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。
2
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。
3
Methods In situ single pass perfusion model was used and the concentrations of three components in perfusate were determined by HPLC in combination with diode array detection.