Home ▻ Research▻People▻Natural Sciences

Natural Sciences

Dr. Nicholas Devaney

B.Sc, PhD

Contact Details

Senior Lecturer
School of Physics
University of Galway
E: nicholas.devaney@universityofgalway.ie
 
researcher
 

Biography



Ph.D. (NUIG then UCG)1989Royal Greenwich Observatory:Research Associate1989-1991Observatoire de Meudon, Paris: Research Associate1991-1992Instituto de Astrofisica de Canarias: Support Astronomer1993-1995GRANTECAN, Instituto de Astrofisica de Canarias: Adaptive Optics Manager1995-2005University of Galway: Senior Lecturer2005-


My background is in Astronomical Imaging with high spatial resolution, mostly involving Adaptive Optics and Image Processing. I am co-Investigator of the MORFEO project - this will be the wide-field adaptive optics system on the ESO Extremely Large Telescope (ELT). I carry out research into chromatic effects in adaptive optics - these will limit AO performance at large elevation angles, which may be the case when observing the Sun (best conditions at sunrise) or attempting to make an optical link to a Low Earth Orbit satellite. I also research novel wavefront sensing schemes, specifically modal wavefront sensors and diffuser-based sensors. Together with post-doctoral researcher Ali Khorshad I have developed a digital holographic microscope, used to detect and track micro particles launched from MEMS devices - a prototype for quantum experiments in Space. Other recent areas of research include fast optical polarimetry of pulsars, using the GASP instrument on the Gemini 8m telescope in Chile, Development of an Active Optics prototype system for Space Telescopes and investigating the effects of aberrations on the LISA gravitational wave observatory. 

Research Interests

MORFEO Adaptive Optics for the ELT

The European Southern Observatory (ESO) Extremely Large Telescope, currently being constructed in Chile, will be the largest optical telescope in the world. MORFEO will be the instrument responsible for providing wide-field adaptive optics to correct for the effects of atmospheric turbulence. In operation, it will deliver images that are four times sharper than possible with current telescopes.  The University of Galway is a member of the consortium building MORFEO, together with the Italian National Institute for Astrophysics (INAF) and the French National Centre for Scientific Research (CNRS). I am Co-Investigator of MORFEO, responsible together with Dr. Goncharov for the Test Unit, which will simulate natural and laser guide stars as delivered by the ELT, and be used to test and commission MORFEO.

MEMS for Quantum Optics in Space

Future experiments in matter-wave interferometry to investigate the transition from quantum to classical physics will have to be performed in space in order to avoid the effects of gravity. For this it will be necessary to store and release sub-micron sized particles in a controlled way. Together with the Tyndall National Institute we are carrying out a project to experimentally validate an approach using arrays of MEMS devices inside a vacuum chamber. We have developed a high-speed digital holographic microscope and algorithms to detect and track the particles. This project is funded by the European Space Agency.

Chromatic effects in Adaptive Optics

The refractive index of the atmosphere depends on wavelength, and this leads to well-known refractive effects in atmospheric optics. There are subtle effects which can severely limit the performance of adaptive optics, especially at low elevation angles. These include 'chromatic anisoplanatism' due to rays of different colours traversing different parts of the turbulent atmosphere. Solar astronomy and optical satellite communications are frequently required to operate at low elevation angles, and so these effects deserve more attention. Together with Bruno Femenía Castellá (DLR) I have examined the theoretical behaviour of these errors, including a spherical model of the Earth's atmosphere and finite turbulence outer scale to give more accurate predictions than possible before. 

High speed optical polarimetry

The Galway Astronomical high Speed Polarimeter (GASP) allows simultaneous measurement of the four Stokes parameters at high speed (as the name indicates). This prototype instrument has been successfully installed at both the 3.6m telescope on La Silla and the 8m Gemini telescope and used to observe pulsars. The data analysis is challenging, partially due to potential drifts in detector gain, and methods to determine gain from on-sky data have been developed.


Active Optics for Space Telescopes

Future Space Telescopes will be required to provide exquisite image quality, especially for such challenging tasks as the detection of extrasolar planets. The optics of these telescopes may be misaligned during launch, or through thermal effects, and it is essential to have a way to automatically measure and correct these errors. This is the purpose of Active Optics. In this work, we have proposed a 4m Space Telescope ('Hypatia') the image quality of which is constantly maintained by an active optics system. The system consists of a wavefront sensor and a deformable mirror. We are designing the system and building a laboratory prototype to demonstrate the required extreme accuracy and stability of the wavefront correction.


 
Exoplanet Detection

A large number of planets have been detected outside our solar system using indirect techniques (e.g. see here). Imaging of these exoplanets is extremely challenging given how close they are to their parent stars, and how much fainter. The brightness ratio with the parent star is of the order 10^-6 to 10^-9. Obtaining such images will require using large (or extremely large) telescopes, with practically perfect adaptive optics. Even so, residual speckle effects severely hamper our ability to unambiguously detect exoplanets. We have developed optimal techniques based on using knowledge of the data statistics. We have also developed a powerful inverse-problem approach applicable to multi-wavelength data. This exploits the fact that the position of residual speckles scales with wavelength, and this fact may be used to discriminate speckles from planets. We want to extend these approaches to future Extremely Large Telescopes. 
 

Research Projects

  Project Start Date End Date
Active Optics correction chain for large monolithic mirrors - ESA Nicholas Devaney 01-JAN-16 31-DEC-20
ALCON GENERAL CONSULTANCY AGREEMENT N DEVANEY 20-DEC-13 19-DEC-15
IRC POSTGRADUATE L MARIOTTI N DEVANEY 01-OCT-13 30-SEP-20
DEVELOPMENT OF A THERMAL IMAGING SYSTEM FOR CONSUMER AND INDUSTRIAL MARKETS COLM LYNCH N DEVANEY 01-MAY-13 30-APR-16
EI CS 2008 0124 ITN PROPOSAL N DEVANEY 01-AUG-08 31-MAR-09

