发明名称 |
Spectrometer |
摘要 |
A spectrometer is disclosed, in which plural entrance slits are mounted, and a reference light passing through one entrance slit and the light to be measured passing through the other entrance slit are simultaneously focused on a photo-sensitive surface of a detector through a diffraction grating and a focusing optical system, to measure the wavelength of the light to be measured precisely by using the reference light as a standard.
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申请公布号 |
US4983039(A) |
申请公布日期 |
1991.01.08 |
申请号 |
US19890370034 |
申请日期 |
1989.06.22 |
申请人 |
HITACHI, LTD. |
发明人 |
HARADA, TATSUO;KUROSAKI, TOSHIEI;KITA, TOSHIAKI;TERASAWA, TSUNEO |
分类号 |
G01J3/18;G01J3/00;G01J3/04;G01J3/28;G01J3/30;G01J3/443;G01J9/00;G03F7/20;H01S3/137;H01S3/225 |
主分类号 |
G01J3/18 |
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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