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Frustrated total internal reflection evanescent switching |
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| Authors: | Yu Zhu Chuanjun Yao Jinbang Chen Rihong Zhu |
| Institution: | a School of Information, East China University of Science and Technology, Shanghai 200237, People's Republic of China b School of Electronic Engineering and Photoelectric Technology, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, People's Republic of China |
| Abstract: | The mechanism of frustrated total internal reflection was analyzed according to the theory of optical film. The transmission and reflection functions were developed and the curves of transmission and reflection changing from the relative gap width d/λ, incident angle θ0, and refraction index n were shown in graphs. We proposed a scheme of experimental device to test the theoretical conclusion. A self-made electronic actuator drove the piezoelectric ceramics of FTIR. Experiments showed that the evanescent of transmission is 80% for He–Ne laser and smaller for YAG laser and Er:glass laser. |
| Keywords: | Frustrated total internal reflection Relative gap Evanescent switching |
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