News
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062023-122023-12-06Active intelligent terahertz electro-optic modulator has been successfully developedLast year, the team of Sheng Zhigao, a researcher at the High Magnetic Field Center of the Hefei Institute of Physical Sciences, Chinese Academy of Sciences...
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052023-122023-12-05Basic principle of Optical modulatorLight modulator, used to control the intensity of light, classification of electro-optic, thermooptic, acoustooptic, all optical, basic theory of electro-optic effect.
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292023-112023-11-29Black silicon photodetector record: external quantum efficiency up to 132%According to media reports, researchers at Aalto University have developed an optoelectronic device with an external quantum efficiency of up to 132%.
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282023-112023-11-28What is a photocoupler, how to choose and use a photocoupler?Optocouplers, which connect circuits using optical signals as the medium, are an element active in areas where high precision is indispensable
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212023-112023-11-21The function of optical fiber spectrometerOptical fiber spectrometers usually use optical fiber as a signal coupler, which will be photometric coupled to the spectrometer for spectral analysis.
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202023-112023-11-20What is a cryogenic laserThe concept of lasers operating at low temperatures is not new: the second laser in history was cryogenic. Initially, the concept was difficult to...
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142023-112023-11-14Quantum efficiency of photodetector breaks theoretical limitAccording to the physicists organization network recently reported that Finnish researchers have developed a black silicon photodetector...
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132023-112023-11-13The latest research results of organic photodetectorsResearchers have developed and demonstrated new green light absorbing transparent organic photodetectors that are highly sensitive and compatible with...
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072023-112023-11-07Infrared sensor development momentum is goodAny object with a temperature above absolute zero radiates energy into outer space in the form of infrared light. The sensing technology that uses infrared...
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062023-112023-11-06Laser principle and its applicationLaser refers to the process and instrument of generating collimated, monochromatic, coherent light beams through stimulated radiation amplification...