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Proceedings Paper

Mechanism Of Intensity Dependent Output Pulse Broadening Effect In Streak Tubes
Author(s): Motohiro Suyama; Katsuyuki Kinoshita
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Paper Abstract

The mechanism of incident light intensity dependent output pulse broadening effect in the femtosecond streak tube has been investigated experimentally. In the experiment, several conditions were varied as a parameter to measure intensity dependent output pulse broadening characteristics. As the result, it has been clarified that broadening of the electron packet along the tube axis corresponding to high intensity light is not caused by space charge effects at a specific point such as in/close to the photocathode but is caused by accumulation of space charge effects induced between the photocathode and the deflection electrode, and that the broadening is temporally resolved and causes output pulse broadening on the screen. And it has been indicated that to shorten the transit time of electrons from the photocathode to the deflection electrode is a point to decrease output pulse broadening on the screen, and to extend the upper limit of the dynamic-range.

Paper Details

Date Published: 7 June 1989
PDF: 5 pages
Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989);
Show Author Affiliations
Motohiro Suyama, Hamamatsu Photonics K.K. (Japan)
Katsuyuki Kinoshita, Hamamatsu Photonics K.K. (Japan)

Published in SPIE Proceedings Vol. 1032:
18th Intl Congress on High Speed Photography and Photonics
DaHeng Wang, Editor(s)

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