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波前功率谱密度函数评价方法探讨 被引量:6

Discussion of the specific method of power spectral density
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摘要 波前功率谱密度 PSD( Power Spectral Density)能定量给出波前畸变的空间频率分布、限定波纹度和粗糙度指标 ,全面反映 ICF驱动器对高功率激光光学元件加工质量的特殊要求。给出了波前功率谱密度 PSD的定义及计算方法 ,并使用大口径相移干涉仪作为波前检测仪器 ,对光学磷酸盐钕玻璃透射波前进行了测试实验 ,获得波前一维 PSD分布 ,证实功率谱密度为高功率激光光学元件波前参数的一种有效表征方式。同时 ,还对 PSD与均方根 RMS之间的关系进行了初步的讨论。 The wavefront power spectral density (PSD) can give the spatial frequency distribution of wavefront aberration, limit the waviness and the roughness, and specify the large components employed in high power density solid state laser for inertial confinement fusion (ICF). The definition and the calculation of the PSD are given in this article. In experiment, a large phase shifting Fizeau interferometer was used to test the transmissive wavefront of a Nd glass, creating the one dimension wavefront PSD. Same time, relationship between the PSD and the RMS is shown in the paper.
出处 《强激光与粒子束》 EI CAS CSCD 北大核心 2002年第2期279-282,共4页 High Power Laser and Particle Beams
基金 中国工程物理研究院国防预研基金资助课题
关键词 高功率激光驱动器 光元件 波前功率谱密度 PSD ICF 惯性约束聚变 函数评价法 high power laser optical components power spectral density(PSD)
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二级参考文献3

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共引文献35

同被引文献53

  • 1侯晶,许乔,雷向阳,周礼书,张清华,王健.基于Marangoni界面效应的数控化学抛光去除函数的研究[J].强激光与粒子束,2005,17(4):555-558. 被引量:9
  • 2丘悦,钱列加,黄宏一,范滇元,邓锡铭.用消衍射方法改善透镜列阵的辐照均匀性[J].中国激光,1995,22(1):27-31. 被引量:17
  • 3杨华峰,姜宗福.对Zernike模式法重构19单元哈特曼测量波前的研究[J].激光技术,2005,29(5):484-487. 被引量:10
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