Post-polishing VPH gratings for improved wavefront performance

被引：5
|
作者：
Barden, SC [1 ]
Camacho, A [1 ]
Yarborough, H [1 ]
机构：
[1] Natl Opt Astron Observatories, Tucson, AZ 85719 USA
来源：
SPECIALIZED OPTICAL DEVELOPMENTS IN ASTRONOMY | 2003年 / 4842卷
关键词：
diffraction gratings; spectrographs; instruments; astronomical spectrographs;
D O I：
10.1117/12.458081
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A post-polishing experiment was conducted to see if the wavefront performance of a volume-phase holographic grating with thin substrates could be improved. The ability to postpolish the grating assembly after production of the grating could lead to much improved imaging performance. The ability to use lower quality substrates can reduce the upfront cost and risk involved with using high performance substrate units.
引用
收藏
页码：39 / 42
页数：4
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