Peer Reviewed Journals

  Year Publication
(2020) 'Beam propagation simulations for LISA in the presence of telescope aberrations'
F. Kenny, N. Devaney (2020) 'Beam propagation simulations for LISA in the presence of telescope aberrations'. Classical And Quantum Gravity, 38 (3) [Details]
(2024) 'Application of GRIN-lens-based in-line digital holographic microscopy to automatic detection and localization of particles released from a MEMS device'
A.A. Khorshad, N. Devaney, R. Houlihan (2024) 'Application of GRIN-lens-based in-line digital holographic microscopy to automatic detection and localization of particles released from a MEMS device'. Applied Optics, 63 (7):B93-B103 [DOI] [Details]
(2023) 'GRIN-lens-based digital in-line holographic microscopy'
A.A. Khorahad, N. Devaney (2023) 'GRIN-lens-based digital in-line holographic microscopy'. Applied Optics, 62 (10):D131-D137 [DOI] [Details]
(2019) 'Locally adaptive super-resolution through spatially variant interpolation'
Lynch, C,Devaney, N,Dainty, C (2019) 'Locally adaptive super-resolution through spatially variant interpolation'. Applied Optics, 58 :2920-2928 [DOI] [Details]
(2019) 'Locally adaptive super-resolution through spatially variant interpolation'
Lynch, C;Devaney, N;Dainty, C (2019) 'Locally adaptive super-resolution through spatially variant interpolation'. Applied Optics, 58 :2920-2928 [DOI] [Details]
(2018) 'Estimating axial resolution with diffraction theory'
Cognard, TE,Dainty, C,Devaney, N (2018) 'Estimating axial resolution with diffraction theory'. Applied Optics, 57 :138-141 [DOI] [Details]
(2018) 'Development of a prototype active optics system for future space telescopes'
N. Devaney, F. Kenny, A.V. Goncharov, M. Goy, C. Reinlein (2018) 'Development of a prototype active optics system for future space telescopes'. Applied Optics, 57 :101-106 [DOI] [Details]
(2018) 'Registration for images in the presence of additive and multiplicative fixed-pattern noise'
Lynch, C,Devaney, N (2018) 'Registration for images in the presence of additive and multiplicative fixed-pattern noise'. Applied Optics, 57 :1824-1831 [DOI] [Details]
(2017) 'Analysis of Cone Mosaic Reflectance Properties in Healthy Eyes and in Eyes With Nonproliferative Diabetic Retinopathy Over Time'
Mariotti, L,Devaney, N,Lombardo, G,Lombardo, M (2017) 'Analysis of Cone Mosaic Reflectance Properties in Healthy Eyes and in Eyes With Nonproliferative Diabetic Retinopathy Over Time'. Investigative Ophthalmology & Visual Science, 58 :4057-4067 [DOI] [Details]
(2017) 'Reliability and Agreement Between Metrics of Cone Spacing in Adaptive Optics Images of the Human Retinal Photoreceptor Mosaic'
Giannini, D,Lombardo, G,Mariotti, L,Devaney, N,Serrao, S,Lombardo, M (2017) 'Reliability and Agreement Between Metrics of Cone Spacing in Adaptive Optics Images of the Human Retinal Photoreceptor Mosaic'. Investigative Ophthalmology & Visual Science, 58 :3127-3137 [DOI] [Details]
(2017) 'PEX 1. Multispectral expansion of residual speckles for planet detection'
Devaney, N,Thiebaut, E (2017) 'PEX 1. Multispectral expansion of residual speckles for planet detection'. Monthly Notices Of The Royal Astronomical Society, 472 :3734-3748 [DOI] [Details]
(2017) 'Phytochrome A and B Regulate Primary Metabolism in Arabidopsis Leaves in Response to Light'
Han, XZ,Tohge, T,Lalor, P,Dockery, P,Devaney, N,Esteves-Ferreira, AA,Fernie, AR,Sulpice, R (2017) 'Phytochrome A and B Regulate Primary Metabolism in Arabidopsis Leaves in Response to Light'. Frontiers in Plant Science, 8 [DOI] [Details]
(2017) 'Phytochrome A and B Regulate Primary Metabolism in Arabidopsis Leaves in Response to Light'
Han, X.,Tohge, T.,Lalor, P.,Dockery, P.,Devaney, N.,Esteves-Ferreira, A. A.,Fernie, A. R.,Sulpice, R. (2017) 'Phytochrome A and B Regulate Primary Metabolism in Arabidopsis Leaves in Response to Light'. Front Plant Sci, 8 [Details]
(2016) 'Understanding the changes of cone reflectance in adaptive optics flood illumination retinal images over three years'
Mariotti, L,Devaney, N,Lombardo, G,Lombardo, M (2016) 'Understanding the changes of cone reflectance in adaptive optics flood illumination retinal images over three years'. Biomedical Optics Express, 7 :2807-2822 [DOI] [ARAN Link] [Details]
(2015) 'Performance analysis of cone detection algorithms'
L. Mariotti and N. Devaney (2015) 'Performance analysis of cone detection algorithms'. Journal Of The Optical Society Of America A-Optics Image Sci, 32 [ARAN Link] [Details]
(2014) 'Registration of adaptive optics corrected retinal nerve fiber layer (RNFL) images'
Ramaswamy, G,Lombardo, M,Devaney, N (2014) 'Registration of adaptive optics corrected retinal nerve fiber layer (RNFL) images'. Biomedical Optics Express, 5 :1941-1951 [DOI] [Details]
(2013) 'Pre-processing, registration and selection of adaptive optics corrected retinal images'
Ramaswamy, G,Devaney, N (2013) 'Pre-processing, registration and selection of adaptive optics corrected retinal images'. Ophthalmic And Physiological Optics, 33 :527-539 [DOI] [Details]
(2013) 'Pre-processing, registration and selection of adaptive optics corrected retinal images'
Ramaswamy, G;Devaney, N (2013) 'Pre-processing, registration and selection of adaptive optics corrected retinal images'. Ophthalmic And Physiological Optics, 33 :527-539 [DOI] [Details]
(2013) 'Adaptive optics technology for high-resolution retinal imaging'
M. Lombardo, S. Serrao, N.Devaney, M. Parravano, G. Lombardo (2013) 'Adaptive optics technology for high-resolution retinal imaging'. Sensors, [Details]
(2010) 'Enhanced faint companion photometry and astrometry using wavelength diversity'
Burke, D;Devaney, N (2010) 'Enhanced faint companion photometry and astrometry using wavelength diversity'. Journal Of The Optical Society Of America A-Optics Image Science And Vision, 27 :246-252 [Details]
(2010) 'Experimental detection of optical vortices with a Shack-Hartmann wavefront sensor'
Murphy, K;Burke, D;Devaney, N;Dainty, C (2010) 'Experimental detection of optical vortices with a Shack-Hartmann wavefront sensor'. Optics Express, 18 :15448-15460 [DOI] [Details]
(2010) 'Experimental detection of optical vortices with a Shack-Hartmann wavefront sensor'
Murphy, K,Burke, D,Devaney, N,Dainty, C (2010) 'Experimental detection of optical vortices with a Shack-Hartmann wavefront sensor'. Optics Express, 18 :15448-15460 [Details]
(2010) 'Enhanced faint companion photometry and astrometry using wavelength diversity'
Burke, D,Devaney, N (2010) 'Enhanced faint companion photometry and astrometry using wavelength diversity'. Journal Of The Optical Society Of America A-Optics Image Science And Vision, 27 :246-252 [Details]
(2009) 'An Improved Technique for the Photometry and Astrometry of Faint Companions'
Burke, D;Gladysz, S;Roberts, L;Devaney, N;Dainty, C (2009) 'An Improved Technique for the Photometry and Astrometry of Faint Companions'. Publications Of The Astronomical Society Of The Pacific, 121 :767-777 [Details]
(2009) 'An Improved Technique for the Photometry and Astrometry of Faint Companions'
Burke, D,Gladysz, S,Roberts, L,Devaney, N,Dainty, C (2009) 'An Improved Technique for the Photometry and Astrometry of Faint Companions'. Publ Astron Soc Pac, 121 :767-777 [Details]
(2008) 'Chromatic effects of the atmosphere on astronomical adaptive optics'
