An optoelectronic detection system based on the optical feedback effect in a direct frequency modulated laser diode is developed.

设计并研制了一套基于光反馈效应的直接频率调制激光二极管光电探测系统。

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Study on theoretical models of laser self-mixing interference based on optical feedback effect is made in terms of weak optical feedback condition.

文章针对弱光反馈情形，对基于光反馈效应的激光自混合干涉模型进行了探讨。

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By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.

分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移和速度的理论模型。

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