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optoelectronics
Optoelectronics is the study and application of electronic devices that source, detect and control light, usually considered a sub-field of photonics. In this context, ''light'' often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in addition to visible light. Optoelectronic devices are electrical-to-optical or optical-to-electrical transducers, or instruments that use such devices in their operation.
''Electro-optics'' is often erroneously used as a synonym, but is a wider branch of physics that concerns all interactions between light and electric fields, whether or not they form part of an electronic device.
Optoelectronics is based on the quantum mechanical effects of light on electronic materials, especially semiconductors, sometimes in the presence of electric fields.〔(''Physics and Technology - Vishay Optoelectronics'' )〕
* Photoelectric or photovoltaic effect, used in:
*
* photodiodes (including solar cells)
*
* phototransistors
*
* photomultipliers
*
* optoisolators
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* integrated optical circuit (IOC) elements
* Photoconductivity, used in:
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* photoresistors
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* photoconductive camera tubes
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* charge-coupled imaging devices
* Stimulated emission, used in:
*
* injection laser diodes
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* quantum cascade lasers
* Lossev effect, or radiative recombination, used in:
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* light-emitting diodes or LED
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* OLEDs
* Photoemissivity, used in
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* photoemissive camera tube
Important applications〔(''Optocoupler Application Examples'' )〕 of optoelectronics include:
* Optocoupler
* Optical fiber communications
== See also ==
* Interconnect bottleneck
* Non-radiative life time
* OECC (OptoElectronics and Communications Conference)
* Optical amplifier
* Optical communication
* Optical fiber
* Optical interconnect
* Parallel optical interface
* Photoemission
* Photoemission spectroscopy
* Photovoltaic effect
* Stimulated emission
* Liquid Crystal Display
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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