Heterodyne Wide Band Coherent Light Link Design with External Modulator 外调制宽带外差光相干传输链路的构建
This paper present optical false heterodyne method. It's modulator of phase is constructed by LN crystal in Michelson's interferometer. 本文报导光学赝外差方法,它是利用LN晶体放置在迈克尔逊干涉仪的参考臂中做电光相位调制。
Characteristics of Q-switched CO_2 Short-pulse Heterodyne Signal with CdTe Electrooptic Modulator 腔内CdTe电光调QCO2窄脉冲激光外差信号特性分析
In this paper, the noise equivalant power ( NEP) of optical heterodyne system has been measured with a method based on acousto-optici germanium 'crystal modulator working at Bragg diffraction mode as a frequency shifting device in heterodyne system. 本文介绍了利用工作于Bragg衍射的Ge晶体声光调制器作为外差系统中的频移器来测量外差系统的噪声等效功率(NEP)的方法。