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Proceedings Paper

Transferred electron photocathode with greater than 5% quantum efficiency beyond 1 micron
Author(s): Kenneth A. Costello; Gary A. Davis; Robert E. Weiss; Verle W. Aebi
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Paper Abstract

This paper details the status of a program at Varian EOSP to develop high-sensitivity transmission photocathodes which function in the 0.95 - 1.65 micron wavelength range. One goal of the program is to develop a streak tube compatible cathode with greater than 1% quantum efficiency at 1.3 micrometers . Sealed tube results are presented. Measured performance characteristics include: cathode spectral response, room temperature cathode photoresponse stability, dark current, emitted electron energy distributions, photodiode resolution/MTF, and preliminary time response data. Finally, the paper includes a brief review of transferred electron photocathode physics and potential applications.

Paper Details

Date Published: 1 June 1991
PDF: 11 pages
Proc. SPIE 1449, Electron Image Tubes and Image Intensifiers II, (1 June 1991); doi: 10.1117/12.44264
Show Author Affiliations
Kenneth A. Costello, Varian Electro-Optical Sensor Products (United States)
Gary A. Davis, Varian Electro-Optical Sensor Products (United States)
Robert E. Weiss, Varian Electro-Optical Sensor Products (United States)
Verle W. Aebi, Varian Electro-Optical Sensor Products (United States)


Published in SPIE Proceedings Vol. 1449:
Electron Image Tubes and Image Intensifiers II
Illes P. Csorba, Editor(s)

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