News tagged with wavelength range
Scientists design solar cells that exceed the conventional light-trapping limit
(PhysOrg.com) -- The best performing solar cells are those that are thick enough to absorb light from the entire solar spectrum, while the cheapest solar cells are thin ones, since they require less, and potentially ...
Jan 20, 2012 |
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Butterfly wings inspire design of water-repellent surface
Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.
Nanotechnology / Nanomaterials
Nov 21, 2011 |
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Crystal erbium compound offers superior optical properties, can enhance energy, computer, lighting technologies
Arizona State University researchers have created a new compound crystal material that promises to help produce advances in a range of scientific and technological pursuits.
Nov 16, 2011 |
4.9 / 5 (8) |
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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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Researchers realize high-power, narrowband terahertz source at room temperature
Researchers at Northwestern University have developed a simpler way to generate single-chip terahertz radiation, a discovery that could soon allow for more rapid security screening, border protection, high sensitivity biological/chemical ...
Sep 30, 2011 |
4.8 / 5 (6) |
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Fold mountains slip on soft areas
The Zagros Mountains are well researched from a geological perspective. However, scientists at the ETH Zurich have now used computer simulations to demonstrate for the first time how it came about that mainly ...
Space & Earth / Earth Sciences
Aug 11, 2011 |
4 / 5 (1) |
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Conserving biodiversity with hyperspectral imaging analysis
Fujitsu Limited and Fujitsu Laboratories Limited announced the development of technology to improve the accuracy of plant identification with aerial hyperspectral images. This enables accurate distinctions ...
Jul 15, 2011 |
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Key ingredient: Change in material boosts prospects of ultrafast single-photon detector
By swapping one superconducting material for another, researchers at the National Institute of Standards and Technology (NIST) have found a practical way to boost the efficiency of the world's fastest single-photon ...
Jun 30, 2011 |
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NRL instrument provides key space weather data
Data products from the Special Sensor Ultraviolet Limb Imager (SSULI) developed by the NRL Spacecraft Engineering Department and Space Science Division were officially transitioned for use in operational systems ...
Jun 22, 2011 |
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Infrared camera provides a better view
Infrared cameras see more than the naked eye and can make road traffic safer. Cameras for the long-wave infrared range, however, have the disadvantage that the sensor requires constant cooling, which adds ...
Jul 01, 2010 |
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VISTA: Pioneering new survey telescope starts work
VISTA is the latest telescope to be added to ESO's Paranal Observatory in the Atacama Desert of northern Chile. It is housed on the peak adjacent to the one hosting the ESO Very Large Telescope (VLT) and shares ...
Dec 11, 2009 |
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Turning metal black more than just a novelty
(PhysOrg.com) -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.
Dec 08, 2009 |
4.6 / 5 (20) |
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Herschel Opens Its Infrared Eyes
(PhysOrg.com) -- The Herschel Space Observatory has snapped its first picture since blasting into space on May 14, 2009. The mission, led by the European Space Agency with important participation from NASA, ...
Jun 29, 2009 |
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Infrared Nanotube Films Offer Advantages for Solar Cells and More
(PhysOrg.com) -- Researchers have already known that carbon nanotube thin films have mechanical and conductive advantages that could make them useful as electrodes in solar cells, solid state lighting, and ...
Mar 11, 2009 |
4.5 / 5 (11) |
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Quantum dots as midinfrared emitters
(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
Feb 23, 2009 |
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