发明授权
US5914814A Telecentric laser beam optical focusing system of two diffractive
optical elements
失效
两个衍射光学元件的远心激光束光学聚焦系统
- 专利标题： Telecentric laser beam optical focusing system of two diffractive optical elements
- 专利标题（中）： 两个衍射光学元件的远心激光束光学聚焦系统
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申请号： US882976申请日： 1997-06-26
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公开(公告)号： US5914814A公开(公告)日： 1999-06-22
- 发明人: Anthony Ang
- 申请人： Anthony Ang
- 申请人地址： CT Stamford
- 专利权人： Xerox Corporation
- 当前专利权人： Xerox Corporation
- 当前专利权人地址： CT Stamford
- 主分类号： G02B5/18
- IPC分类号： G02B5/18 ; G02B27/44
摘要：
A telecentric laser beam optical focusing system consists of two diffractive optical elements. The optical system has a spot size of less than one micron and a Strehl ratio of over 0.9 with a f/number of one and a total object/image field of 0.5 micron.
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