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semiconductor lasers Handbook Articles
QCL Primer: History, Characteristics, Applications
Feb 18, 2016 — The versatility of quantum cascade lasers makes them a good choice for the mid-infrared region. Since its first successful operation in 1960 at Hughes Research Labs, the laser technology has been at the center of innovation and research. Semiconductor lasers first made their appearance in 1962 when Robert N. Hall introduced the first gallium arsenide laser diode.1 Early semiconductor lasers would not be practical to use due to requiring cryogenic temperatures to operate. In 1970, Izuo
Diode-Pumped Lasers: Performance, Reliability Enhance Applications
Jan 1, 2015 — The latest technology advances take diode-pumped solid-state lasers into new realms of power and wavelength, enabling many new applications. Neodymium-doped crystals and glasses such as Nd:YAG (neodymium:yttrium aluminum garnet) have long been used...
Lasers: Understanding the Basics
Jan 1, 2015 — Although lasers range from quantum-dot to football-field size and utilize materials from free electrons to solids, the underlying operating principles are always the same. This article provides the basic information about how and why lasers work.
Semiconductor Lasers: An Overview of Commercial Devices
Apr 13, 2006 — Within only a few decades, the semiconductor laser diode has evolved into a family of robust, reliable devices, with individual conversion efficiencies of better than 60 percent, continuous output powers of several kilowatts, modulation rates of...
The VCSEL Advantage: Increased Power, Efficiency Bring New Applications
Apr 13, 2006 — Vertical-cavity surface-emitting lasers (VCSELs) differ from edge-emitting lasers in that their output beam is perpendicular to the top surface of the device instead of parallel to it.
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April 2024
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