Photon Counting Reticon System-Description And Performance

A. R. Jorden; P. D. Read; I. G. vanBreda

doi:10.1117/12.933478

16 November 1982 Photon Counting Reticon System-Description And Performance

A. R. Jorden, P. D. Read, I. G. vanBreda

Proceedings Volume 0331, Instrumentation in Astronomy IV; (1982) https://doi.org/10.1117/12.933478
Event: 1982 Astronomy Conferences, 1982, Tucson, United States

Abstract

A photon counting system has been developed as a common-user instrument for spectroscopy at SAAO (South Africa). A dual Reticon array with EMI and Varo intensifiers is used. The system is based on modular design using CAMAC. Frame subtraction and event centring to half a diode are incorporated. The hardware of the system, including the detector head, is described and details of setting up problems are discussed. Astronomical performance is summarised and some general performance tests are presented. Count rates up to 5 counts per pixel per second are achieved with negligible dark noise. Typical resolution is 25 microns (FWHM) over 20 mm.

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A. R. Jorden, P. D. Read, and I. G. vanBreda "Photon Counting Reticon System-Description And Performance", Proc. SPIE 0331, Instrumentation in Astronomy IV, (16 November 1982); https://doi.org/10.1117/12.933478

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