The paper analyses the energy and signal noise ratio (SNR) with grating to measure passivelaser wavelength in real time, provides the theoretical basis for measurement and error from the method.
从理论上分析了利用光栅实时测量被动入射激光波长的能量分布及信噪比，给出了计算公式及误差分析。
2
In this paper, combining the advantages of active light vision technology and passive light vision technology, an optical system of circular scanning laser vision sensor was developed.
本文结合主动光视觉技术和被动光视觉技术的优点，开发了环形扫描激光视觉传感器的光学系统。
3
This paper overview the research developments of chaos in the (active) laser, the (passive) optical bistability, and the other nonlinear optical systems.