News tagged with semiconductor lasers
Building a more versatile laser
Nov 16, 2009 |
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(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...
Research is shattering traditioinal notions of laser limits
Dec 07, 2009 |
5 / 5 (2) |
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Air Force Office of Scientific Research and National Science Foundation-funded professor, Dr. Xiang Zhang has demonstrated at the University of California, Berkeley the world's smallest semiconductor laser, ...
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Researchers demonstrate 100-watt-level mid-infrared lasers
Dec 01, 2009 |
4.7 / 5 (12) |
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Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
Semiconductor revenue to fall 11 percent: Gartner
Nov 16, 2009 |
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Worldwide semiconductor revenue is expected to decline by more than 11 percent in 2009 over last year, less than previously forecast, market research firm Gartner said Monday.
Scientists demonstrate multibeam, multi-functional lasers
Nov 30, 2009 |
4.4 / 5 (7) |
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An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
Using lasers to cool and manipulate molecules
Dec 07, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...
New laser -- it's a gas, gas, gas... sensor
Dec 04, 2009 |
4.8 / 5 (4) |
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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.
Taiwan chip giant TSMC to enter solar energy
9 hours ago |
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Chip giant Taiwan Semiconductor Manufacturing Co. is planning its first foray into solar energy with an investment in the island's largest producer of solar cells, a spokesman said Thursday.
A see-through surprise: Scientists make solid material transparent to terahertz waves
Dec 07, 2009 |
4.6 / 5 (18) |
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Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...
Toshiba develops molecular photoresist technology for EUV lithography
Nov 17, 2009 |
1.9 / 5 (17) |
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Toshiba Corporation today announced that it has developed a high resolution photoresist (photo-sensitive film) essential for future application of EUV (extreme ultraviolet) lithography in semiconductor fabrication, ...
Measuring Electron Orbitals
Nov 16, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...
Rice ties in race for atomic-scale breakthrough
Nov 17, 2009 |
4.7 / 5 (3) |
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Everybody loves a race to the wire, even when the result is a tie. The great irony is the ultraprecise clocks that could result from this competition could probably break any tie.
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