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Conference Paper
Conference on Lasers and Electro-Optics
San Jose, California United States
May 4-9, 2008
ISBN: 978-1-55752-859-9
Detectors (CWF)

Geiger-Mode Quad-Cell Array for Adaptive Optics

Brian F. Aull, Matthew J. Renzi, Andrew H. Loomis, Douglas J. Young, Bradley J. Felton, Thomas A. Lind, David M. Craig, and Robert L. Johnson

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We report Shack-Hartmann wavefront sensors using arrays of high-fill-factor Geiger-mode quad cells hybridized to digital CMOS counting circuits. The absence of readout noise facilitates fast wavefront sensing at low light levels.

© 2008 Optical Society of America

OCIS Codes
(040.0040) Detectors : Detectors
(110.0110) Imaging systems : Imaging systems
(040.1345) Detectors : Avalanche photodiodes (APDs)
(110.1080) Imaging systems : Active or adaptive optics

B. F. Aull, M. J. Renzi, A. H. Loomis, D. J. Young, B. J. Felton, T. A. Lind, D. M. Craig, and R. L. Johnson, "Geiger-Mode Quad-Cell Array for Adaptive Optics," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CWF2.

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