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Proceedings Paper

Development challenges for the GALEX UV sealed tube detectors
Author(s): Darrel L. Doliber; Joseph M. Stock; Sharon R. Jelinsky; James M. Malloy; Patrick N. Jelinsky; Oswald H. W. Siegmund; Jeffrey S. Hull
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Paper Abstract

We will describe the development of the design and processing of the near ultraviolet (NUV, 1800 - 3000 angstroms) and far ultraviolet (FUV, 1350 - 1800 angstroms) sealed tube microchannel plate cross delay line detectors for the NASA Galaxy Evolution Explorer Satellite. Specifications for the two detector systems for GALEX define a large 65 mm diameter circular format, with high spatial resolution (< 30 micrometers FWHM, approximately 2200 X 2200 resolution elements) and good image linearity (+/- 50 micrometers ), low diffuse background rates of < 1 event cm-1 sec-1, and event processing rates of > 2 X 105 events sec-1. We have implemented a detector design using a microchannel plate Z stack to amplify the signals detected by the photocathodes, and a cross delay line anode to provide the photon event position encoding. These detectors were produced using a new sealed tube production facility installed at the Space Sciences Laboratory, University of California, Berkeley.

Paper Details

Date Published: 28 July 2000
PDF: 9 pages
Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); doi: 10.1117/12.394022
Show Author Affiliations
Darrel L. Doliber, Darrel L. Doliber Consulting (United States)
Joseph M. Stock, Univ. of California/Berkeley (United States)
Sharon R. Jelinsky, Univ. of California/Berkeley (United States)
James M. Malloy, Univ. of California/Berkeley (United States)
Patrick N. Jelinsky, Univ. of California/Berkeley (United States)
Oswald H. W. Siegmund, Univ. of California/Berkeley (United States)
Jeffrey S. Hull, Univ. of California/Berkeley (United States)

Published in SPIE Proceedings Vol. 4013:
UV, Optical, and IR Space Telescopes and Instruments
James B. Breckinridge; Peter Jakobsen, Editor(s)

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