Collimation orthopedics of the array laser diode light beam is a traditional optical technical problem.
阵列激光二极管光束的高效准直整形是传统光学技术的难题。
2
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。
3
An optoelectronic detection system based on the optical feedback effect in a direct frequency modulated laser diode is developed.