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本文介绍了一种测量红外光学系统焦距的方法,并以实例分析此法的测量精度,测试达到令人满意的结果,解决了目前红外透镜焦距难以测量的难题。
In this paper, a method of measuring the focal length of infrared optical system is introduced. The measurement precision of this method is analyzed by examples. The satisfactory results are obtained and the difficulty of measuring the focal length of infrared lens is solved.