• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国政府科技报告 >Light-Scattering Characteristics of Optical Surfaces
【24h】

Light-Scattering Characteristics of Optical Surfaces

机译：光学表面的光散射特性

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

An investigation of the relationship between surface microstructure and radiant energy scattering has been conducted. Light scattering from optical surfaces is treated as a diffraction process in which the pupil function has random phase variations in addition to any existing amplitude variations. A new theory of surface scatter phenomena has been formulated by utilizing the same Fourier techniques that have proven so successful in the area of image formation. An analytical expression has been obtained for a surface transfer function which relates the surface micro-roughness to the scattered distribution of radiation from that surface. The existence of such a transfer function implies a shift-invariant scattering function which does not change shape with the angle of the incident beam. This result greatly reduces the quantity of data required to completely characterize the scattering properties of a surface. For a large class of well-behaved surfaces this transfer function is described in terms of only the rms surface roughness and the surface autocovariance function. It thus provides a straightforward solution to the inverse scattering problem (i.e., determining surface characteristics from scattered light measurements). Once the surface charcteristics are known, the same theory provides an equally simple method of predicting the wavelength dependence of the scattered light distribution. An extensive experimental program has accompanied this theoretical development.

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