Invention Grant
- Patent Title: Method of focusing the horizontal and vertical components from an echelle grating
- Patent Title (中): 聚焦水平和垂直分量的方法
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Application No.: US3658424DApplication Date: 1971-01-14
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Publication No.: US3658424APublication Date: 1972-04-25
- Inventor: ELLIOTT WILLIAM G
- Applicant: SPECTRA METRICS INC
- Assignee: Spectra Metrics Inc
- Current Assignee: Spectra Metrics Inc
- Priority: US10650071 1971-01-14
- Main IPC: G01J3/00
- IPC: G01J3/00 ; G01J3/06 ; G01J3/12 ; G01J3/14 ; G01J3/18 ; G01J3/02
Abstract:
A method for focusing the horizontal and vertical components of energy reflected from an echelle grating which includes rotating the grating about a first axis substantially parallel to a prism face and rotating the grating about a second axis substantially normal to the first axis.
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