Enhancement Of Microchannel Plate Gain By Deposition Of CsI On The Channel Walls

G. Power; R. Bonner

doi:10.1117/12.962448

17 January 1990 Enhancement Of Microchannel Plate Gain By Deposition Of CsI On The Channel Walls

G. Power, R. Bonner

Proceedings Volume 1155, Ultrahigh Speed and High Speed Photography, Photonics, and Videography '89: Seventh in a Series; (1990) https://doi.org/10.1117/12.962448
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

At LLNL microchannel plate (MCP) detectors of x rays have been in use for several years. The voltage is applied by a coating on the MCP which needs to be thick enough that the propagation losses are small. To enhance the gain loss of a thick Au coating CsI is used to enhance the gain and quantum efficiency of the MCP. We have recently discovered that thick coatings of CsI (2 gm) in both the front and back side of the MCP (normal to bias angle) greatly increases the gain.

Citation Download Citation

G. Power and R. Bonner "Enhancement Of Microchannel Plate Gain By Deposition Of CsI On The Channel Walls", Proc. SPIE 1155, Ultrahigh Speed and High Speed Photography, Photonics, and Videography '89: Seventh in a Series, (17 January 1990); https://doi.org/10.1117/12.962448

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