基于强度传递方程的球面曲率半径的测量

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-12-01 DOI:10.18287/2412-6179-co-1159

N. Stsepuro, M. Kovalev, G. Krasin, I. Gritsenko, A. V. Bobkov, S. I. Kudryashov

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引用次数: 0

摘要

强度输运方程提供了一种新的非干涉和非迭代的方法，通过测量光的强度分布来获得有关光波相位的定量信息。该方程可用于球面光学测试中简单而精确的空间相位测量。该方法只需要一个CMOS相机，它可以记录几个平面上的横向场强分布。用专门的软件处理实验测量，可以高精度地重建被测球面的曲率半径值。将该方法与干涉仪的测量结果进行了比较，结果表明，表面曲率半径值的差异在0.01%或更小，结果吻合良好。

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Measurement of the radius of curvature of a spherical surface based on the transport-of-intensity equation

The transport-of-intensity equation provides a new non-interferometric and non-iterative access to quantitative information about the phase of a light wave by measuring intensity distributions. This equation can be used to implement a simple and accurate spatial phase measurement for optical testing of spherical surfaces. The method requires only a CMOS camera, which records transverse field intensity distributions in several planes. Processing of experimental measurements with specialized software allows one to reconstruct the value of the radius of curvature of the spherical surface under test with high accuracy. The method is compared with measurements made by an interferometer, showing the difference between the values of the surface radius of curvature to be 0.01 % or less and indicating good agreement of the results.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.