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Impact analysis of the force environment on the KDP crystal harmonic loss considering the frame surface topography
Wang, Heran; Liu HT(刘海涛); Liang YC(梁迎春)
Source PublicationKey Engineering Materials
PublisherTrans Tech Publications Ltd
Publication PlaceZurich-Durnten, Switzerland
Indexed ByEI
EI Accession number20143518099410
Contribution Rank1
KeywordClamping Devices Computer Simulation Finite Element Method Fractals Harmonic Generation Inertial Confinement Fusion Mathematical Models Surface Topography
AbstractThe large diameter-thickness-ratio KDP crystals are the main optical element in Inertial Confinement Fusion (ICF) device to realize the harmonic generation, thus they need to maintain high quality surface figure, and therefore, research on the influence of force environment (including clamping force and gravity) on harmonic loss is quite necessary. In this paper, grinding mount surface topography is simulated by the fractal theory; contact and clamp FEM model is established; four parameters are proposed to present non-uniform clamping force; the mathematical model between crystal mechanical performance and the harmonic loss is established; and finally the impact of clamping force and gravity on the harmonic loss is obtained. The calculation results have guiding significance on the design of clamping force magnitude and configuration and crystal working gesture.
Document Type会议论文
Affiliation1.School of Mechanical Engineering, Harbin Institute of Technology, Harbin 150001, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
Recommended Citation
GB/T 7714
Wang, Heran,Liu HT,Liang YC. Impact analysis of the force environment on the KDP crystal harmonic loss considering the frame surface topography[C]. Zurich-Durnten, Switzerland:Trans Tech Publications Ltd,2014:35-41.
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