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自混合干涉模型中的参数分析和实验研究 被引量：1

Measurement parameter analysis and experimental study of LD self-mixing system
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摘要 针对含有光反馈的半导体激光器,在外腔波动的条件下,研究了半导体激光器的自混合干涉系统模型中的重要参数通过计算机仿真分析,讨论了线宽展宽因子和反馈水平因子两个参数的变化对光反馈自混合干涉信号波形的影响规律。同时给出了利用自混合干涉测量外腔物体位移的一种实验方法,并进行了相应的实验研究。该位移测量系统的分辨率可达无光反馈存在情况下激光器波长的一半。 The optical feedback self-mixing interference model is studied under the condition of external cavity vibration. How the parameters of the model influence the self-mixing interference signal is analyzed based on the simulation results. An experimental method using self-mixing interference for displacement measurement is proposed. The resolution of this displacement measurement system can be up to a half of the wavelength of the laser without optical feedback.
作者 张玉燕 王玉田 刘辉 吴希军
机构地区 燕山大学电气工程学院
出处 《仪器仪表学报》 EI CAS CSCD 北大核心 2008年第3期610-613,共4页 Chinese Journal of Scientific Instrument
关键词 光反馈 自混合干涉 线宽展宽因子 反馈水平因子 位移 optical feedback self-mixing interference linewidth enhancement factor feedback level factor distance measurement
分类号 TN248.4 [电子电信—物理电子学]
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仪器仪表学报
2008年 第3期

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