Photon counting CCDs as wavefront detectors for AO

Italo Foppiani; Carlo Baffa; Valdemaro Biliotti; G. Bregoli; G. Cosentino; Elizabetta Giani; Simone Esposito; Bruno Marano; Piero Salinari

doi:10.1117/12.478387

7 February 2003 Photon counting CCDs as wavefront sensors for A.O.

Italo Foppiani, Carlo Baffa, Valdemaro Biliotti, G. Bregoli, G. Cosentino, Elizabetta Giani, Simone Esposito, Bruno Marano, Piero Salinari

Author Affiliations +

Proceedings Volume 4839, Adaptive Optical System Technologies II; (2003) https://doi.org/10.1117/12.478387
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

Limiting magnitude of A.O. reference stars is set by wavefront sensor intrinsic noise. Recently available avalanche intensified CCD detectors allow single photon event detection (photon counting) virtually free from readout noise. The paper describes a program started in spring 2002, aiming to use a Marconi L3CCD as a wavefront sensor for A.O.

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Italo Foppiani, Carlo Baffa, Valdemaro Biliotti, G. Bregoli, G. Cosentino, Elizabetta Giani, Simone Esposito, Bruno Marano, and Piero Salinari "Photon counting CCDs as wavefront sensors for A.O.", Proc. SPIE 4839, Adaptive Optical System Technologies II, (7 February 2003); https://doi.org/10.1117/12.478387

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