Photon counting camera for high-resolution astronomy

O. Ryan; M. Redfern; A. Shearer

doi:10.1117/12.670486

15 June 2006 Photon counting camera for high-resolution astronomy

O. Ryan, M. Redfern, A. Shearer

Proceedings Volume 6276, High Energy, Optical, and Infrared Detectors for Astronomy II; 62760I (2006) https://doi.org/10.1117/12.670486
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

A system is described which makes best use of the high quantum efficiency and high count rate capability of avalanche photodiodes for high time resolution observations of optical pulsars. The use of three APDs allows simultaneous photometry of the target and a reference star, and the monitoring of the sky background. By minimising the optical components in the light path the optical efficiency of the system is maximised. The TRIFFID¹ and OPTIMA² have shown that fibre-fed APD arrays can produce excellent results. This, new, system was used on the 6m BTA in November 2003-results on the Crab pulsar are presented.

Citation Download Citation

O. Ryan, M. Redfern, and A. Shearer "Photon counting camera for high-resolution astronomy", Proc. SPIE 6276, High Energy, Optical, and Infrared Detectors for Astronomy II, 62760I (15 June 2006); https://doi.org/10.1117/12.670486

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