• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Optical Design and Testing II pt.1 >A Radial Shearing Interference system of Testing Laser Pulse Wavefront Distortion and the Original Wavefront Reconstructing
【24h】

A Radial Shearing Interference system of Testing Laser Pulse Wavefront Distortion and the Original Wavefront Reconstructing

机译：测试激光脉冲波前畸变和原始波前重构的径向剪切干涉系统

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

It is an important part to measure the distortion and divergence of laser pulse wavefront in ICF (Inertial Confinement Fusion). The paper described a radial shearing interference system with spatial phase modulation. It can be used for testing the wavefront distortion and control the beam quality. Because it is a cyclical common path interference system and no any reference surface, both radial sheared wavefront are formed by a Galilean optical system. A 512 x 512 pixels CCD camera recorded interference pattern. The wavefront reconstructed is finished by means of optical information processing method and software. The software procedure consists of the Fourier transform, shifting frequency, inverse Fourier transform, unwrapping 2π and wave iterations reconstructed. The interferometer has been used for testing a wavefront distortion of laser pulse with 1064nm near-infrared wavelength and 10 ns pulse time width. Results of the pulse wavefront quality and distribution of energy can be displayed by a perfect software procedure. Diameter of beam be measured is up to 150 mm. The testing precision of RMS(root-mean-square) is better than 1/15 wavelength.
机译：测量ICF（惯性约束聚变）中激光脉冲波前的畸变和发散是重要的部分。该论文描述了一种具有空间相位调制的径向剪切干涉系统。它可以用于测试波前畸变并控制光束质量。因为它是周期性的公共路径干涉系统，并且没有任何参考面，所以两个径向剪切波前都是由伽利略光学系统形成的。 512 x 512像素CCD摄像机记录的干涉图样。借助光信息处理方法和软件完成波前重构。软件过程包括傅立叶变换，频移，傅立叶逆变换，展开2π和重构波形迭代。干涉仪已经用于测试具有1064nm近红外波长和10 ns脉冲时间宽度的激光脉冲的波前畸变。脉冲波前质量和能量分布的结果可以通过完善的软件程序显示出来。被测光束直径最大为150 mm。 RMS（均方根）的测试精度优于1/15波长。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号