发明名称 |
Laser beam irradiation device with changeable spreading angle |
摘要 |
<p>A laser beam irradiation device, comprising a light source for emitting a laser beam, a cylindrical lens, an optical system for entering the laser beam to the cylindrical lens perpendicularly with respect to a center line of the cylindrical lens, and a luminous flux rotating means for rotating the incident laser beam around an optical axis of the laser beam.</p> |
申请公布号 |
EP1248137(B1) |
申请公布日期 |
2007.01.10 |
申请号 |
EP20020252134 |
申请日期 |
2002.03.25 |
申请人 |
KABUSHIKI KAISHA TOPCON |
发明人 |
OHTOMO, FUMIO;KODAIRA, JUN-ICHI |
分类号 |
G02B27/09;G01C15/00;H01S3/00 |
主分类号 |
G02B27/09 |
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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