在接收系统中，引进窄带干涉滤光片，减少背景光的干扰，增加信号光透射率，改善信噪比。

In the receiving system, the narrow-band interference filter is introduced in order to reduce the background light, increase the signal transmission rate, and improve the signal-to-noise ratio.

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综述了对窄带干涉滤光片抗激光损伤特性研究的最新进展，归纳讨论了窄带干涉滤光片的抗激光损伤机理。

The current development of laser-induced damage properties of narrow-band interference filters is summarized, and the damage mechanisms of narrow-band interference filters are introduced.

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其中，光学接收系统主要包括光学接收镜头、调制盘、截止滤光片、窄带干涉滤光片、聚焦透镜及光电转换系统等；

In detail, the optical receiving system is mainly composed of optical receiving lens, modulating disk, cut off filter, focusing lens and pyroelectric detector.

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其中，光学接收系统主要包括光学接收镜头、调制盘、截止滤光片、窄带干涉滤光片、聚焦透镜及光电转换系统等；

In detail, the optical receiving system is mainly composed of optical receiving lens, modulating disk, cut off filter, focusing lens and pyroelectric detector.

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