Devaney, N,Goncharov, AV,Dainty, JC (2008) 'Chromatic effects of the atmosphere on astronomical adaptive optics'. Applied Optics, 47 :1072-1081 [Details]
(2008) 'Correction of ocular and atmospheric wavefronts: a comparison of the performance of various deformable mirrors'
Devaney, N,Dalimier, E,Farrell, T,Coburn, D,Mackey, R,Mackey, D,Laurent, F,Daly, E,Dainty, C (2008) 'Correction of ocular and atmospheric wavefronts: a comparison of the performance of various deformable mirrors'. Applied Optics, 47 :6550-6562 [Details]
(2008) 'Chromatic effects of the atmosphere on astronomical adaptive optics'
Devaney, N;Goncharov, AV;Dainty, JC (2008) 'Chromatic effects of the atmosphere on astronomical adaptive optics'. Applied Optics, 47 :1072-1081 [Details]
(2008) 'Correction of ocular and atmospheric wavefronts: a comparison of the performance of various deformable mirrors'
Devaney, N;Dalimier, E;Farrell, T;Coburn, D;Mackey, R;Mackey, D;Laurent, F;Daly, E;Dainty, C (2008) 'Correction of ocular and atmospheric wavefronts: a comparison of the performance of various deformable mirrors'. Applied Optics, 47 :6550-6562 [Details]
(2007) 'Application of the Hotelling and ideal observers to detection and localization of exoplanets'
Caucci, L,Barrett, HH,Devaney, N,Rodriguez, JJ (2007) 'Application of the Hotelling and ideal observers to detection and localization of exoplanets'. Journal Of The Optical Society Of America A-Optics Image Science And Vision, 24 :13-24 [Details]
(2007) 'Atmospheric dispersion compensation for extremely large telescopes'
Goncharov, AV;Devaney, N;Dainty, C (2007) 'Atmospheric dispersion compensation for extremely large telescopes'. Optics Express, 15 :1534-1542 [Details]
(2007) 'Application of the Hotelling and ideal observers to detection and localization of exoplanets'
Caucci, L;Barrett, HH;Devaney, N;Rodriguez, JJ (2007) 'Application of the Hotelling and ideal observers to detection and localization of exoplanets'. Journal Of The Optical Society Of America A-Optics Image Science And Vision, 24 :13-24 [Details]
(2007) 'Atmospheric dispersion compensation for extremely large telescopes'
Goncharov, AV,Devaney, N,Dainty, C (2007) 'Atmospheric dispersion compensation for extremely large telescopes'. Optics Express, 15 :1534-1542 [Details]
(2006) 'Objective assessment of image quality. IV. Application to adaptive optics'
Barrett, HH,Myers, KJ,Devaney, N,Dainty, C (2006) 'Objective assessment of image quality. IV. Application to adaptive optics'. Journal Of The Optical Society Of America A-Optics Image Science And Vision, 23 :3080-3105 [Details]
(2006) 'Objective assessment of image quality. IV. Application to adaptive optics'
Barrett, HH;Myers, KJ;Devaney, N;Dainty, C (2006) 'Objective assessment of image quality. IV. Application to adaptive optics'. Journal Of The Optical Society Of America A-Optics Image Science And Vision, 23 :3080-3105 [Details]
(2006) 'Reduction of the diffraction pattern in segmented apertures'
Canales, VF;Oti, JE;Valle, PJ;Cagigal, MP;Devaney, N (2006) 'Reduction of the diffraction pattern in segmented apertures'. Optical Engineering, 45 [DOI] [Details]
(2006) 'Phasing segmented mirrors using defocused images at visible wavelengths'
Schumacher, A;Devaney, N (2006) 'Phasing segmented mirrors using defocused images at visible wavelengths'. Monthly Notices Of The Royal Astronomical Society, 366 :537-546 [DOI] [Details]
(2006) 'Reduction of the diffraction pattern in segmented apertures'
Canales, VF,Oti, JE,Valle, PJ,Cagigal, MP,Devaney, N (2006) 'Reduction of the diffraction pattern in segmented apertures'. Optical Engineering, 45 [DOI] [Details]
(2006) 'Phasing segmented mirrors using defocused images at visible wavelengths'
Schumacher, A,Devaney, N (2006) 'Phasing segmented mirrors using defocused images at visible wavelengths'. Monthly Notices Of The Royal Astronomical Society, 366 :537-546 [DOI] [Details]
(2003) 'Optimization with numerical simulations of the conjugate altitudes of deformable mirrors in an MCAO system'
Femenia, B., Devaney, N. (2003) 'Optimization with numerical simulations of the conjugate altitudes of deformable mirrors in an MCAO system'. Astron Astrophys, (404):1165-1176 [Details]
(2002) 'Phasing Segmented mirrors: a modification of the Keck narrow band technique and its application to ELTs'
Schumacher, A., Devaney, N., Montoya, L. (2002) 'Phasing Segmented mirrors: a modification of the Keck narrow band technique and its application to ELTs'. Applied Optics, 41 :1297-1307 [Details]
(2000) 'The effect of Piston Errors on the Image Quality of Segmented mirror telescopes'
Bello, C.D., Devaney, N., Castro, J. (2000) 'The effect of Piston Errors on the Image Quality of Segmented mirror telescopes'. ReV Mex Astron Astrophys, 36 :57-66 [Details]
(1995) 'The Ha envoronment of T Tauri resolved by speckle interferometry'
Devaney, M.N., Thiébaut, E., Foy, R., Blazit, A., Bonneau, D., Bouvier, J., De Batz, B., Thom, Ch. (1995) 'The Ha envoronment of T Tauri resolved by speckle interferometry'. Astron Astrophys, 300 (181) [Details]
(1995) 'A large optical and infrared outburst in OJ 287'
Kidger, M. R., Gonzalez-Perez, J. N., de Diego, J. A., Zapatero-Osorio, M. R., Hammersley, P. L., Cepa, J., Devaney, N., Sahu, K., Vidal, I. (1995) 'A large optical and infrared outburst in OJ 287'. Astron Astrophys Suppl, (113) [Details]
(1995) 'Autocorrelation hole in nonlinear image detectors: an estimate using an auxiliary photomultiplier'
Cagigal, M.P., Prieto, P.M., Rodríguez, A., Fuensalida, J.J., Devaney, M.N. (1995) 'Autocorrelation hole in nonlinear image detectors: an estimate using an auxiliary photomultiplier'. Opt Lett, 20 (2448) [Details]
(1992) 'Binary star studies with small telescopes: photometry of close visual systems'
Dick, J.S.B., Devaney, M.N., Argyle, R.W., Jones, D.H.P. (1992) 'Binary star studies with small telescopes: photometry of close visual systems'. Meas Sci Technol, 3 (184) [Details]
(1992) 'Photometric techniques for close binary and multiple systems'
Devaney, M.N. (1992) 'Photometric techniques for close binary and multiple systems'. Astron Astrophys, 257 (835) [Details]
(1991) 'High-resolution imaging of Virgo cluster galaxies. I - Observational techniques and first results'
Tanvir, N. R., Shanks, T., Major, J. V., Doel, A. P., Dunlop, C. N., Myers, R. M., Redfern, R. M., O'Kane, P., Devaney, M. N. (1991) 'High-resolution imaging of Virgo cluster galaxies. I - Observational techniques and first results'. MNRAS, 253 :21-24 [Details]
(1989) 'IMAGE SHARPENING OF TIME-TAGGED COUNTS FROM A PHOTON-COUNTING DETECTOR - APPLICATION OF A MODIFIED WIENER FILTER'
REDFERN, RM,DEVANEY, MN,OKANE, P,RAMIREZ, EB,RENASCO, RG,ROSA, F (1989) 'IMAGE SHARPENING OF TIME-TAGGED COUNTS FROM A PHOTON-COUNTING DETECTOR - APPLICATION OF A MODIFIED WIENER FILTER'. Monthly Notices Of The Royal Astronomical Society, 238 :791-806 [Details]
(1989) 'IMAGE SHARPENING OF TIME-TAGGED COUNTS FROM A PHOTON-COUNTING DETECTOR - APPLICATION OF A MODIFIED WIENER FILTER'
REDFERN, RM;DEVANEY, MN;OKANE, P;RAMIREZ, EB;RENASCO, RG;ROSA, F (1989) 'IMAGE SHARPENING OF TIME-TAGGED COUNTS FROM A PHOTON-COUNTING DETECTOR - APPLICATION OF A MODIFIED WIENER FILTER'. Monthly Notices Of The Royal Astronomical Society, 238 :791-806 [Details]

