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Proceedings Paper

Optical Shutters Using Microchannel Plate (MCP) Intensifier Tubes
Author(s): David E. Kotecki; Richard Lear
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Paper Abstract

Optical shutters with exposure times approaching 1 ns have been achieved by gating either the photocathode or the microchannel plate of 18-mm proximity-focused microchannel plate intensifier tubes. We present measurements of the shutter performance, including the total optical gate, uniformity vs time, resolution, linearity, and dynamic range, for a number of intensifier tubes under various types of pulsing configurations. Properties of intensifier tubes related to fast gating and limitations on the gating speed imposed by the intensifier tube geometry are discussed. We also give results with a specially modified intensifier in which all but a 3 mm x 18 mm portion of the photocathode was masked off by an opaque metallic undercoating, along with preliminary results of gating third-generation (GaAs photocathode) intensifier tubes. A characterization procedure used to evaluate the performance of each optical shutter is discussed, along with a review of fast electrical pulsers suitable for gating intensifier tubes.

Paper Details

Date Published: 9 January 1984
PDF: 17 pages
Proc. SPIE 0427, High Speed Photography, Videography, and Photonics I, (9 January 1984); doi: 10.1117/12.936262
Show Author Affiliations
David E. Kotecki, Lawrence Livermore National Laboratory (United States)
Richard Lear, Lawrence Livermore National Laboratory (United States)

Published in SPIE Proceedings Vol. 0427:
High Speed Photography, Videography, and Photonics I
Dennis L. Paisley, Editor(s)

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