发明名称 |
Telecentric laser beam optical focusing system of two diffractive optical elements |
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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申请公布号 |
US5914814(A) |
申请公布日期 |
1999.06.22 |
申请号 |
US19970882976 |
申请日期 |
1997.06.26 |
申请人 |
XEROX CORPORATION |
发明人 |
ANG, ANTHONY |
分类号 |
G02B5/18;G02B27/44;(IPC1-7):G02B27/44 |
主分类号 |
G02B5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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