In an advance that sounds almost Zen, researchers at the National Institute of Standards and Technology and JILA, a joint institute of NIST and the University of Colorado at Boulder, have demonstrated a new type of pulsed ...
Optics & Photonics
Jun 9, 2010
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(PhysOrg.com) -- When people at cocktail parties used to ask Charles Schmuttenmaer what he did, he would say he was a chemistry professor who worked on transient-photo conductivity in gallium arsenide. "At that point they ...
Materials Science
May 7, 2010
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient as current ...
General Physics
Dec 14, 2009
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(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.
Engineering
Dec 4, 2009
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(PhysOrg.com) -- Sharp Corporation has announced the development of a new 500 mW semiconductor laser for triple- and quadruple- layer Blu-ray discs.
A massive European effort to develop high-brightness semiconductor lasers could transform healthcare, telecoms and display applications and make Europe an undisputed leader in the field.
Optics & Photonics
Jun 18, 2009
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(PhysOrg.com) -- For the first time, scientists have succeeded in measuring and controlling the lifetime of quantum states with potential use in optoelectronic chips. This achievement is highly significant for the ongoing ...
Quantum Physics
Apr 14, 2009
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Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...
General Physics
Jan 22, 2009
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Despite remarkable progress in science and technology, rapid advancements have exposed limitations in many technological domains. A pressing challenge in semiconductor devices, which underpin ultrahigh-speed communications ...
Nanophysics
Jan 31, 2024
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Ultraviolet (UV) rays are electromagnetic waves with wavelengths ranging from 100 to 380 nanometers (nm). These wavelengths can be classified into three regions: UV-A (315–380 nm), UV-B (280–315 nm), and UV-C (100–280 ...
Optics & Photonics
Oct 20, 2023
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