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What is optoelectronics

OptoelectronicsUsing light wave instead of radio wave as information carrier to realize light emissi

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Optoelectronics

Using light wave instead of radio wave as information carrier to realize light emission, control, measurement and display. Generally, almost all traditional electronic concepts, theories and technologies related to radio frequency, such as amplification, oscillation, frequency doubling, frequency division, modulation, information processing, communication, radar and computer, can be extended to the optical band in principle. In the field of laser, laser provides coherent electromagnetic oscillation source of optical frequency. Optoelectronics refers to optical frequency electronics. Optoelectronics sometimes refers in a narrow sense to the field of optoelectronic converters and their applications. Optoelectronics also includes photoelectron spectroscopy, which uses the information brought by photoelectron emission to study the composition and electronic structure of the interior and surface of solids. The development of Optoelectronics and its systems depends on the development of optical electrical and electro-optical conversion, optical transmission, processing and storage technologies. The key is optoelectronic devices. Optoelectronic devices mainly include light sources (semiconductor light emitting diodes, semiconductor lasers, etc.) as information carriers, radiation detectors (various optical electrical and optical optical converters), components for control and processing (various mirrors, lenses, prisms, beam separators, light filters, gratings, polarizers, choppers, electro-optical crystals, liquid crystals, etc.) Optical fibers (one-dimensional information transmission optical fiber waveguide, two-dimensional image transmission optical fiber bundle, optical energy transmission optical fiber bundle, optical fiber sensor, etc.) and various display and imaging devices (low-voltage fluorescent tubes, electron beam tubes, incandescent bulbs, light-emitting diodes, electroluminescent screens, plasma and liquid crystal display devices, etc.). Combining various components in various possible ways can form various optoelectronic systems with great application value, such as optical communication system, television system, low light level night vision system, etc.

A new technical discipline formed by the combination of Optics and electronics. The electromagnetic wave range includes X-ray, ultraviolet, visible light and infrared. It involves converting these radiated optical images, signals or energy into electrical signals or energy, and processing or transmission; Sometimes, the electrical signal is converted into optical signal or optical image. It uses light wave instead of radio wave as information carrier to realize light emission, control, measurement and display. Generally, almost all traditional electronic concepts, theories and technologies related to radio frequency, such as amplification, oscillation, frequency doubling, frequency division, modulation, information processing, communication, radar and computer, can be extended to the optical band in principle. In the field of laser, laser provides coherent electromagnetic oscillation source of optical frequency. Optoelectronics refers to optical frequency electronics. Optoelectronics sometimes refers to the field of optoelectronic converters and their applications in a narrow sense. Optoelectronics also includes photoelectron spectroscopy. It uses the information from photoelectron emission to study the composition and electronic structure of solid interior and surface, such as X-ray photoelectron spectroscopy and ultraviolet photoelectron spectroscopy.


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