silicon photodiode - ορισμός. Τι είναι το silicon photodiode
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Τι (ποιος) είναι silicon photodiode - ορισμός

TYPE OF PHOTODETECTOR BASED ON A P–N JUNCTION
Silicon photodiode; Photo transistor; Phototransistor; Photodiodes; Photo diode; Organic Photodiode; Phototransister; Solar sensor; Photodiode array; Phototransistors; Light sensitive diode; Light-sensitive diode; Photodiode arrays; LEAD (diode); Light-emitting and -absorbing diode; Light emitting and absorbing diode; Light Emitting and Absorbing Diode; OCP71; Internal photoelectric effect; Pinned photodiode; Light Absorbing Diode
  • Electronic symbol for a phototransistor
  • A two-dimensional photodiode array of only 4 × 4 pixels occupies the left side of the first [[optical mouse]] sensor chip, c. 1982.
  • A one-dimensional photodiode array chip with more than 200 diodes in the line across the center
  • load lines]] represent the response of the external circuit: I=(Applied bias voltage-Diode voltage)/Total resistance. The points of intersection with the curves represent the actual current and voltage for a given bias, resistance and illumination.
  • Response of a silicon photo diode vs wavelength of the incident light

Photodiode         
A photodiode is a semiconductor p–n junction device that converts light into an electrical current. The current is generated when photons are absorbed in the photodiode.
phototransistor         
¦ noun a transistor that responds to light striking it by generating and amplifying an electric current.
photodiode         
¦ noun a semiconductor diode which, when exposed to light, generates a potential difference or changes its electrical resistance.

Βικιπαίδεια

Photodiode

A photodiode is a light-sensitive semiconductor diode. It produces current when it absorbs photons.

The package of a photodiode allows light (or infrared or ultraviolet radiation, or X-rays) to reach the sensitive part of the device. The package may include lenses or optical filters. Devices designed for use specially as a photodiode use a PIN junction rather than a p–n junction, to increase the speed of response. Photodiodes usually have a slower response time as their surface area increases. A photodiode is designed to operate in reverse bias. A solar cell used to generate electric solar power is a large area photodiode.

Photodiodes are used in scientific and industrial instruments to measure light intensity, either for its own sake or as a measure of some other property (density of smoke, for example). A photodiode can be used as the receiver of data encoded on an infrared beam, as in household remote controls. Photodiodes can be used to form an optocoupler, allowing transmission of signals between circuits without a direct metallic connection between them, allowing isolation from high voltage differences.