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。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
We present a signal_processing system developed for enhancing the sensitivity of absorption measurement based on tunable diode laser wavelength modulation spectroscopy.
基于可调谐半导体激光吸收光谱，提出了一种新的信号处理方法用于提高吸收光谱测量的灵敏度。
Due to the excellent modulation characteristics of laser diode (LD), the infused current of the LD is modulated to make the intensity of the laser beam change with the modulation signal.
本文利用半导体激光器良好的调制特性，对其注入电流进行调制，使激光器输出光强随调制信号变化。
A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.
传感器利用注入结电流直接调频的半导体激光(LD)产生外差干涉，从而实现了干涉相位的线性检测。
This paper presents a simulative method to solve the frequency response of single quantum well laser diode under small signal modulation.
文中运用三层速率模型，对小信号调制下单量子阱激光器的频率响应进行模拟分析。
The design of a laser diode(LD) driver that can generate multi-waveforms for the modulation of drive current was present in this paper.
设计了一种能对输出电流实现多种波形调制的半导体激光二极管（LD）驱动电源。
It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
The temporal coherence of diode laser was studied by using linear frequency modulation technique with simple, experimental apparatus.
利用半导体激光器线性调频技术，研究了半导体激光器的时间相干性。其实验装置结构简单。
A kind of distributed feedback (DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television (AMCATV) transmitter.
开发了一种用于光纤公用天线电视(CATV)的分布反馈激光二极管组件。
A kind of distributed feedback (DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television (AMCATV) transmitter.
开发了一种用于光纤公用天线电视(CATV)的分布反馈激光二极管组件。
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