Microchannel plate life testing for UV spectroscopy instruments

被引：1
|
作者：
Darling, N. T. [1 ]
Siegmund, O. H. W. [1 ]
Curtis, T. [1 ]
McPhate, J. [1 ]
Tedesco, J. [1 ]
Courtade, S. [1 ]
Holsclaw, G. [2 ]
Hoskins, A. [2 ]
Al Dhafri, S. [3 ]
Amiri, S. [3 ]
机构：
[1] Univ Calif Berkeley, Space Sci Lab, 7 Gauss Way, Berkeley, CA 94720 USA
[2] Univ Colorado, LASP, 1234 Innovat Dr, Boulder, CO 80303 USA
[3] Mohammed Bin Rashid Space Ctr, Al Khawaneej St, Dubai, U Arab Emirates
来源：
UV, X-RAY, AND GAMMA-RAY SPACE INSTRUMENTATION FOR ASTRONOMY XX | 2017年 / 10397卷
关键词：
Emirates Mars Mission UV Spectrograph; FUV; microchannel plate; cross delay line; scrub;
D O I：
10.1117/12.2277343
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Emirates Mars Mission (EMM) UV Spectrograph (EMUS) is a far ultraviolet (102 nm to 170 nm) imaging spectrograph for characterization of the Martian exosphere and thermosphere. Imaging is accomplished by a photon counting open-face microchannel plate (MCP) detector using a cross delay line (XDL) readout. An MCP gain stabilization ("scrub") followed by lifetime spectral line burn-in simulation has been completed on a bare MCP detector at SSL. Gain and sensitivity stability of better than 7% has been demonstrated for total dose of 2.5 x 10(12) photons cm(-2) (2 C . cm(-2)) at 5.5 kHz mm(-2) counting rates, validating the efficacy of an initial low gain full-field scrub.
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页数：7
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