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Proceedings Paper

Spectral sensitivity calibration of Au and CsI photocathodes of high speed x-ray scanning camera
Author(s): Zheng Yuan; Peng Zeng; Bo Deng; Tao Chen; Zhurong Cao; Shenye Liu; Yongteng Yuan
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Paper Abstract

High speed X-ray scanning camera (XSC) is an extra precision temporal and spatial diagnostic instrument in the inertial confinement fusion (ICF) experiment. In order to quantitatively analyze the measurement results, the spectral sensitivity of XSC, which depends on the response of the transmission photocathode, is necessary to be absolutely calibrated. A method of measuring the spectral response of Au and CsI transmission photocathodes of XSC is described. Based on Beijing Synchrotron Radiation Facility (BSRF), Au and CsI transmission photocathodes with slits are calibrated in the photon energy range of 60 eV-1500 eV and 2.1 keV-5.5 keV. Utilizing the quantum efficiency of the standard detector AXUV-100, the calibrated quantum efficiency of Au and CsI photocathodes are derived. The calibration data agree well with the photoelectric emission theory of Henke.

Paper Details

Date Published: 15 October 2012
PDF: 6 pages
Proc. SPIE 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy, 841921 (15 October 2012); doi: 10.1117/12.976813
Show Author Affiliations
Zheng Yuan, Research Ctr. of Laser Fusion (China)
Peng Zeng, Research Ctr. of Laser Fusion (China)
Bo Deng, Research Ctr. of Laser Fusion (China)
Tao Chen, Research Ctr. of Laser Fusion (China)
Zhurong Cao, Research Ctr. of Laser Fusion (China)
Shenye Liu, Research Ctr. of Laser Fusion (China)
Yongteng Yuan, Research Ctr. of Laser Fusion (China)


Published in SPIE Proceedings Vol. 8419:
6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy
Yadong Jiang; Junsheng Yu; Zhifeng Wang, Editor(s)

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