Books

  Year Publication
(2022) The search for living worlds and the connection to our cosmic originsThe search for living worlds and the connection to our cosmic origins.
M.A Barstow, S Aigrain, JK Barstow, M Barthelemy, B Biller, A Bonanos, L Buchhave, SL Casewell, Corinne Charbonnel, Stephane Charlot, R Davies, N Devaney, C Evans, Marc Ferrari, L Fossati, B Gänsicke, M Garcia, AI Gomez de Castro, T Henning, C Lintott, C Knigge, Coralie Neiner, Loïc Rossi, C Snodgrass, D Stam, E Tolstoy, M Tosi (2022) The search for living worlds and the connection to our cosmic originsThe search for living worlds and the connection to our cosmic origins. Netherlands: Springer. [Details]

Book Chapters

  Year Publication
(2024) 'Active Optics for Space Telescopes'
N. Devaney (2024) 'Active Optics for Space Telescopes' In: Handbook of Adaptive Optics. Boca Raton Florida: CRC Press. [Details]
(2002) 'Adaptive Optics: Principles, Performance and Challenges'
Devaney,N. (2002) 'Adaptive Optics: Principles, Performance and Challenges' In: Proceedings of the NATO Advanced Study Institute on Optics in Astrophysics. Cargese, France: [Details]

