Photon counting camera for high-resolution astronomy

O. Ryan, M. Redfern, A. Shearer

Research output: Chapter in Book or Conference Publication/ProceedingConference Publicationpeer-review

1 Citation (Scopus)

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 OPTIMA 2 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.

Original languageEnglish
Title of host publicationHigh Energy, Optical, and Infrared Detectors for Astronomy II
DOIs
Publication statusPublished - 2006
EventHigh Energy, Optical, and Infrared Detectors for Astronomy II - Orlando, FL, United States
Duration: 24 May 200627 May 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6276
ISSN (Print)0277-786X

Conference

ConferenceHigh Energy, Optical, and Infrared Detectors for Astronomy II
Country/TerritoryUnited States
CityOrlando, FL
Period24/05/0627/05/06

Keywords

  • Avalanche photodiode
  • Detectors
  • Fibre optic
  • High time resolution
  • Photometers

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