Most of traditional methods of angular measurement based on a Michelson Interferometer or its modifications have the same principle: the rotation is transformed into an optical path difference (OPD).

传统激光干涉测角方法，大多采用迈克尔逊干涉仪光路或其变形，将角度测量转变为光程测量。

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In this paper, conventional testing methods were summarized. An interferometer was designed based on the schematic of zone-plate with a total optical path for testing aspheric surfaces.

本文针对非球面高精度检测，在总结现有检测方法的基础上，设计了基于波带板干涉法的共光路干涉系统。

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Three methods of detecting submerged object based on Brillouin scattering, high resolution scanning F-P interferometer, edge detection technique and solid F-P etalon-ICCD camera, are introduced.

介绍三种基于布里渊散射的水下目标探测方法：F-P扫描干涉仪探测方法、边缘探测方法、F-P标准具-ICCD探测方法，并对这三种方法进行了分析和比较。

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