optical heterodyne detection

基本解释

Finally , we have presented a new method of optical heterodyne-detection to study Rayleigy-enhanced transient four wave mixing .
第三部分研究了瑞利型增强瞬态四波混频的外差探测。
In the proposed system, only one photorefractive crystal is used to attain adaptive optical heterodyne detection, making the system simple and easy to adjust.
与现有的光折变自适应光外差探测系统相比，该系统仅采用一块光折变晶体就能很好地实现自适应光外差探测，具有结构简单、易调整等特点。
For detecting high speed amplitude modulated distorting beams, a stable output signal is obtained in a new photorefractive adaptive optical heterodyne detection system.
利用新型光折变自适应光外差探测系统，对相位畸变的高速振幅调制信号进行了光外差探测实验研究，获得了稳定的光外差输出。