Fiber-optic Michelson interferometer fixed in a tilted tube for direction-dependent ultrasonic detection
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- 作者：Tingting Gang ; Manli Hu
- 关键词：Fiber-optic Michelson interferometer ; Ultrasonic detection
- 刊名：Optics and Lasers in Engineering
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：88
- 期：Complete
- 页码：60-64
- 全文大小：1441 K
文摘
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- <p id="p0005">A fiber-optic Michelson interferometer is proposed and demonstrated experimentally for ultrasonic detection.p>
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- <p id="p0010">Two arm end-faces of the MI are coated with gold films for improving the reflectivity, and the sensing arm is etched for improving sensitivity.p>
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- <p id="p0015">The signal is detected with high-sensitivity, and the sensor presents strongly direction-dependent ultrasonic sensitivity.p>