Conventional lenses, made of shaped glass, are limited in how precisely they can redirect beams of incoming light and make them meet at a point. Now, a team led by Zhengtong Liu at the A*STAR Institute of High Performance ...
Optics & Photonics
Aug 14, 2013
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Research scientists at the U.S. Naval Research Laboratory (NRL) Electronics Science and Technology Division have developed a novel low cost, highly efficient spectral sensor for field analysis of solar cell irradiance performance ...
Energy & Green Tech
Aug 12, 2013
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Free-electron lasers are extremely versatile research tools because their intense, super short light flashes permit a closer look at new materials and even biological molecules; thus, allowing effects to be observed that ...
General Physics
Aug 8, 2013
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The use of plasmonic black metals could someday provide a pathway to more efficient photovoltaics (PV) —- the use of solar panels containing photovoltaic solar cells —- to improve solar energy harvesting, according to ...
Optics & Photonics
Jul 30, 2013
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For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.
Astronomy
Jul 29, 2013
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(Phys.org) —Soaring at 41,000 feet in the air, a team of Ithaca College physics students and a professor recently took photos from a flying observatory to help discover what makes up our universe.
Space Exploration
Jul 12, 2013
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There are several ways to "trap" a beam of light—usually with mirrors, other reflective surfaces, or high-tech materials such as photonic crystals. But now researchers at MIT have discovered a new method to trap light that ...
General Physics
Jul 10, 2013
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The universe is awash in terahertz (THz) waves, as harmless as they are abundant. But unlike other regions of the electromagnetic spectrum, THz has proven to be extremely difficult to manipulate in order to capture novel ...
Optics & Photonics
Jun 25, 2013
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A new laser that can show what objects are made of could help military aircraft identify hidden dangers such as weapons arsenals far below.
Optics & Photonics
Jun 25, 2013
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(Phys.org) —A team of researchers in Korea has discovered a way to allow sound to pass through walls almost as if they were not there at all. As the group describes in their paper published in the journal Physical Review ...
