Infrared Detectors

 Infrared (IR) detectors are essential components in modern sensor technology, widely used in various applications ranging from security systems to automation. They operate by detecting infrared radiation, which is a type of electromagnetic radiation with wavelengths longer than visible light. This article explores the workings, applications, and various types of IR detectors. 

What is a Sensor? 

A sensor is a device that detects and responds to various types of input from the physical environment. These inputs can include light, heat, motion, moisture, pressure, or other environmental phenomena. Sensors convert these inputs into electrical signals, which can then be read and interpreted by electronic devices, enabling them to perform functions such as monitoring, controlling, or recording changes in the environment.




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