Measuring fast-gating modules

Karel W. J. Stoop; R. J. Glazenborg

doi:10.1117/12.50557

1 January 1992 Measuring fast-gating modules

Karel W. J. Stoop, R. J. Glazenborg

Proceedings Volume 1539, Ultrahigh- and High-Speed Photography, Videography, and Photonics '91; (1992) https://doi.org/10.1117/12.50557
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

When optimizing equipment in which 'fast grating' is used, it is important to discriminate between the 'speed' of the module and the speed of the electrical gate-pulse unit. D.E.P. has therefore developed a method to measure the speed of the module independently of the gate- pulse unit. D.E.P. measures, during the switching on of the module, the time delay between the center and the edge of the module, which we call the iris delay. Even with an electrical gate-pulse of 3 nsec rise-time, we can measure an iris delay down to 0.2 nsec. The shortest pulse-width for which a module can be used is about 2 or 3 times the iris delay. This measurement is done with a pulsed solid state laser. The laser is fired with a variable delay with respect to the gate pulse on the tube.

Citation Download Citation

Karel W. J. Stoop and R. J. Glazenborg "Measuring fast-gating modules", Proc. SPIE 1539, Ultrahigh- and High-Speed Photography, Videography, and Photonics '91, (1 January 1992); https://doi.org/10.1117/12.50557

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