Light Sensors; a Passive Device That Converts the Light Energy into an Electrical Energy

Light Sensors
Light Sensors

Light Sensors (also called photosensors) are a type of photodetector that detect light. Different types of photosensors can be used to measure illuminance, respond to changes in the amount of light received, or convert light to electricity. The sensor detects the amount of light energy generated by the light source and convert that energy (photons) (that can range from the infra-red to ultraviolet spectrum) into electronic signal (electrons) by imitating how human eyes respond under variety of lighting conditions.

Photosensors detect the level of light emitted by an object and measure the measured intensity of that light. These sensors not only help the user every day by detecting lighting, responding to changes in lighting and other objects. Many people even use Light Sensors Market as motion detectors in lightsabers, robots, and more. The most common photosensors available are ultrasonic and infrared ones. Sensors are quite popular and differ mainly in their functionality. Light sensor can do a variety of things depending on the sensor's functionality.

Photosensors are electronic devices indicate the intensity of daylight or artificial light, and thus they have several uses in industrial and everyday consumer applications. Photosensors generates output signal that reflects the intensity of light by measuring the radiant energy which basically present in a very narrow range of frequencies called light, and which ranges in frequency from visible to infra-red to ultraviolet light spectrum. The performance of a light sensor ranges from 50lux in dim light to over 10000lux in noon.

Light Sensors are widely used in the automatic brightness control in mobile, automatic street light systems, and security devices in both home and offices, which helps minimize the power consumption of the devices. Thus, there is increase in demand for photosensors across consumer electronics. Rika Sensors provides light sensor products that are selling well in United States, Japan, Germany, Turkey, Arabic, Korea, Russia, Italy, and India, among others.

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