基于迈克尔逊干涉仪的激光热透镜测量

2020 5th International Conference on Mechanical, Control and Computer Engineering (ICMCCE) Pub Date : 2020-12-01 DOI:10.1109/ICMCCE51767.2020.00148

Lei Qi, Jin H. Huang, Shuyun Zhan, Weici Liu, Hongjie Zhu, Yuwang Liu

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引用次数: 0

摘要

本文实现了一种基于迈克尔逊干涉仪产生的等倾角干涉条纹的激光热透镜测量装置。在本实验中，由于稀释后的油墨样品具有良好的吸热性能，可以观察到低功率激光的热效应。实验结果表明，在无介质条件下，明暗环各有6个。随着墨样浓度的增加，暗环的数量也在变化，且间距相对较大。因此，通过调节装置可以观察到激光的热透镜效应。计算了热透镜的焦距。该装置在研究激光热透镜效应和介质吸收方面具有很高的应用价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Laser thermal lens measurement based on Michelson interferometer

In this paper, a laser thermal lens measuring device which is based on equal inclination interference fringes produced by Michelson interferometer is realized. In this experiment, the thermal effect of low power laser can be observed as the ink sample after dilution has good endothermic properties. The experimental results show that the number of bright and dark rings is 6 in the absence of medium. With the increase of the concentration of the ink sample, the number of dark rings is also changing, and the spacing is relatively larger. Therefore, the thermal lens effect of laser can be observed by adjusting device. The focal length of the thermal lens is also calculated. The device has high application value in the study of laser thermal lens effect and medium absorption.

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来源期刊

2020 5th International Conference on Mechanical, Control and Computer Engineering (ICMCCE)

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