News tagged with laser output
Seeing sound: Team develops noninvasive method to visualise sound propagation
High-performance loudspeaker manufacturers have been able to improve sound quality dramatically over the years, but still face the issue of dead spots.
Nov 08, 2011 |
4.8 / 5 (4) |
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Redefining electrical current law with the transistor laser
(PhysOrg.com) -- While the laws of physics weren't made to be broken, sometimes they need revision. A major current law has been rewritten thanks to the three-port transistor laser, developed by Milton Feng ...
May 12, 2010 |
4.7 / 5 (23) |
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Researchers demonstrate 100-watt-level mid-infrared lasers
Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
Dec 01, 2009 |
4.4 / 5 (13) |
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Lasers put a shine on metals
(PhysOrg.com) -- Polishing metal surfaces is a demanding but monotonous task, and it is difficult to find qualified young specialists. Polishing machines do not represent an adequate alternative because they ...
Nov 03, 2009 |
4.8 / 5 (9) |
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Sharp's New Semiconductor Laser for Triple- and Quadruple- Layer Blu-ray Discs
(PhysOrg.com) -- Sharp Corporation has announced the development of a new 500 mW semiconductor laser for triple- and quadruple- layer Blu-ray discs.
Sep 18, 2009 |
4.7 / 5 (11) |
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Nanoparticle Scattering Improves Laser Performance
(PhysOrg.com) -- “Light scattering” and “optical performance” are two concepts that usually head in opposite directions, but they have recently been shown to walk happily hand-in-hand. The results are impressive ...
Nanotechnology / Nanomaterials
Jun 04, 2009 |
4.7 / 5 (3) |
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Atomic fountain clocks are becoming still more stable
They are at present the most accurate clocks in the world: Caesium fountain clocks furnish the second accurate to 15 places after the decimal point. Until they reach this accuracy, caesium fountain clocks, however, need a ...
Mar 18, 2009 |
3.5 / 5 (2) |
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