Method for the measurement of retardation of wave plates based on laser frequency-splitting technology

Yi Zhang; Shulian Zhang; Yanmei HanYan LiXiaonan Xu

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Method for the measurement of retardation of wave plates based on laser frequency-splitting technology

机译：基于激光分频技术的波片延迟测量方法

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摘要

A method with high precision for measurement of optical retardation angles of wave plates is presented, based on laser birefringent longitudinal-mode-splitting technology. When a wave plate is placed in the laser cavity, a laser longitudinal mode will be split into two modes because of the birefnngence of the wave plate. The optical retardation angle of the wave plate is proportional to the ratio of the frequency difference between the two modes to the laser longitudinal-mode interval. The retardation angle can be determined by measuring these two frequencies. The method uses a compact setup and attains high resolution and accuracy. The error is less than 8 arcmin. The paper discusses a crystal quarter-wave plate at 632.8-nm wavelength as an example, but the method is suited for other laser wavelengths and wave plates.

机译：提出了一种基于激光双折射纵模分裂技术的高精度波片光学延迟角测量方法。当波片放置在激光腔中时，由于波片的双折射，激光纵模会分裂为两种模式。波片的光学延迟角与两种模态的频率差与激光纵模间隔的比值成正比。通过测量这两个频率可以确定延迟角。该方法使用紧凑的设置，并获得高分辨率和准确性。误差小于 8 arcmin。本文以波长为632.8 nm的晶体四分之一波片为例，但该方法适用于其他波长和波片。

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来源
《Optical Engineering》 |2001年第6期|1071-1075|共5页
作者
Yi Zhang; Shulian Zhang; Yanmei HanYan LiXiaonan Xu;
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作者单位

sychol.ucl.ac.uk;

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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
中图分类光学仪器;
关键词
Optical retardation angle; Wave plate; Laser birefringent longitudinal-mode splitting;

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3. Measurement of retardations of arbitrary wave plates by laser frequency splitting [J] . Xiao-bin Zong, Wei-xin Liu, Shu-lian Zhang Optical Engineering . 2006,第3期

机译：Measurement of retardations of arbitrary wave plates by laser frequency splitting
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Method for the measurement of retardation of wave plates based on laser frequency-splitting technology

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