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Proceedings Paper

Two Special Purpose Cameras Using Microchannel-Plate Intensifiers
Author(s): J. Hadland; K.A. F . Haynes; K. Helbrough; A. E Huston
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Paper Abstract

A camera for surveillance purposes uses a microchannel-plate intensifier tube and motorised film transport system in a design which permits direct viewing of the intensifier screen via a biocular magnifier, combined with photography by direct contact of film on the fibre-optic output plate of the intensifier. Automatic gain circuits compensate for both subject brightness and exposure duration, so that correct exposure of the film is obtained without manual adjustment. Exposures from 1/10th to 1/3,000th sec. are available. A camera for projectile photography makes use of a system of multiple pulse gating of the microchannel-plate inten-sifier tube. The multiple gating enables high cut-off ratio ( 107) to be obtained. Exposure duration can be set from 100 ns to 10 us.

Paper Details

Date Published: 27 July 1979
PDF: 3 pages
Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); doi: 10.1117/12.957618
Show Author Affiliations
J. Hadland, John Hadland (P.I.) Ltd. (U.K .)
K.A. F . Haynes, John Hadland (P.I.) Ltd. (U.K.)
K. Helbrough, John Hadland (P.I.) Ltd. (U.K.)
A. E Huston, John Hadland (P.I.) Ltd. (U.K.)

Published in SPIE Proceedings Vol. 0189:
13th Intl Congress on High Speed Photography and Photonics
Shin-Ichi Hyodo, Editor(s)

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