Conference Publications

  Year Publication
(2020) Adaptive Optics Systems VII
D. Malone, A. Goncharov, N. Devaney, L. Busoni, P. Ciliegi (2020) Design of a performance verification unit for the MAORY system Adaptive Optics Systems VII [Details]
(2022) Adaptive Optics Systems VIII
B. Femenía-Castellá, N. Devaney, M. Nuñez-Cagigal, S. Bonaque-González (2022) Chromaticity in solar adaptive optics: a case study for the European Solar Telescope Adaptive Optics Systems VIII [Details]
(2023) Adaptive Optics for Extremely Large Telescopes 7th Edition
D. Malone, N. Devaney (2023) Accuracy and Computational Efficiency of Various Methods for Atmospheric Turbulence Structure Function Computation Adaptive Optics for Extremely Large Telescopes 7th Edition [Details]
(2023) Adaptive Optics for Extremely Large Telescopes 7th Edition
E. O'Rourke, D. Malone, N. Devaney (2023) Comparison of transmissive and reflective SLMs for the emulation of discontinuous wavefronts Adaptive Optics for Extremely Large Telescopes 7th Edition [Details]
(2024) Adaptive Optics Systems IX
N. Devaney, B. Femenía-Castellá (2024) Chromatic anisoplanatism in Adaptive Optics Adaptive Optics Systems IX [Details]
(2024) X-Ray, Optical, and Infrared Detectors for Astronomy XI
N. Devaney, D. McErlean, A. Shearer, C. Colleary (2024) EMCCD Gain estimation: a comparison of techniques X-Ray, Optical, and Infrared Detectors for Astronomy XI [Details]
(2018) 2018 IEEE GAMES, ENTERTAINMENT, MEDIA CONFERENCE (GEM)
Cognard, TE;Goncharov, A;Devaney, N;Dainty, C;Corcoran, P (2018) A Review of Resolution Losses for AR/VR Foveated Imaging Applications 2018 IEEE GAMES, ENTERTAINMENT, MEDIA CONFERENCE (GEM) , pp.228-231 [ARAN Link] [Details]
(2018) A Review of Resolution Losses for AR/VR Foveated Imaging Applications
Cognard, TE,Goncharov, A,Devaney, N,Dainty, C,Corcoran, P, (2018) 2018 IEEE GAMES, ENTERTAINMENT, MEDIA CONFERENCE (GEM) A Review of Resolution Losses for AR/VR Foveated Imaging Applications , pp.228-231 [Details]
(2016) ADAPTIVE OPTICS SYSTEMS V
Hanley, K;Devaney, N;Thiebaut, E (2016) Detection of faint companions in multi-spectral data using a maximum likelihood approach ADAPTIVE OPTICS SYSTEMS V [Details]
(2016) Proc. SPIE 9909
Thiebaut, E,Denis, L,Mugnier, LM,Ferrari, A,Mary, D,Langlois, M,Cantalloube, F,Devaney, N,Marchetti, E,Close, LM,Veran, JP (2016) Fast and robust exo-planet detection in multi-spectral and multi-temporal data Proc. SPIE 9909 [DOI] [Details]
(2016) Proc. SPIE 9909
Thiebaut, E,Devaney, N,Langlois, M,Hanley, K,Marchetti, E,Close, LM,Veran, JP (2016) Exploiting Physical Constraints for Multi-spectral Exo-planet Detection Proc. SPIE 9909 [DOI] [Details]
(2016) Proc. SPIE 9909
Hanley, K,Devaney, N,Thiebaut, E,Marchetti, E,Close, LM,Veran, JP (2016) Detection of faint companions in multi-spectral data using a maximum likelihood approach Proc. SPIE 9909 [Details]
(2016) Proc. SPIE 9904
Devaney, N,Reinlein, C,Lange, N,Goy, M,Goncharov, A,Hallibert, P,MacEwen, HA,Fazio, GG,Lystrup, M (2016) HYPATIA and STOIC: an active optics system for a large space telescope Proc. SPIE 9904 [DOI] [Details]
(2015) COMPUTER VISION - ACCV 2014 WORKSHOPS, PT II
Xu, S,Zhou, ZL,Devaney, N,Jawahar, CV,Shan, S (2015) Multi-view Image Restoration from Plenoptic Raw Images COMPUTER VISION - ACCV 2014 WORKSHOPS, PT II , pp.3-15 [DOI] [Details]
(2015) Asian Conference on Computer Vision 2014
Xu. S., Zhi-Liang, Z., Devaney, N. (2015) Multi-view Image Restoration From Plenoptic Raw Images Asian Conference on Computer Vision 2014 Singapore, , 01-NOV-14 - 05-NOV-14 [Details]
(2015) IRISH MACHINE VISION & IMAGE PROCESSING
C Lynch, N Devaney, A Drimbarean (2015) Resolution enhancement of thermal imaging . In: Rozenn Dahyot, Gerard Lacey, Kenneth Dawson-Howe, François Pitié, David Moloney eds. IRISH MACHINE VISION & IMAGE PROCESSING , pp.110-113 [Details]
(2015) THERMOSENSE: THERMAL INFRARED APPLICATIONS XXXVII
Lynch, CN,Devaney, N,Drimbarean, A,Hsieh, SJ,Zalameda, JN (2015) Computational methods for improving thermal imaging for consumer devices THERMOSENSE: THERMAL INFRARED APPLICATIONS XXXVII [DOI] [Details]
(2015) IRISH MACHINE VISION & IMAGE PROCESSING
L. Mariotti & N.Devaney (2015) Cone detection and blood vessel segmentation on AO retinal images . In: ozenn Dahyot, Gerard Lacey, Kenneth Dawson-Howe, François Pitié, David Moloney (Editors) eds. IRISH MACHINE VISION & IMAGE PROCESSING , pp.126-128 [Details]
(2015) Thermosense: Thermal Infrared Applications XXXVII
C Lynch, N. Devaney, A. Drimbarean (2015) Computational methods for improving thermal imaging of consumer devices . In: Sheng-Jen (Tony) Hsieh; Joseph N. Zalameda eds. Thermosense: Thermal Infrared Applications XXXVII , pp.94850P-94850P-6 [Details]
(2014) Irish Machine Vision and Image Processing
Xu, S. and Devaney, N. (2014) Vignetting Modeling and Correction for a Microlens-based Light Field Camera . In: S. Coleman, B. Gardiner and D. Kerr eds. Irish Machine Vision and Image Processing Derry, , 27-AUG-14 - 29-AUG-14 [Details]
(2012) Review of small-angle coronagraphic techniques in the wake of ground-based second-generation adaptive optics systems
