Dr. Loïc Albert Profile

Dr. Loïc Albert

Instrument Specialist in Astronomy at Université de Montréal

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 28 August 2024 Poster + Paper

Poster + Paper

Commissioning and calibration of the JWST aperture masking interferometry mode

Rachel Cooper, Deepashri Thatte, Anand Sivaramakrishnan, Löic Albert, Neil Cook, Jens Kammerer, André Martel, Joel Sanchez-Bermudez, Anthony Soulain, Thomas Vandal, Kevin Volk

Proceedings Volume 13095, 130952R (2024) https://doi.org/10.1117/12.3019153

KEYWORDS: Calibration, James Webb Space Telescope, Stars, Point spread functions, Data modeling, Sensors, Astronomical interferometry, Equipment, Fourier optics, Astronomical interferometers

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Proceedings Article | 14 December 2020 Presentation + Paper

Presentation + Paper

The James Webb Space Telescope aperture masking interferometer

A. Soulain, A. Sivaramakrishnan, P. Tuthill, D. Thatte, K. Volk, R. Cooper, L. Albert, É. Artigau, N. Cook, R. Doyon, D. Johnstone, D. Lafrenière, A. Martel

Proceedings Volume 11446, 1144611 (2020) https://doi.org/10.1117/12.2560804

KEYWORDS: James Webb Space Telescope, Interferometers, Infrared telescopes, Observatories, Stars, Infrared radiation, Mirrors, Observational astronomy, Imaging systems, Spectrographs

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Proceedings Article | 29 July 2016 Paper

Paper

First light of the NIRISS Optical Simulator (NOS)

Jonathan St-Antoine, Loïc Albert, René Doyon, Philippe Vallée, Étienne Artigau, Olivier Hernandez, Simon Thibault, Denis Brousseau

Proceedings Volume 9904, 990447 (2016) https://doi.org/10.1117/12.2232050

KEYWORDS: Device simulation, James Webb Space Telescope, Exoplanets, Optical simulations, Absorption, Device simulation, James Webb Space Telescope, Sensors, Spectroscopy, Cadmium sulfide, Laser sources, Stars

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Proceedings Article | 28 August 2014 Paper

Paper

NIRISS aperture masking interferometry: an overview of science opportunities

Étienne Artigau, Anand Sivaramakrishnan, Alexandra Greenbaum, René Doyon, Paul Goudfrooij, Alex Fullerton, David Lafrenière, Kevin Volk, Loïc Albert, André Martel, K. E. Saavik Ford, Barry McKernan

Proceedings Volume 9143, 914340 (2014) https://doi.org/10.1117/12.2055191

KEYWORDS: Stars, Planets, James Webb Space Telescope, Optical filters, Gemini Planet Imager, Point spread functions, Interferometry, Exoplanets, Galactic astronomy, Bandpass filters

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Proceedings Article | 28 August 2014 Paper

Paper

Updated point spread function simulations for JWST with WebbPSF

Marshall Perrin, Anand Sivaramakrishnan, Charles-Philippe Lajoie, Erin Elliott, Laurent Pueyo, Swara Ravindranath, Loïc Albert

Proceedings Volume 9143, 91433X (2014) https://doi.org/10.1117/12.2056689

KEYWORDS: Point spread functions, James Webb Space Telescope, Device simulation, Spectroscopy, Instrument modeling, Wavefront sensors, Spectroscopes, Wavefronts, Coronagraphy, Telescopes

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Proceedings Article | 7 August 2014 Paper

Paper

Diamond machining of ZnSe grisms for the Near Infrared Imager and Slitless Spectrograph (NIRISS) onboard JWST

Paul Kuzmenko, Steve Little, Loïc Albert, David Aldridge, René Doyon, Michael Maszkiewicz, Driss Touahri

Proceedings Volume 9151, 915159 (2014) https://doi.org/10.1117/12.2054420

KEYWORDS: Diffraction, Diffraction gratings, Spindles, James Webb Space Telescope, Germanium, Surface finishing, Diamond, Polishing, Diamond machining, Near infrared

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Proceedings Article | 28 July 2014 Paper

Paper

Space qualification of an antireflection coating on the surface of a ruled grating prism: increasing the throughput of the single-object slitless spectroscopy mode of NIRISS onboard JWST

Loïc Albert, René Doyon, Paul Kuzmenko, Steve Little, Greg Enzor, Michael Maszkiewicz

Proceedings Volume 9151, 915158 (2014) https://doi.org/10.1117/12.2054404

KEYWORDS: Antireflective coatings, Coating, Prisms, James Webb Space Telescope, Zinc, Cryogenics, Wavefronts, Spectroscopy, Atomic force microscopy, Autoregressive models

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Proceedings Article | 23 July 2014 Paper

Paper

Asymmetry in the noise equivalent angle performance of the JWST fine guidance sensor

Neil Rowlands, Gerry Warner, Loic Albert, Tim Hardy, Judith Pipher, John Hutchings, Rene Doyon

Proceedings Volume 9154, 91540L (2014) https://doi.org/10.1117/12.2057311

KEYWORDS: Interference (communication), Signal to noise ratio, Stars, Sensors, James Webb Space Telescope, Point spread functions, Data modeling, Electrons, Capacitance, Image processing

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Proceedings Article | 8 July 2014 Paper

Paper

High-precision polarimetry at the Mont-Mégantic Observatory with the new polarimeter POMM

Pierre Bastien, Olivier Hernandez, Loïc Albert, Étienne Artigau, René Doyon, Laurent Drissen, David Lafrenière, Antony Moffat, Nicole St-Louis

