Advanced Semiconducting Materials and Devices by K.M. Gupta & Nishu Gupta

Author:K.M. Gupta & Nishu Gupta
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

9.1 Introduction to Optoelectronic Devices

The devices, based on the technology which combines optics and electronics, are known as optoelectronic devices. The optoelectronic device convert optical energy into electrical energy and vice versa. Therefore, these devices can be classified into following two main categories: 1. Sensors: The devices that convert optical radiation into electrical energy are known as sensors. The mechanism of converting optical radiation into electrical energy is known as photovoltaic effect. The devices are also known as lightsensitive devices. Two important devices based on photovoltaic effect are solar cell and photodiode. Light sensitive devices also include light sensitive resistors which have optosensitive resistivity.

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