MCP detector development for WSO-UV

Sebastian Diebold; Jürgen Barnstedt; Hans-Rudolf Elsener; Philipp Ganz; Stephan Hermanutz; Christoph Kalkuhl; Norbert Kappelmann; Marc Pfeifer; Daniel Schaadt; Thomas Schanz; Omar Tanirah; Klaus Werner

doi:10.1117/12.925967

17 September 2012 MCP detector development for WSO-UV

Sebastian Diebold, Jürgen Barnstedt, Hans-Rudolf Elsener, Philipp Ganz, Stephan Hermanutz, Christoph Kalkuhl, Norbert Kappelmann, Marc Pfeifer, Daniel Schaadt, Thomas Schanz, Omar Tanirah, Klaus Werner

Author Affiliations +

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 84432X (2012) https://doi.org/10.1117/12.925967
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

The spectrographs of WSO-UV cover the wavelength range of 102 - 310 nm. The essential requirements for the associated detectors are high quantum effciency, solar blindness, and single photon detection. To achieve this, we develop a microchannel plate detector in a sealed tube. We plan to use cesium activated gallium nitride as semitransparent photocathode, a stack of two microchannel plates and a cross strip anode with advanced readout electronics. Challenges are the degradation of the photocathode under atmospheric conditions and the sealing process. We present the detector concept, details of the transfer and sealing processes under UHV, and the current status.

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Sebastian Diebold, Jürgen Barnstedt, Hans-Rudolf Elsener, Philipp Ganz, Stephan Hermanutz, Christoph Kalkuhl, Norbert Kappelmann, Marc Pfeifer, Daniel Schaadt, Thomas Schanz, Omar Tanirah, and Klaus Werner "MCP detector development for WSO-UV", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84432X (17 September 2012); https://doi.org/10.1117/12.925967

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