Optical Sensors - Photo Detectors - CdS Cells
Optical Sensors - Photo Detectors - CdS Cells are a kind of photosensitive element based on cadmium sulfide (CdS) material, integrated in Optical Sensors for converting optical signals into electrical signals. The unit is composed of a CdS semiconductor layer, an electrode and a protective layer, and its design principle is based on the photoelectric effect, that is, under the light, the resistivity of the CdS material changes, resulting in a current. The device has high sensitivity, wide spectral response range and good stability, and is especially suitable for the detection of visible light and near infrared light region.
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Optical Sensors - Photo Detectors - CdS Cells: Optical Sensors - Photo Detectors - CdS Cells are widely used in automatic control systems, environmental monitoring, photoelectric measurement and optical communication. In the automatic control system, it is used as a light detection element to achieve automatic dimming, automatic switching and other functions; In terms of environmental monitoring, parameters such as light intensity and sunshine duration can be monitored; In photoelectric measurement, it is used to measure optical power, light intensity distribution, etc. In addition, in the optical communication system, it also plays an important role in the reception and conversion of optical signals to improve the sensitivity and stability of the communication system.