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公开(公告)号:US06549282B1
公开(公告)日:2003-04-15
申请号:US09419794
申请日:1999-10-18
申请人: Blaine D. Johs , Craig M. Herzinger , Ping He , Martin M. Ciphardt
发明人: Blaine D. Johs , Craig M. Herzinger , Ping He , Martin M. Ciphardt
IPC分类号: G01B1106
CPC分类号: G01J3/447 , G01J3/14 , G01N21/211
摘要: Disclosed are ellipsometer and polarimeter systems which have multi-element input and output lenses that demonstrate essentially the same focal length at each wavelength in a spectroscopic range of wavelengths.
摘要翻译: 公开了具有多元素输入和输出透镜的椭偏仪和偏振计系统,其在波长范围内的每个波长处显示出基本上相同的焦距。