The Effect Of Microchannel Plate Intensifier Electrostatic Focusing Fields On Modulation Transfer Function

Roger M. Estrella; Stan W. Thomas

doi:10.1117/12.962439

17 January 1990 The Effect Of Microchannel Plate Intensifier Electrostatic Focusing Fields On Modulation Transfer Function

Roger M. Estrella, Stan W. Thomas

Author Affiliations +

Proceedings Volume 1155, Ultrahigh Speed and High Speed Photography, Photonics, and Videography '89: Seventh in a Series; (1990) https://doi.org/10.1117/12.962439
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

We have determined that the modulation transfer function (MTF) of a microchannel plate intensifier (MCPI) is a much stronger function of the electric focusing field in the screen region than it is in the cathode region. For approximately equal percentage increases in the electric fields, the screen MTF improves about ten times faster than the cathode MTF at 15 1p/mm. Testing was done on three ITT F4111 MCPIs using a computer-controlled EG&G Gamma Scientific C-11 Spatial Scanning System and an impulse line measuring technique with a three-micron slit target contacting the fiber-optic input of the tube. The MTF was calculated using the Fast Fourier Transform algorithm.

Citation Download Citation

Roger M. Estrella and Stan W. Thomas "The Effect Of Microchannel Plate Intensifier Electrostatic Focusing Fields On Modulation Transfer Function", Proc. SPIE 1155, Ultrahigh Speed and High Speed Photography, Photonics, and Videography '89: Seventh in a Series, (17 January 1990); https://doi.org/10.1117/12.962439

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