(Phys.org) —Researchers working at Japan's NTT Basic Research Laboratories have successfully built an all mechanical phonon laser. In their paper published in Physical Review Letters, the team describes how they built a ...
(Phys.org) —Blue-glowing diamond crystals hold promise for expanding the research capacity of SLAC's X-ray laser by divvying up its pulses for use in separate, simultaneous experiments.
General Physics
Mar 14, 2013
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(Phys.org)—A team of physicists working in Singapore has, for the first time, demonstrated the cooling of a semiconductor using a laser. To achieve this feat, the team, as they describe in their paper published in the journal ...
(Phys.org)—Plasmonic gold nanoparticles make pinpoint heating on demand possible. Now Rice University researchers have found a way to selectively heat diverse nanoparticles that could advance their use in medicine and industry.
Nanomaterials
Jan 3, 2013
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(Phys.org)—Astronomers have come to realize that the process of star formation, once thought to consist essentially of just the simple coalescence of material by gravity, occurs in a complex series of stages. As the gas ...
Astronomy
Dec 24, 2012
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(Phys.org)—Tanya Zelevinsky's Pupin Hall lab is home to a sprawling contraption of gangly wires, metal pipes and chambers, and flashing lights. Inside a container that opens up like a porthole is a glowing blue dot—a ...
General Physics
Dec 19, 2012
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Every photon in a laser beam marches in lockstep, at an identical wavelength that depends on what the laser is used for – for example, infrared lasers that drive the optic fiber internet. For many applications, lasers need ...
General Physics
Dec 4, 2012
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To look at small objects typically requires big machines. For example, the study of single atoms with a laser requires x-ray radiation of such high energy that it is only produced by accelerating electrons in large facilities. ...
General Physics
Nov 30, 2012
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(Phys.org)—New observations by the MESSENGER spacecraft provide compelling support for the long-held hypothesis that Mercury harbors abundant water ice and other frozen volatile materials in its permanently shadowed polar ...
Space Exploration
Nov 29, 2012
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By using an ordinary green laser pointer, the kind commonly found in offices and college lecture halls, an Israeli research team has developed a new and highly portable Raman spectrometer that can detect extremely minute ...
Optics & Photonics
Oct 10, 2012
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