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首页> 外文会议>Conference on Interferometry XI: Applications, Jul 10-11, 2002, Seattle, USA >Simple laser interferometers for concave ellipsoidal mirrors testing
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Simple laser interferometers for concave ellipsoidal mirrors testing

机译：简单的激光干涉仪，用于凹椭球面镜测试

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摘要

A simple laser interferometer is proposed. It consists of a small concave mirror, a gas laser, a semitransparent flat mirror, a concave ellipsoidal mirror under test, and a register equipment. Laser beam is reflected by very small concave or convex paraboloidal mirror and then it is directed to the semitransparent flat mirror, and to the mirror under test. The light reflected by the flat mirror is the reference wave, the light reflected by the mirror under test is imperfect wave to be tested. The reference wave and the imperfect wave are recombined to produce a system of fringes in a receiving screen or in a register equipment to obtain useful interferograms. It is possible to test any concave ellipsoidal mirror by properly shifting of the semitransparent flat mirror along the optical axis. The interferometer was successfully manufactured and tested at Crimean Astrophysical Observatory.
机译：提出了一种简单的激光干涉仪。它由一个小的凹面镜，一个气体激光器，一个半透明的平面镜，一个被测凹面椭球镜和一个套准设备组成。激光束被非常小的凹面或凸面抛物面反射镜反射，然后将其导向半透明平面镜和被测镜。平面镜反射的光是参考波，被测镜反射的光是待测的不完美波。将参考波和不完美波重组以在接收屏幕或套准设备中产生条纹​​系统，以获得有用的干涉图。可以通过沿光轴适当移动半透明平面镜来测试任何凹面椭圆形镜。干涉仪已在克里米亚天体物理天文台成功制造和测试。

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