Interferometer with bismuth silicon oxide crystal for vibration measurement

Zhang Bin; Feng Qibo; Liang Yunfeng

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Interferometer with bismuth silicon oxide crystal for vibration measurement

机译：Interferometer with bismuth silicon oxide crystal for vibration measurement

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摘要

We present a small-amplitude, high-frequency vibration measurement system. This system is based on the reflective holographic grating in a crystal of bismuth silicon oxide without applying an external electric field. A quarter-wave plate is applied in the reference beam path, with a polarizer after the crystal, to fulfill the quadrature condition when no electric field is applied to the crystal. A reflection configuration is used to obtain a good overlapping of the interference beams, which increases the beam coupling. The factors that affect the diffraction efficiency, including the signal-to-reference-beam intensity ratio and the recording angle, has been investigated. The experimental results coincide with the theoretical results, and the optimal conditions are obtained. The results of comparisons of our system with the vibrometer TEMPO show that the nanometer vibrations of a piezoelectric transducer can be reliably detected. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE).

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来源
《Optical Engineering》 |2016年第9期|091406-1-091406-5|共5页
作者
Zhang Bin; Feng Qibo; Liang Yunfeng;
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作者单位

Beijing Jiaotong Univ, Minist Educ, Key Lab Luminescence & Opt Informat, 3 Shangyuancun, Beijing 100044, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;光学仪器;
关键词
vibration measurement; bismuth silicon oxide crystal; reflective holographic grating; diffraction efficiency;

Interferometer with bismuth silicon oxide crystal for vibration measurement

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