
Proceedings Paper
Study on the characteristic of energy response of large sampling device to ultra-high energy laser diagnosisFormat | Member Price | Non-Member Price |
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Paper Abstract
In terminal optical system of the ICF (inertial confinement fusion) , the large caliber (310mm*310mm) beam sampling
grating (BSG) is used to confirm the energy of the main laser by measuring the -1st transmission diffractive light
intensity of the main laser beam.The characteristics of BSG's energy response directly affects the measurement
accuracy. The characteristic of BSG's energy response has been studied in this paper based on the actual intensity
distribution of the ultra-high energy laser beam and the spatial distribution model of diffractive efficiency of BSG.
BSG's energy response affected by its uniformity of the diffractive efficiency has been analysised, too. The results
indicate that the spatial distribution of diffractive efficiency of BSG is directly related to the energe response
characteristics and the uniformity of BSG's diffractive efficiency has an impact on the accuracy of the sampling of
energy.This research provides a theoretical basis for evaluating the high-energy sampling device's energy response
characteristic in ultra-high energy diagnosis. The technical indicator with the uniformity of BSG's diffractive efficiency
has been attained and these results are use for the fabrication of the beam sampling gratings in practice.
Paper Details
Date Published: 28 August 2009
PDF: 5 pages
Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 738222 (28 August 2009); doi: 10.1117/12.834299
Published in SPIE Proceedings Vol. 7382:
International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging
Farzin Amzajerdian; Chun-qing Gao; Tian-yu Xie, Editor(s)
PDF: 5 pages
Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 738222 (28 August 2009); doi: 10.1117/12.834299
Show Author Affiliations
Jianhong Wu, Soochow Univ. (China)
Published in SPIE Proceedings Vol. 7382:
International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging
Farzin Amzajerdian; Chun-qing Gao; Tian-yu Xie, Editor(s)
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