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首页> 外文会议>ICO20: Optical Devices and Instruments >A novel method of measuring convex aspheric lens using Hologram Optical Elements
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A novel method of measuring convex aspheric lens using Hologram Optical Elements

机译：利用全息光学元件测量凸面非球面透镜的新方法

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In order to simplify the complexity and improve the accuracy of convex aspheric lens testing, a novel method is proposed in this paper. In this method, convex aspheric lens is tested in transmitted light at the design wavelength by means of a Mach-Zehnder interferometer. Lens under test and its collimating lens are situated in one arm of Mach-Zehnder interferometer, Hologram Optical Elements (HOEs) acting as the compensator is placed in the proper position in another arm of interferometer. The principle of this setup is analyzed. The design and manufacture of HOEs and spatial filter used in this method are described in detail. In comparison with other methods, the advantages using this method are: (1) complex compensation lenses are not required any more, which simplifies the compensating structure and decreases the costs of measurement, (2) HOEs is easier to be fabricated. A convex-plane aspheric lens as an example is experimented.
机译：为了简化复杂度并提高凸面非球面透镜测试的准确性，提出了一种新的方法。在这种方法中，借助马赫曾德尔干涉仪在设计波长的透射光下测试凸面非球面透镜。被测透镜及其准直透镜位于Mach-Zehnder干涉仪的一个臂中，用作补偿器的全息光学元件（HOE）放置在干涉仪的另一臂中的正确位置。分析了此设置的原理。详细介绍了此方法中使用的HOE和空间滤波器的设计和制造。与其他方法相比，该方法的优点是：（1）不再需要复杂的补偿镜，简化了补偿结构，降低了测量成本；（2）HOE易于制造。以凸面非球面透镜为例进行了实验。

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