Infrared detector is a device which can change the infrared radiation signal into electrical signal output ,infrared radiation is wavelength between visible light and microwave electromagnetic wave, imperceptibly to the human eye.To detect the presence of the radiation and measured its strength, must transform it into can detect and measure the other physical quantities.Generally speaking, any effect caused by infrared radiation exposure objects, as long as the effect can be measured and sensitive enough, both can be used to measure the strength of the infrared radiation.Modern infrared detector is mainly used by the infrared thermal effect and the photoelectric effect.These effects mainly in the output of the battery, or available appropriate method into electricity.
The detection sensor is the major application of our optical filters. Rising EO'sfilters are design from UV to IR wavelength. Apply in night vision, liquid test and so on
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