Physics – Optics
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..383g&link_type=abstract
EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V
Physics
Optics
Photodiodes, Phototransistors, Photoresistors, Adaptive And Segmented Optics, Ground-Based Ultraviolet, Optical And Infrared Telescopes, Charge-Coupled Devices, Image Detectors, And Ir Detector Arrays
Scientific paper
We are testing a photon-counting electron multiplying CCD (EMCCD) for use in the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system. We intend to use EMCCD technology on the SCExAO system for (1) high performance wavefront sensing for Extreme-AO and (2) diffraction limited visible light science imaging. For both applications, the ability to operate in photon-counting mode is highly advantageous, and we are currently conducting laboratory tests to quantify the EMCCD performance for these applications. The EMCCD technology is also attractive as a higher sensitivity alternative to the Avalanche Photodiodes (APDs) currently used by Subaru 188-actuator adaptive optics system.
Egner Sebastian
Garrel Vincent
Guyon Olivier
Martinache Frantz
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