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罗伯特与拉根伯克介绍一种测定和评价大圆盘玻璃均匀性的方法。一个推广改进的方法大大地减少了必须的检验时间。采用图1所示的准直器检验装置。这个测试设备是由一个抛物面镜、垂直方向折叠的平面镜,一个自准用平面镜、一台泰曼-格林干涉仪,和一个输出功率为3毫瓦的激光器组成。詖测试的光学另件装在一个隔离环境影响的管子里,激光干涉仪位于管子结构外。光线通过干涉仪在该干涉仪的物镜前
Robert and Lagen Burke introduce a method to determine and evaluate the uniformity of large disc glass. A method of promoting improvement greatly reduces the necessary inspection time. The collimator inspection apparatus shown in FIG. 1 was used. The test rig consisted of a parabolic mirror, a vertically folded mirror, a self-aligning plane mirror, a Tehran-Green interferometer, and a laser with an output of 3 milliwatts.詖 The optical components of the test are housed in a tube that is isolated from the environment and the laser interferometer is located outside the tube structure. Light passes through the interferometer before the objective of the interferometer