Mawet, D,Pueyo, L,Lawson, P,Mugnier, L,Traub, W,Boccaletti, A,Trauger, J,Gladysz, S,Serabyn, E,Milli, J,Belikov, R,Kasper, M,Baudoz, P,Macintosh, B,Marois, C,Oppenheimer, B,Barrett, H,Beuzit, JL,Devaney, N,Girard, J,Guyon, O,Krist, J,Mennesson, B,Mouillet, D,Murakami, N,Poyneer, L,Savransky, D,Verinaud, C,Wallace, JK,Clampin, MC,Fazio, GG,MacEwen, HA,Oschmann, JM (2012) SPACE TELESCOPES AND INSTRUMENTATION 2012: OPTICAL, INFRARED, AND MILLIMETER WAVE Review of small-angle coronagraphic techniques in the wake of ground-based second-generation adaptive optics systems [DOI] [Details]
(2012) On Advanced Estimation Techniques for Exoplanet Detection and Characterization Using Ground-based Coronagraphs
Lawson, PR,Poyneer, L,Barrett, H,Frazin, R,Caucci, L,Devaney, N,Furenlid, L,Gladysz, S,Guyon, O,Krist, J,Maire, J,Marois, C,Mawet, D,Mouillet, D,Mugnier, L,Pearson, I,Perrin, M,Pueyo, L,Savransky, D,Ellerbroek, BL,Marchetti, E,Veran, JP (2012) ADAPTIVE OPTICS SYSTEMS III On Advanced Estimation Techniques for Exoplanet Detection and Characterization Using Ground-based Coronagraphs [DOI] [Details]
(2012) Proc. SPIE 8477
P.R. Lawson, R. Frazin, H.H. Barrett, L. Caucci, N. Devaney (2012) On advanced estimation techniques for exoplanet detection and characterization using ground-based coronagraphs Proc. SPIE 8477 [Details]
(2012) OSA Technical Digest, FTu3A.37
J. Gallagher, N. Devaney (2012) Wavefront sensing and deconvolution of widefield images of biological samples for microscopy OSA Technical Digest, FTu3A.37 [Details]
(2011) OSA Technical Digest, APDP1
Devaney, N and Thiebaut, E. (2011) Inverse problem approach to the detection of exoplanets in multiwavelength data OSA Technical Digest, APDP1 [Details]
(2010) Proc. SPIE, 7734
5. Ridgway, S., ten Brummelaar, T., Sturmann, J., Sturmann, L., Turner, N., McAlister, H., Monnier, J., Ireland, M., Tuthill, P., Coburn, D., Dainty, C., Devaney, N., Goncharov, A., Mozurkewich, D. (2010) Adaptive optics for the CHARA array II Proc. SPIE, 7734 [Details]
(2010) Proc. SPIE 7736
Burke, D,Devaney, N,Christou, J,Hartung, M,Ellerbroek, BL,Hart, M,Hubin, N,Wizinowich, PL (2010) Application of wavelength diversity for astronomical adaptive optics imaging Proc. SPIE 7736 [DOI] [Details]
(2009) SPIE MEMS Adaptive Optics II
N. Devaney, D. Coburn, C. Coleman, J.C. Dainty, E. Dalimier, T. Farrell, D. Lara, D. Mackey, R. Mackey (2009) Characterisation of MEMs mirrors for use in atmospheric and ocular wavefront correction SPIE MEMS Adaptive Optics II [Details]
(2009) SPIE Optical Measurement Systems for Industrial Inspection VI
A.V. Goncharov, L. Lobato Bailon, N. Devaney, J.C. Dainty (2009) Optical testing of lens systems with concentric design SPIE Optical Measurement Systems for Industrial Inspection VI [Details]
(2009) 1ST AO4ELT CONFERENCE - ADAPTIVE OPTICS FOR EXTREMELY LARGE TELESCOPES
Burke, D,Devaney, N,Gladysz, S,Clenet, Y,Conan, JM,Fusco, T,Rousset, G (2009) Determination of astrometry and photometry of faint companions in the presence of residual speckle noise 1ST AO4ELT CONFERENCE - ADAPTIVE OPTICS FOR EXTREMELY LARGE TELESCOPES [DOI] [Details]
(2008) Proc. SPIE 7015
Burke, D., Devaney, N., Gladysz, S. (2008) Optimal linear estimation of binary star parameters Proc. SPIE 7015 [Details]
(2008) Characterisation of MEMs mirrors for use in atmospheric and ocular wavefront correction - art. no. 688802
Devaney, N,Coburn, D,Coleman, C,Dainty, JC,Dalimier, E,Farrell, T,Lara, D,Mackey, D,Mackey, R,Olivier, SS,Bifano, TG,Kubby, JA (2008) MEMS ADAPTIVE OPTICS II Characterisation of MEMs mirrors for use in atmospheric and ocular wavefront correction - art. no. 688802 , pp.88802-88802 [Details]
(2008) MEMS ADAPTIVE OPTICS II
Devaney, N;Coburn, D;Coleman, C;Dainty, JC;Dalimier, E;Farrell, T;Lara, D;Mackey, D;Mackey, R (2008) Characterisation of MEMs mirrors for use in atmospheric and ocular wavefront correction - art. no. 688802 MEMS ADAPTIVE OPTICS II , pp.88802-88802 [Details]
(2008) Proc. SPIE 7015
Burke, D,Devaney, N,Gladysz, S,Barrett, HH,Whitaker, MK,Caucci, L,Hubin, N,Max, CE,Wizinowich, PL (2008) Optimal Linear Estimation of Binary Star Parameters Proc. SPIE 7015 [DOI] [Details]
(2008) Proc. SPIE 7015
Goncharov,A.V., Devaney, N., Farrell,T. (2008) Alternative schemes for multi-reference wavefront sensing Proc. SPIE 7015 [Details]
(2007) SPIE Adaptive Optics for Laser Systems and Other Applications
Devaney, N. (2007) Review of Astronomical Adaptive Optics and plans SPIE Adaptive Optics for Laser Systems and Other Applications [Details]
(2007) Review of astronomical adaptive optics systems and plans
Devaney, N,Cheriaux, G,Hooker, CJ,Stupka, M (2007) ADAPTIVE OPTICS FOR LASER SYSTEMS AND OTHER APPLICATIONS Review of astronomical adaptive optics systems and plans [DOI] [Details]
(2007) Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging OSA paper AWD5
