Measuring the angles and pyramidal error of high-precision prisms

被引：3
|
作者：
JaramilloNunez, A
RobledoSanchez, C
机构：
[1] Inst. Nac. Astrofis., Optica E., Puebla, 72000
[2] Inst. Nac. Astrofis., Optica E.
来源：
OPTICAL ENGINEERING | 1997年 / 36卷 / 10期
关键词：
angle metrology; prisms; optical tolerancing; interferometry;
D O I：
10.1117/1.601516
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The use of a Twyman-Green interferometer to measure the wedge angles and pyramidal error of high-precision optical prisms is described. The method allows these parameters to be determined independently or in combination. Prism angles are measured with the aid of a reference flat attached to a goniometer mounting. The pyramidal error is obtained by measuring the period of interferogram fringe pattern. Prism angles up to 25 deg have been measured with a standard deviation of 3 arcsec. (C) 1997 Society of Photo-Optical instrumentation Engineers.
引用
收藏
页码：2868 / 2871
页数：4
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