The optical design and performance analysis of a direct vision spectroscope are reported in terms of the dispersion, diffraction and image formation.
根据色散、衍射和成像原理，报道了以全息光栅－棱镜组件为色散元件的直视分光镜的光路设计和性能分析。
Design of wide spectrum low-light-level collimating lens
宽光谱微光准直镜方案设计
The optic fibre cantilever of the sensor is attached with an optic fibre collimating lens so as to improve the optical coupling efficiency.
该传感器的光纤悬臂梁带有光纤微准直透镜 ,提高了光路的光耦合效率 ;接收探头采用双光路差分结构 ,大大提高了传感器灵敏度 ,同时也增强了抗干扰能力。