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What is the function of infrared sensors?

1 Answers

DeBennett

07/30/25 10:53am

Infrared sensors have the following functions: they can perceive certain characteristics of the surrounding environment. An infrared sensor is a type of sensor that uses infrared rays for data processing, with advantages such as high sensitivity. Infrared sensors can control the operation of driving devices and are also known as infrared light, possessing properties such as reflection, refraction, scattering, interference, and absorption. They consist of an optical system, detection elements, and conversion circuits. The optical system can be divided into two types based on structure: transmission and reflection. Detection elements can be categorized into thermal detection elements and photoelectric detection elements based on their working principles. Infrared sensors are commonly used for non-contact temperature measurement, gas composition analysis, and non-destructive testing, and are widely applied in fields such as medicine, military, space technology, and environmental engineering.

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