laser diode

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laser diode

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Semiconductor lasers use semiconductor gain medium, where optical gain is achieved by injecting current at an interband transition with high carrier density in the conduction band.
TriLumina has created eye-safe semiconductor lasers, helping to accelerate the automotive industrys adoption of semiautonomous and autonomous vehicles by offering lasers for 100 percent solid-state lidar products and advanced driver monitoring systems.
The fifteen chapters that make up the main body of the text are devoted to an introduction to semiconductor lasers, basic theory, heterojunctions and quantum structures, band structures, and a wide variety of other related subjects.
Tokyo, Oct 12, 2013 - (JCN) - Shimadzu has developed a blue direct diode laser, providing a 16-fold increase in brightness over conventional levels for fiber-coupled blue semiconductor lasers by utilizing newly developed optical multiplexing technology in addition to high-durability coating technology, and techniques for precision assembly of optical equipment, until now based on GaN semiconductor lasers utilized in Blu-ray Discs and projectors.
Advanced control of the newly-developed and proprietarily-constructed GaN-based mode-locked semiconductor laser(3) and semiconductor optical amplifier(4) have enabled peak output power in excess of 100 watts to be achieved, which is more than a hundred times the world's highest output value for conventional blue-violet pulse semiconductor lasers.
But recent advances in power efficiency, design and high temperature functionality have pushed this class of semiconductor lasers closer to real-world utility.
The company said it hopes to establish basic technology for the lamps using semiconductor lasers within five years, and develop them as replacements for florescent lights.
NIST's development of accurate assessment procedures for InGaAsP will enable sharing of data between laboratories and improve predictive modeling for manufacturers of semiconductor lasers, detectors, and amplifiers.
Semiconductor lasers based on heterostructures make possible today's bar-code readers, the heads that read compact discs and similar media, and fiberoptic communication systems.
This book provides information on laser oscillation, device structures, noise characteristics, possible application systems and the future of highly coherent semiconductor lasers.
Company to discuss its next generation eye-safe wavelength semiconductor lasers for ranging, remote sensing, and communications applications
In general, the output power of semiconductor lasers decreases as the laser chip temperature rises.

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