News tagged with wavelength bands
First germanium laser brings us closer to 'optical computers'
(PhysOrg.com) -- MIT researchers have demonstrated the first laser built from germanium that can produce wavelengths of light useful for optical communication. It’s also the first germanium laser to operate ...
Feb 04, 2010 |
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Using CNTs as infrared sensors
(PhysOrg.com) -- Semiconductors provide the bases for many different avenues of device research. Indeed, many of the technological devices that are commonplace in our society are reliant on semiconductors. However, as we ...
Jan 04, 2010 |
4.4 / 5 (15) |
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Light-controlling artificial diamond structures could lead to optical computers
(PhysOrg.com) -- In an effort to make computer chips even faster than those of today, many researchers have recently been investigating the possibility of optical computing. In an optical computer, information ...
Nov 17, 2011 |
4.6 / 5 (10) |
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Mysterious stellar absorption lines could illuminate 90-year puzzle
The discovery of 13 diffuse interstellar bands with the longest wavelengths to date could someday solve a 90-year-old mystery.
Nov 02, 2011 |
4.9 / 5 (9) |
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In Search of Dark Asteroids (and Other Sneaky Things)
Ninjas knew how to be stealthy: Be dark. Emit very little light. Move in the shadows between bright places.
Sep 16, 2009 |
3.8 / 5 (6) |
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Millisecond pulsar in spin mode
Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...
Nov 03, 2011 |
4.6 / 5 (5) |
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NASA's SkyView Delivers the Multiwavelength Cosmos
(PhysOrg.com) -- Some three million times a year, researchers, educators, and amateur astronomers all over the world ask NASA's SkyView virtual observatory to serve up images of some interesting corner of ...
Feb 04, 2009 |
4.5 / 5 (2) |
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9 new gamma pulsars
Pulsars are the lighthouses of the universe. These compact and fast-rotating neutron stars flash many times per second in the radio or gamma-ray band. Pure gamma-ray pulsars are extremely difficult to find ...
Nov 03, 2011 |
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