Definition of charge-injection device

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Photonics Dictionary

charge-injection device: A charge-injection device (CID) refers to a class of devices that manipulate and detect electrical charge within a semiconductor material. Charge-coupled devices are a specific implementation of this technology.

Here is a breakdown of the term:

Charge-coupled device: A CCD is a sensor technology used in digital cameras, camcorders, and other imaging devices. It is a type of image sensor that captures and records visual information in the form of electrical charge. CCDs are composed of an array of pixels, each capable of converting light into an electric charge.

Charge-injection device: This term broadly refers to devices that involve the injection and manipulation of electrical charge within a semiconductor. While CCDs are a specific example of a charge-injection device, other technologies, such as charge-injection device (CID) or charge-coupled cell (CCC), fall under this category.

In summary, a charge-injection device, particularly a charge-coupled device (CCD), is a technology used in imaging applications where the conversion of light into electrical charge and its subsequent manipulation are essential for capturing and processing visual information.

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