Nyyssonen D, Jerke J M
Appl Opt. 1973 Sep 1;12(9):2061-70. doi: 10.1364/AO.12.002061.
A lens-testing system using a simple wavefront shearing interferometer is described. This simple cube interferometer has all the interferometric adjustments built in at manufacture. In contrast to most interferometric test systems, the wavefront shearing interferometer is inexpensive, portable, relatively insensitive to vibration, does not need laser illumination, and requires only a minimum of experimental time and operational expertise. Reading of the interferograms and subsequent data reduction require the major effort in testing with the wavefront shearing interferometer. However, with automatic scanning of the interferograms and a high-speed electronic computer to perform the analysis, the data reduction may be completely automated. Operation of the wavefront shearing interferometer is described together with the method of data reduction. Experimental results are also presented.
描述了一种使用简单波前剪切干涉仪的透镜测试系统。这种简单的立方体型干涉仪在制造时就内置了所有干涉测量调整装置。与大多数干涉测量测试系统不同，波前剪切干涉仪价格低廉、便于携带、对振动相对不敏感、不需要激光照明，并且只需要最少的实验时间和操作专业知识。在使用波前剪切干涉仪进行测试时，读取干涉图和随后的数据处理需要付出主要精力。然而，通过对干涉图进行自动扫描并使用高速电子计算机进行分析，数据处理可以完全自动化。文中介绍了波前剪切干涉仪的操作以及数据处理方法，还给出了实验结果。
