Transferred electron photocathode with greater than 5% quantum efficiency beyond 1 micron

Kenneth A. Costello; Gary A. Davis; Robert E. Weiss; Verle W. Aebi

doi:10.1117/12.44264

1 June 1991 Transferred electron photocathode with greater than 5% quantum efficiency beyond 1 micron

Kenneth A. Costello, Gary A. Davis, Robert E. Weiss, Verle W. Aebi

Author Affiliations +

Proceedings Volume 1449, Electron Image Tubes and Image Intensifiers II; (1991) https://doi.org/10.1117/12.44264
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

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.

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Kenneth A. Costello, Gary A. Davis, Robert E. Weiss, and Verle W. Aebi "Transferred electron photocathode with greater than 5% quantum efficiency beyond 1 micron", Proc. SPIE 1449, Electron Image Tubes and Image Intensifiers II, (1 June 1991); https://doi.org/10.1117/12.44264

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