The effects of variations in the photocathode voltages of electronic streak cameras
Conference
·
OSTI ID:6588966
Electronic streak cameras are used to record subnanosecond data at the Nevada Test Site. It has been found that externally induced variations in the photocathode voltage of the streak tube can produce both temporal and spatial errors on the output image. An electron beam tracing code was used to model the magnification as a function of photocathode voltage and signal input position for streak tubes manufactured by RCA, ITT, and Kentech. Laboratory tests were also performed where pulsed and radio frequency signals were induced upon the photocathode and the errors on the resultant image were compared with the error predicted by the electron beam code. Also, methods for processing the distortion in digitized images were investigated. This paper will discuss the results of these investigations. 3 refs., 17 figs.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6588966
- Report Number(s):
- UCRL-99282; CONF-880887-30; ON: DE89006776
- Country of Publication:
- United States
- Language:
- English
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