Dual-channel optical phase measurement system for improved precision

Ruey-Ching Twu; Hao-Yang Hong; Hsuan-Hsien Lee

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Dual-channel optical phase measurement system for improved precision

机译：双通道光学相位测量系统可提高精度

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Developments and applications of a dual-channel phase measurement system are being proposed and experimentally studied by utilizing an optical homodyne technique. In this measurement system, the phase modulation was adopted by using a near-stable Zn-indiffused lithium niobate phase modulator. The proposed method was successfully applied on the simultaneous measurements of the phase-retardation difference between a transmitted light and a reflected light after passing through a nonpolarization beam splitter. The measured stability of the phase-retardation difference was approximately 0.0013 rad.

机译：提出了双通道相位测量系统的开发和应用，并利用光学零差技术进行了实验研究。在该测量系统中，通过使用近稳定的Zn扩散铌酸锂相位调制器来采用相位调制。所提出的方法成功地应用于同时测量通过非偏振分束器的透射光和反射光之间的相位延迟差。测得的相位延迟差的稳定性约为0.0013 rad。

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《Optics Letters》 |2008年第21期|共3页
作者
Ruey-Ching Twu; Hao-Yang Hong; Hsuan-Hsien Lee;
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正文语种 eng
中图分类光学;
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Dual-channel optical phase measurement system for improved precision

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