发明名称 |
Laser power and energy meter |
摘要 |
A laser power and energy meter has a target surface provided with at least one pin hole for passing a small portion of the laser beam impinging thereon and further has a light detector positioned in the path of the laser light passing through the pin hole. The target surface is moved horizontally and vertically to cause the laser beam to scan the target surface and the center of the laser beam is aligned with the center of the target surface.
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申请公布号 |
US4865446(A) |
申请公布日期 |
1989.09.12 |
申请号 |
US19880167121 |
申请日期 |
1988.03.11 |
申请人 |
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY, MINISTRY OF INTERNATIONAL TRADE |
发明人 |
INOUE, TAKEMI;YOKOSHIMA, ICHIRO |
分类号 |
H01S3/00;G01J1/02;G01J1/04;G01J1/42;G01J1/44 |
主分类号 |
H01S3/00 |
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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