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Development of an x‐ray framing camera

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4 Author(s)
Stearns, D. G. ; Lawrence Livermore National Laboratory, P.O. Box 5508, L‐473, Livermore, California 94550 ; Wiedwald, J. D. ; Cook, W. M. ; Hanks, R. L.

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An ultrafast x‐ray framing camera is being developed at Lawrence Livermore National Laboratory to be used as a diagnostic instrument in laser experiments. The framing camera is designed to provide temporal resolution of 50 ps and spatial resolution of 30 μ at the image plane. The unique design incorporates the x‐ray photocathode directly into a suspended‐strip transmission line. The photocathode is gated using a high‐voltage (-5 kV) pulse of short duration generated with a photoconductive switch. The photoelectrons are extracted through an unbiased microchannel plate and are directly detected with a charge‐coupled device in the electron‐bombardment mode. We report on current progress in the fabrication, characterization, and integration of the various components of the instrument.

Published in:

Review of Scientific Instruments  (Volume:57 ,  Issue: 8 )