带有自适应光学系统的ICF装置光束传输程序
Beam propagation code for ICF device with adaptive optics system
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摘要: 以典型的惯性约束聚变（ICF）装置为基础，根据ICF中光传输、光放大和光倍频等原理，建立了一套含自适应光学校正系统的ICF仿真软件。通过比对国内外相应的文献和专业软件的光的线性传播、非线性传播、光的增益、光的倍频等来验证软件仿真的准确性和可靠性。给出了经自适应光学系统校正前后基频光的近场强度和相位分布,3倍频光的近、远场的光强分布，说明自适应光学在提高ICF装置输出光束质量中的作用。该软件的建立将为优化ICF系统中自适应光学的设计提供参考。Abstract: Based on the typical structure of inertial confinement fusion facility and the principles of propagation, amplify and frequency conversion of wave, a beam propagation code for ICF device with adaptive optics system was set up. By comparing the results of light propagating in linear and nonlinear media with those reported in papers at home or abroad, the reliability of this code is validated. One of the examples about the intensity distribution of infrared light and ultraviolet light before and after the correction of adaptive optics was presented to show the effect of adaptive optics in the improvement of output wave from ICF device. The code will help to optimize the design of adaptive optics in ICF device.
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Key words:
- inertial confinement fusion /
- adaptive optics /
- beam propagation code /
- simulation
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