Design of a flat-field miniature spectrometer

被引:1
|
作者
Wang, DY [1 ]
Jin, GF [1 ]
Yan, YB [1 ]
Wu, MX [1 ]
机构
[1] Tsing Hua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
关键词
spectrometer; flat-field; concave grating; planar grating;
D O I
10.1117/12.401800
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A method of designing a flat-field planar concave grating for a miniature spectrometer is studied based on the second-order aberration theory. Because of flat-field imaging, the dominating aberration is defocusing. To obtain low defocusing, two steps are applied: first tune the detecting plane, then adjust the groove distribution.
引用
收藏
页码:27 / 30
页数:4
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