Myers,R.M.,Calia,D.B., Devaney, N.,Esposito,S.,Goodsell, S.J.,Goncharov,A.V.,Guerra,J.C., Guillet de Chatellus, H.,Harrison, M.A.,Holzloehner,R.,Marchetti, E.,Morris, T.J., Pinna,E.,Pique, J.,Rabien,S.,Reyes,M.,Ribak,E.,Rutten,R.G., Schnetler,H.,Strachan, M.,Stuik,R., Talbot,R.G. (2007) The European E-ELT WHT LGS Test Facility Consortium Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging OSA paper AWD5 [DOI] [Details]
(2007) Astronomical Adaptive Optics Systems and Applications III
Myers,R.M.,Bonaccini Calia,D.,Devaney, N.,Esposito,S.,Goodsell,S.J.,Goncharov, A., Guerra,J.C.,Guillet de Chatellus,H.,Harrison, M.A., Holzloehner,R.,Marchetti, E.,Morris,T.J.,Pinna,E., Pique,J.P.,Rabien,S.,Reyes,M.,Ribak, E., Rutten,R.G.M.,Schnetler,H.,Strachan, M., Stuik,R.,Talbot,R.G.,Tulloch,S.M. (2007) The European LGS test facility Astronomical Adaptive Optics Systems and Applications III [Details]
(2006) Proc. SPIE 6272
Goncharov, A,Devaney, N,Dainty, C,Esposito, S,Stepp, LM (2006) Experimental verification of the virtual wavefront sensor concept Proc. SPIE 6272 , pp.2672-2672 [DOI] [Details]
(2006) Task performance in astronomical adaptive optics
Barrett, HH,Myers, KJ,Devaney, N,Dainty, JC,Caucci, L,Ellerbroek, BL,Calia, DB (2006) ADVANCES IN ADAPTIVE OPTICS II, PRS 1-3 Task performance in astronomical adaptive optics , pp.635-646 [DOI] [Details]
(2006) Proc. SPIE 6267
Cuevas,S.,Sanchez,B., Bringas,V.,Espejo, C.,Flores,R.,Capa,O.,Lara,G.,Chavoya,A.,Anguiano,G.,Arciniega,S.,Dorantes,A.,Gonzalez, J.L., Montoya,M.,Toral,R., Hernez,H., Nava,R.,Devaney,N.,Castro,J.,Cavaller,L.,Farah,A., Godoy,J., Cobos,F.J., Tejada,C., Garfias,F. (2006) Site acceptance of the commissioning instrument for the Gran Telescopio Canarias Proc. SPIE 6267 [Details]
(2006) SPIE Advances in Adaptive Optics II
Barrett, H., Myers, K.J., Devaney, N., Dainty, C. (2006) Task performance in astronomical adaptive optics SPIE Advances in Adaptive Optics II [Details]
(2006) SPIE, Ground-based and Airborne Telescopes, Pts 1 and 2, SPIE
A. Goncharov, N. Devaney, C. Dainty.,S. Esposito (2006) Experimental verification of the virtual wavefront sensor concept SPIE, Ground-based and Airborne Telescopes, Pts 1 and 2, SPIE , pp.M2672-M2672 [DOI] [Details]
(2004) SPIE Advancements in Adaptive Optics
Devaney, N.; Bello, D.; Femenia, B.; Castro, J.; Villegas Lopez, A.; Reyes, M.; Fuensalida, J. (2004) Preliminary design and plans for the GTC adaptive optics system SPIE Advancements in Adaptive Optics [Details]
(2004) Second Backaskog Workshop on Extremely Large Telescopes
Devaney, N., Schumacher, A (2004) Cophasing techniques for extremely large telescopes Second Backaskog Workshop on Extremely Large Telescopes [Details]
(2001) Beyond conventional Adaptive Optics
Esposito, S., Devaney, N. (2001) Segmented mirror co-phasing using a Pyramid Sensor Beyond conventional Adaptive Optics Venice, [Details]
(2001) Beyond conventional Adaptive Optics
Schumacher, A., Montoya, L., Devaney, N., Dohlen, K., Dierickx, P. (2001) Phasing ELTs for Adaptive Optics-Preliminary results of a comparison of techniques Beyond conventional Adaptive Optics Venice, [Details]
(2000) Proc. SPIE, 4003
Castro, F.J., Devaney, N., Jochum, L., Ronquillo, B., Cavaller, L., (2000) The status of the design and fabrication of the GTC mirrors Proc. SPIE, 4003 , pp.24-33 [Details]
(2000) Proc. SPIE, 4003
Devaney, N., Cavaller,L., Jochum, L., Bello, C.D., Castro, J. (2000) Guacamole: the GTC Guiding, Acquisition and Calibration Module Proc. SPIE, 4003 , pp.146-153 [Details]
(1998) Proc. SPIE, 3351
Jochum, L.J., Castro, J., Devaney, M.N. (1998) Gran Telescopio Canarias: current status of its optical design and opto-mechanical support system Proc. SPIE, 3351 [Details]
(1998) Proc. SPIE, 3352
Castro, J., Bello, C., Jochum, L., Devaney, N. (1998) Image quality and active optics for the Gran Telescopio Canarias Proc. SPIE, 3352 [Details]
(1998) Proc. SPIE 3352
Devaney, M.N., Bello, C.D., Keen, J. (1998) Adaptive Optics for the Gran Telescopio Canarias Proc. SPIE 3352 , pp.561-567 [Details]
(1998) New Astronomy Reviews
Devaney, M.N., Keen, J. (1998) The use of turbulence profile measurements to predict the performance of Adaptive Optics Systems New Astronomy Reviews , pp.459-463 [Details]
(1997) Proc ESO workshop on ?Laser Guide Star Adaptive Optics?, Garching
Devaney, M.N. (1997) Adaptive Optics & Laser Guide Star performance estimates for the Gran Telescopio Canarias Proc ESO workshop on ?Laser Guide Star Adaptive Optics?, Garching [Details]
(1996) Proc. SPIE, 2871
Devaney, M.N. (1996) Adaptive Optics plans for the Gran Telescopio Canarias Proc. SPIE, 2871 [Details]
(1996) Proc. SPIE, 2871
Escudero-Sanz, I., Manescau, A., Devaney, M.N., (1996) Optical configurations of the Gran Telescopio Canarias Proc. SPIE, 2871 [Details]
(1994) IAU Circular 5936
Kidger, M., Devaney, N., Sahu, K., Lopez, S. (1994) Nova Cassiopeiae 1993 IAU Circular 5936 [Details]
(1993) Proc ESO conference on High Resolution Imaging by Interferometry II
Devaney, M.N. (1993) Speckle Interferometric Observations of Binary Stars from La Palma Proc ESO conference on High Resolution Imaging by Interferometry II [Details]
(1993) IAU Symp. 155
Clegg, R.E.S.C., Devaney, M.N. (1993) Images & Kinematics of the ''born-again' planetary, Abell 78 IAU Symp. 155 [Details]

