The microchannel plate detector electronics system for SPEAR

Uk-won Nam; Jin-geun Rhee; Eric J. Korpela; Ho Jin; Dae-hee Lee; Jeffrey S. Hull; Peter Berg; Wonyong Han; Kyung-wook Min; Jerry Edelstein

doi:10.1117/12.460018

24 February 2003 The microchannel plate detector electronics system for SPEAR

Uk-won Nam, Jin-geun Rhee, Eric J. Korpela, Ho Jin, Dae-hee Lee, Jeffrey S. Hull, Peter Berg, Wonyong Han, Kyung-wook Min, Jerry Edelstein

Author Affiliations +

Proceedings Volume 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation; (2003) https://doi.org/10.1117/12.460018
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The SPEAR (Spectroscopy of Plasma Evolution from Astrophysical Radiation) mission to map the far ultraviolet sky uses micro-channel plate (MCP) detectors with a crossed delay line anode to record photon arrival events. SPEAR has two MCP detectors, each with a ~25mm x 25 mm active area. The unconventional anode design allows for the use of a single set of position encoding electronics for both detector fields. The centroid position of the charge cloud, generated by the photon-stimulated MCP, is determined by measuring the arrival times at both ends of the anode following amplification and external delay. The temporal response of the detector electronics system determines the readout's positional resolution for the charge centroid. High temporal resolution (< 35ps x 75ps FWHM) and low power consumption (<6W) are required for the SPEAR detector electronics system. We describe the development and performance of the detector electronics system for the SPEAR mission.

Citation Download Citation

Uk-won Nam, Jin-geun Rhee, Eric J. Korpela, Ho Jin, Dae-hee Lee, Jeffrey S. Hull, Peter Berg, Wonyong Han, Kyung-wook Min, and Jerry Edelstein "The microchannel plate detector electronics system for SPEAR", Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); https://doi.org/10.1117/12.460018

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