(Optoelectronics)
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A three-dimensional single-particle tracking system was combined with an optical trap to investigate the behavior of transmembrane adhesion proteins... (View Full Article)
(Optoelectronics)
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Mechanical-alignment applications of electro-optical instruments have expanded dramatically during the past three years in the construction, machinetool, aircraft and aerospace industries, increasing... (View Full Article)
(Optoelectronics)
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The photodiode used for optical detection of the atomic resonance in a passive rubidium frequency standard (RFS) is a critical component that can limit the radiation hardness of the standard at high... (View Full Article)
(Optoelectronics)
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Although the use of silicon photodetectors for making quantitative light measurements has been long established, there exists a body of other measurement capabilities for such devices, which have gone... (View Full Article)
(Optoelectronics)
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Silicon photodiodes are semiconductor devices responsive to high-energy particles and photons. Photodiodes operate by absorption of photons or charged particles and generate a flow of current in an... (View Full Article)
(Optoelectronics)
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This paper describes an electro-optic displacement measurement system which measures both angular and lateral displacements simultaneously. The system consists of a CW laser, lenses, interference... (View Full Article)
(Optoelectronics)
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The value of the fundamental quality in radiometry, the watt, is presently realized by electrical substitution in which the temperature produced in a blacked material due to absorption of radiant... (View Full Article)
(Optoelectronics)
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In research leading to an ocular communication system at the Tufta-new England Medical center, a technique has been sought to provide the position and orientation of the head of a potential user. This... (View Full Article)
(Optoelectronics)
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Silicon photodiodes are semiconductor devices used for the detection of light in ultra-violet, visible and infrared spectral regions. Because of their small size, low noise, high speed and good... (View Full Article)
(Optoelectronics)
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Silicon photodiodes have practically no carrier recombination at the Si-Si02 interface or in the front diffused region have been developed by defect-free n-type impurity diffusion into the p-type... (View Full Article)
(Optoelectronics)
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Recent improvements in silicon photodiode fabrication technology have resulted in the production of photodiodes which are stable after prolonged exposure to short wavelength radiation and which have... (View Full Article)
(Optoelectronics)
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The introduction of laser emission safety regulations will necessitate simple instruments for user monitoring and regulatory purposes. These instruments must be capable of being accurately calibrated... (View Full Article)
(Optoelectronics)
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Very high, quantum efficiency, UV-enhanced silicon photodiodes have been developed by arsenic diffusion into p-type silicon as an alternative to the inversion layer photodiodes commonly used in... (View Full Article)
(Optoelectronics)
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Neutron radiation testing was performed on a total of 125 silicon photodiodes to investigate the changes in the device parameters after neutron exposure. Califonium-252 source was used to irradiate... (View Full Article)
(Optoelectronics)
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Applications are expanding rapidly in the use of electro-optical instruments to measure angle, distance, heights, centering, surface uniformity, and other parameters related to position sensing.... (View Full Article)