Performance results of the GALEX cross delay line detectors

Patrick N. Jelinsky; Patrick F. Morrissey; James M. Malloy; Sharon R. Jelinsky; Oswald H. W. Siegmund; Christopher Martin; David Schiminovich; Karl Forster; Ted Wyder; Peter G. Friedman

doi:10.1117/12.460013

24 February 2003 Performance results of the GALEX cross delay line detectors

Patrick N. Jelinsky, Patrick F. Morrissey, James M. Malloy, Sharon R. Jelinsky, Oswald H. W. Siegmund, Christopher Martin, David Schiminovich, Karl Forster, Ted Wyder, Peter G. Friedman

Author Affiliations +

Proceedings Volume 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation; (2003) https://doi.org/10.1117/12.460013
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We describe the performance results for the Galaxy Evolution Explorer (GALEX) far ultraviolet (FUV) and near ultraviolet (NUV) detectors. The detectors were delivered to JPL/Caltech starting in the fall of 2000 and have undergone approximately 1000 hours of pre-flight system-level testing to date. The GALEX detectors are sealed tube micro-channel plate (MCP) delay line readout detectors. They have a 65 mm diameter active area, which will be the largest format on orbit. The FUV detector has a spectral bandpass from 115 - 180 nm and the NUV detector has a bandpass from 165 - 300 nm. We report here on the performance of the detectors before and after integration into the instrument. Characteristics measured include the background count rate and distribution, gain vs. applied high voltage, spatial resolution and linearity, flat fields, and quantum efficiency.

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Patrick N. Jelinsky, Patrick F. Morrissey, James M. Malloy, Sharon R. Jelinsky, Oswald H. W. Siegmund, Christopher Martin, David Schiminovich, Karl Forster, Ted Wyder, and Peter G. Friedman "Performance results of the GALEX cross delay line detectors", Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); https://doi.org/10.1117/12.460013

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