Pulsed versus direct current calibration of a proximity focused x-ray streak camera

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The absolute sensitivity of a proximity focused x-ray streak tube was measured with dc Henke tube x-ray line sources. Calibration covered the photon energy range from 0.930 to 8.05 keV at five points. These data were compared to a model of sensitivity based on photocathode response and matched the model well on a relative scale. A pulsed comparison was performed using a laser-plasma x-ray source. The calculated camera sensitivity was folded with the measured spectrum and compared to measured film exposures. The predicted exposures were 6.5 times less than the measured exposures, verifying concerns that the proximity focused tube response ... continued below

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Pages: 7

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Rockett, P.D. & McGurn, J.S. February 1, 1981.

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Description

The absolute sensitivity of a proximity focused x-ray streak tube was measured with dc Henke tube x-ray line sources. Calibration covered the photon energy range from 0.930 to 8.05 keV at five points. These data were compared to a model of sensitivity based on photocathode response and matched the model well on a relative scale. A pulsed comparison was performed using a laser-plasma x-ray source. The calculated camera sensitivity was folded with the measured spectrum and compared to measured film exposures. The predicted exposures were 6.5 times less than the measured exposures, verifying concerns that the proximity focused tube response is nonlinear with flux at low, dc flux levels. Results of dc recalibrations that varied flux levels determined the extent of this phenomenon.

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Pages: 7

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NTIS, PC A02/MF A01.

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  • Report No.: LA-8425-MS
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/6763259 | External Link
  • Office of Scientific & Technical Information Report Number: 6763259
  • Archival Resource Key: ark:/67531/metadc1195313

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • February 1, 1981

Added to The UNT Digital Library

  • July 3, 2018, 8:14 a.m.

Description Last Updated

  • Feb. 25, 2019, 5:23 p.m.

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Rockett, P.D. & McGurn, J.S. Pulsed versus direct current calibration of a proximity focused x-ray streak camera, report, February 1, 1981; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1195313/: accessed March 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.