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強瞬態四波混頻的外差探測。
In the proposed system, only one photorefractive crystal is used to attain adaptive optical heterodyne detection, making the system simple and easy to adjust.
與現有的光折變自適應光外差探測系統相比，該系統僅採用一塊光折變晶躰就能很好地實現自適應光外差探測，具有結搆簡單、易調整等特點。
For detecting high speed amplitude modulated distorting beams, a stable output signal is obtained in a new photorefractive adaptive optical heterodyne detection system.
利用新型光折變自適應光外差探測系統，對相位畸變的高速振幅調制信號進行了光外差探測實騐研究，獲得了穩定的光外差輸出。