LIF：光干扰滤波器

“光干扰滤波器”（Light Interference Filter）在专业领域常简写为LIF，以方便书写和使用。这一术语多见于机构报告和军事相关文档中，用于描述一种能够有效滤除或抑制特定波长光干扰的光学器件，在通信、侦测和光电对抗系统中具有重要应用价值。

In order to effectively separate the fluorescence produced by algae chlorophyll-a and the scatting light from the excitation light, the interference filter with high block coefficient and narrow band is used as spectral filter.
为了有效分离叶绿素a所产生的荧光和激发光的散射光，采用高阻塞系数的干涉滤光片作为光谱滤光。
The principle and characteristic of excited light source, interference optical filter, transmission optical fiber and optical detector are discussed.
论述激发光源、干涉滤光片、传输光纤、光探测器的原理及特性。
The apparatus is made up of light emitting diode ( LED ), interference filter, lens, opto-electronic transformation detector, microprocessor system.
仪器由LED（LightEmittingdiode）光源、窄带干涉滤光片、菲涅尔透镜、光电转换检测器、单片机系统等组成。
The characteristic of interference filter and the spectral response of all kinds of wavelength of incident light on special PCB ( printed circuit board ) are analyzed, and a method of using interference filter is proposed in improving the efficiency of PCB machine vision inspection.
分析了干涉滤光片的特性和不同波长的入射光在特定印制电路板（简称PCB）中的光谱响应，提出一种利用干涉滤光片提高PCB机器视觉检测效率的方法；

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