Edited Books

  Year Publication
(2016) Irish Machine Vision and Image Processing Conference Proceedings 2016.
Nicholas Devaney (Ed.). (2016) Irish Machine Vision and Image Processing Conference Proceedings 2016. Ireland: Irish Pattern Recognition and Classification Society. [ARAN Link] [Details]

Conference Paper

  Year Publication
(2008) “Characterisation of MEMS mirrors for use in atmospheric and ocular wavefront correction”. Conference on MEMS Adaptive Optics II, SPIE 88802.
Devaney,N. et al (2008) “Characterisation of MEMS mirrors for use in atmospheric and ocular wavefront correction”. Conference on MEMS Adaptive Optics II, SPIE 88802. San Jose, CA: Conference Paper [Details]
(2008) “Alternative schemes for multi-reference wavefront sensing”. Adaptive Optics Systems.
Goncharov,A.V.,Devaney, N.M.,Farrell,T.,Dainty,J.C. (2008) “Alternative schemes for multi-reference wavefront sensing”. Adaptive Optics Systems. Marseille: Conference Paper [Details]
(2006) Experimental verification of the virtual wavefront sensor concept. Ground-based and Airborne telescopes, Orlando, Florida.
Goncharov, A.V.,Devaney, N., Dainty,J.C.,Esposito,S. (2006) Experimental verification of the virtual wavefront sensor concept. Ground-based and Airborne telescopes, Orlando, Florida. Conference Paper [Details]
(2006) Task performance in astronomical adaptive optics. Advances in Adaptive Optics II, Orlando Florida.
Barrett,H.H.,Myers,K.J.,Devaney,N.,Dainty,J.C. (2006) Task performance in astronomical adaptive optics. Advances in Adaptive Optics II, Orlando Florida. Conference Paper [Details]
(2006) Task performance in Astronomical Adaptive Optics. Advances in Adaptive Optics ii Ellerbroek, Bonaccini Calia Orlando.
Barrett, M., Devaney, D., (2006) Task performance in Astronomical Adaptive Optics. Advances in Adaptive Optics ii Ellerbroek, Bonaccini Calia Orlando. Conference Paper [Details]
(2006) Experimental verification of the virtual wavefront sensor concept. Ground-based and Airborne Telescopes LM Stepp.
Goncharov., Devaney., Dainty., Esposito. (2006) Experimental verification of the virtual wavefront sensor concept. Ground-based and Airborne Telescopes LM Stepp. Orlando: Conference Paper [Details]

Invited papers

  Year Publication
(2007) Review of Astronomical Adaptive Optics. Adaptive Optics for Laser systems and other Applications Prague.
Devaney,N. (2007) Review of Astronomical Adaptive Optics. Adaptive Optics for Laser systems and other Applications Prague. Invited papers [Details]

Note

  Year Publication
(1991) HIGH-RESOLUTION IMAGING OF VIRGO CLUSTER GALAXIES .1. OBSERVATIONAL TECHNIQUES AND 1ST RESULTS.
TANVIR, NR;SHANKS, T;MAJOR, JV;DOEL, AP;DUNLOP, CN;MYERS, RM;REDFERN, RM;OKANE, P;DEVANEY, MN (1991) HIGH-RESOLUTION IMAGING OF VIRGO CLUSTER GALAXIES .1. OBSERVATIONAL TECHNIQUES AND 1ST RESULTS. MALDEN: WILEY-BLACKWELL Note [Details]
(1991) HIGH-RESOLUTION IMAGING OF VIRGO CLUSTER GALAXIES .1. OBSERVATIONAL TECHNIQUES AND 1ST RESULTS.
TANVIR, NR,SHANKS, T,MAJOR, JV,DOEL, AP,DUNLOP, CN,MYERS, RM,REDFERN, RM,OKANE, P,DEVANEY, MN (1991) HIGH-RESOLUTION IMAGING OF VIRGO CLUSTER GALAXIES .1. OBSERVATIONAL TECHNIQUES AND 1ST RESULTS. Note [Details]

Reviews

  Year Publication
(2013) Adaptive Optics Technology for High-Resolution Retinal Imaging.
Lombardo, M;Serrao, S;Devaney, N;Parravano, M;Lombardo, G (2013) Adaptive Optics Technology for High-Resolution Retinal Imaging. BASEL: MDPI Reviews [DOI] [Details]
(2013) Adaptive Optics Technology for High-Resolution Retinal Imaging.
Lombardo, M,Serrao, S,Devaney, N,Parravano, M,Lombardo, G (2013) Adaptive Optics Technology for High-Resolution Retinal Imaging. Reviews [DOI] [Details]

Professional Associations

  Association Function From / To
Optical Society of America member /

Employment

  Employer Position From / To
Royal Greenwich Observatory Post Doctoral Research Associate 01-AUG-89 / 31-DEC-91
Meudon Observatory, Paris Post doctoral researcher 01-JAN-92 / 01-JAN-93
Instituto de Astrofisica de Canarias Support Astronomer 01-JAN-93 / 01-JAN-95
Grantecan, Instituto de Astrofisica de Canarias Adaptive Optics manager 01-JAN-95 / 01-APR-05

Education

  Year Institution Qualification Subject
1989 National University of Ireland 1042593
1985 University College Galway 1042588

Teaching Interests

I hold a Postgraduate Certificate in Teaching and Learning (CELT, University of Galway)

Current Teaching:

PH2106:  Atomic and Nuclear Physics
PH351 :  Wave Optics


Previous:

PH211: Electricity, Magnetism and circuits 
PH103: History of Astronomy
PH459: Applied Optics 
PH431:  Medical Image processing

Recent Postgraduate Students

  Graduation Name Degree Primary Supervisor
2011 Daniel Burke PhD Y
2013 Gomathy Ramaswamy PhD Y

Modules Taught

  Term/Year Module Title Module Code Subject / Desc
2018-2019 Atomic and Nuclear Physics PH2103
2018-2019 Wave Optics PH351

External Collaborators

  Name Organisation / Institute Country Description of Collaboration
Claudia Reinlein Fraunhofer Institute for Applied Optics and Precision mechanics GERMANY
ESA project to develop active optics for future space telescopes
Eric Thiebaut Observatoire de Lyon FRANCE
Developing algorithms for the detection of extrasolar planets in AO images