Dr. Lyle E. Roberts Profile

Dr. Lyle E. Roberts

Student at Vai Photonics

SPIE Involvement:

Author

Area of Expertise:

Optical Physics , FPGA , Interferometry , Optical Communications , Coherent Beam Combining , Lasers

Publications (5)

Proceedings Article | 30 August 2022 Presentation + Paper

Laser modulation to reduce the dependence on natural guide star for focus sensing: simulations and preliminary results.

Sowmya Hassan Krishna, Noelia Martinez Rey, Francois Rigaut, John Hart, Lyle Roberts, Celine d'Orgeville

Proceedings Volume 12185, 121851G (2022) https://doi.org/10.1117/12.2627080

KEYWORDS: Modulation, Telescopes, Sodium, Bragg cells, Adaptive optics, Numerical simulations, Photodetectors, Sensors, Photodiodes, Modulators, Laser guide stars, Mesosphere, Sodium guide stars, Large telescopes, Field programmable gate arrays

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SPIE Journal Paper | 12 May 2022

Mesospheric sodium layer variations with continuous laser modulation and effects on adaptive optics system

Sowmya Hassan Krishna, Noelia Martinez Rey, Francois Rigaut, Lyle Roberts, Celine d'Orgeville

JATIS, Vol. 8, Issue 02, 029002, (May 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.2.029002

KEYWORDS: Sodium, Modulation, Adaptive optics, Telescopes, LIDAR, Temporal resolution, Spatial resolution, Photons, Numerical simulations, Large telescopes

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Proceedings Article | 30 December 2019 Paper

Continuous-wave light detection and ranging (LiDAR) using image-reject homodyne detection and PRBS modulation

Katie A. Ward, James Spollard, Lyle Roberts, David McClelland, Daniel Shaddock

Proceedings Volume 11200, 112001Q (2019) https://doi.org/10.1117/12.2539990

KEYWORDS: LIDAR, Doppler effect, Field programmable gate arrays, Sensors, Distance measurement, Homodyne detection, Modulation, Continuous wave operation, Oscillators, Hybrid optics

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Proceedings Article | 30 December 2019 Paper

Fast beam steering and agile wavefront control with an optical phased array

David Gozzard, James Spollard, Lyle Roberts, Paul Sibley, David McClelland, Daniel Shaddock

Proceedings Volume 11200, 112001O (2019) https://doi.org/10.1117/12.2539892

KEYWORDS: Phase measurement, Beam steering, Wavefronts, Phased array optics, Field programmable gate arrays, Control systems, Telecommunications, Interferometry, LIDAR, Photodetectors

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Proceedings Article | 4 March 2019 Paper

Towards solid-state beam steering using a 7-emitter 1550 nm optical phased array

James Spollard, David Gozzard, Lyle Roberts, Paul Sibley, Samuel Francis, David McClelland, Daniel Shaddock

Proceedings Volume 10910, 109101P (2019) https://doi.org/10.1117/12.2508951

KEYWORDS: Phased array optics, Field programmable gate arrays, Beam steering, Heterodyning, Wavefronts, Oscillators, Phase measurement, Photodetectors, Control systems, Interferometry

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