Angle metrology of dispersion prisms

被引:0
|
作者
Estler, W.T. [1 ]
Queen, Y.H. [1 ]
机构
[1] Precision Engineering Division, Natl. Inst. of Std. and Technology, Gaithersburg, MD, United States
关键词
Angle measurement - Calibration - Electromagnetic dispersion - Optical collimators - Refractive index;
D O I
10.1016/S0007-8506(07)62978-3
中图分类号
学科分类号
摘要
We present a new technique for calibrating the apex angles of dispersion prisms, which are used in the measurement of the index of refraction of optical glasses. The new method requires only a phase measuring interferometer, together with an electronic autocollimator, and eliminates the need for a rotary or indexing table. The apex angles of a nominally equilateral prism of fused silica were measured and the results compare favorably with a traditional calibration using an indexing table comparator.
引用
收藏
页码:415 / 418
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