Share Email Print
cover

Proceedings Paper

Analysis of the influence of vacuum chucking on the distortion of the KDP crystal
Author(s): Qiao Xu; Jian Wang
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

The potassium dihydrogen phosphate (KDP) crystal elements served as switcher and frequency converter are the key components in large laser system for inertial confinement fusion (ICF). Such kinds of crystal components, which can be treated as thin plates, are usually fixed on a vacuum chucker connected to the worktable and fabricated by the single point diamond turning machine. The bend due to the vacuum chucking is one of the most important contributors aggravating the distortion of the crystal plate. In this paper, we analyze the influence of vacuum chucking on the distortion of the crystal plate by using finite element analysis method. The calculating results show that the parameters of the chucker, such as the size of the chucking hole, the distribution of the holes, the vacuum pressure and the status of holding the crystal plate, are closely related to the distortion. Another interesting result is that the chucking force from the holes would have effect on the waviness of the surface.

Paper Details

Date Published: 6 October 2000
PDF: 5 pages
Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); doi: 10.1117/12.402770
Show Author Affiliations
Qiao Xu, Southwest Institute of Nuclear Physics and Chemistry (China)
Jian Wang, Southwest Institute of Nuclear Physics and Chemistry (China)


Published in SPIE Proceedings Vol. 4231:
Advanced Optical Manufacturing and Testing Technology 2000
Li Yang; Harvey M. Pollicove; Qiming Xin; James C. Wyant, Editor(s)

© SPIE. Terms of Use
Back to Top