Proceedings Volume 9147, 91471S (2014) https://doi.org/10.1117/12.2056789

KEYWORDS: Stars, Polarization, Polarimetry, Planets, Light scattering, Exoplanets, Scattering, Jupiter, Comets, Observatories

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Proceedings Article | 25 September 2012 Paper

Paper

Pixel classification for the JWST fine guidance sensor

Neil Rowlands, Gerry Warner, Charles Berndt, Loic Albert, Pierre Chayer

Proceedings Volume 8453, 845313 (2012) https://doi.org/10.1117/12.926678

KEYWORDS: Sensors, James Webb Space Telescope, Imaging systems, Staring arrays, Cadmium sulfide, Image processing, Data conversion, Detector arrays, Signal detection, Space telescopes

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Proceedings Article | 21 September 2012 Paper

Paper

The JWST Fine Guidance Sensor (FGS) and Near-Infrared Imager and Slitless Spectrograph (NIRISS)

René Doyon, John Hutchings, Mathilde Beaulieu, Loic Albert, David Lafrenière, Chris Willott, Driss Touahri, Neil Rowlands, Micheal Maszkiewicz, Alex Fullerton, Kevin Volk, André Martel, Pierre Chayer, Anand Sivaramakrishnan, Roberto Abraham, Laura Ferrarese, Ray Jayawardhana, Doug Johnstone, Michael Meyer, Judith Pipher, Marcin Sawicki

Proceedings Volume 8442, 84422R (2012) https://doi.org/10.1117/12.926578

KEYWORDS: Sensors, Spectroscopy, Imaging spectroscopy, Stars, Exoplanets, James Webb Space Telescope, Atmospheric modeling, Imaging systems, Point spread functions, Spectrographs

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Proceedings Article | 30 July 2010 Paper

Paper

High-precision photometry with WIRCam at the CFHT

Daniel Devost, Loïc Albert, Douglas Teeple, Bryce Croll

Proceedings Volume 7737, 77372D (2010) https://doi.org/10.1117/12.856848

KEYWORDS: Signal to noise ratio, Sensors, Stars, Photometry, Telescopes, Quantum efficiency, Performance modeling, Exoplanets, Infrared radiation, Target detection

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Proceedings Article | 22 July 2008 Paper

Paper

Characterization of persistence in WIRCam's Hawaii 2-RG arrays

Marc Baril, Loic Albert

Proceedings Volume 7021, 702121 (2008) https://doi.org/10.1117/12.789648

KEYWORDS: Sensors, Diodes, Electrons, Mercury cadmium telluride, Infrared detectors, Infrared imaging, Infrared radiation, Chlorine, Telescopes, Infrared telescopes

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Proceedings Article | 9 July 2008 Paper

Paper

Solving the three cross-talk flavors on WIRCam and its HAWAII-2RG detectors

Loïc Albert, Marc Baril, Jeff Ward, Stéphane Arnouts, Daniel Devost

Proceedings Volume 7014, 70142K (2008) https://doi.org/10.1117/12.787670

KEYWORDS: Video, Sensors, Amplifiers, Stars, Image processing, Resistors, Digital signal processing, Telescopes, Infrared cameras, Near infrared

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Proceedings Article | 28 June 2006 Paper

Paper

CFHT-WIRCam: interlaced science and guiding readout with the Hawaii-2RG IR sensor

Marc Baril, Jeff Ward, Douglas Teeple, Greg Barrick, Loic Albert, Martin Riopel, Shiang-Yu Wang

Proceedings Volume 6269, 62690Z (2006) https://doi.org/10.1117/12.672113

KEYWORDS: Digital signal processing, Infrared sensors, Sensors, Clocks, Cameras, Stars, Multiplexers, Video, Servomechanisms, Cadmium sulfide

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Proceedings Article | 27 June 2006 Paper

Paper

CFHT WIRCam software architecture and implementation

Tom Vermeulen, Douglas Teeple, Billy Mahoney, James Thomas, Loic Albert, Pierre Martin, Thierry Forveille, Chi-Hung Yan

Proceedings Volume 6274, 62740J (2006) https://doi.org/10.1117/12.670543

KEYWORDS: Sensors, Stars, Telescopes, Image quality, Computer architecture, Cameras, Optical filters, Interfaces, Human-machine interfaces, Digital signal processing

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Proceedings Article | 27 June 2006 Paper

Paper

Infrared guiding with faint stars with the wide-field infrared camera at CFHT

Douglas Teeple, Martin Riopel, Marc Baril, Gregory Barrick, Loic Albert, Tom Vermeulen, Jeff Ward

Proceedings Volume 6274, 62740I (2006) https://doi.org/10.1117/12.670355

KEYWORDS: Stars, Telescopes, Control systems, Infrared cameras, Infrared radiation, Digital signal processing, Sensors, Infrared imaging, Image quality, Detector arrays

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Proceedings Article | 7 September 2005 Paper

Paper

The on-chip guiding system of the wide-field infrared camera at CFHT

Loic Albert, Martin Riopel, Douglas Teeple, Jeff Ward, Greg Barrick

Proceedings Volume 5881, 58810A (2005) https://doi.org/10.1117/12.617533

KEYWORDS: Stars, Sensors, Telescopes, Infrared cameras, Control systems, Infrared telescopes, Infrared radiation, Imaging systems, Infrared sensors, Detector arrays

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Proceedings Article | 7 March 2003 Paper

Paper

Design of cryomechanisms for infrared astronomy

Philippe Vallee, Rene Doyon, Daniel Nadeau, Loic Albert, Martin Riopel

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461093

KEYWORDS: Optical filters, Cryogenics, Cameras, Sensors, Computer programming, Aluminum, Switches, Molybdenum, Infrared astronomy, Telescopes

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Showing 5 of 19 publications

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