(Phys.org) —Justin Crepp, the Freimann Assistant Professor of Physics at the University of Notre Dame, has published a study Thursday (Nov. 13) in the journal Science that details how next-generation planet-hunting instruments ...
Astronomy
Nov 14, 2014
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Researchers at the University of Illinois at Urbana-Champaign have demonstrated that an array of novel gold, pillar-bowtie nanoantennas (pBNAs) can be used like traditional photographic film to record light for distances ...
Nanophysics
Jul 17, 2014
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As we all know, some optical devices can only work with a certain incident polarization direction. In this case, a polarizer is necessary to shift the polarization direction of linearly polarized light. A common polarizer ...
Optics & Photonics
Jul 17, 2014
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(Phys.org) —Supernova remnants (SNRs) play a vital role in the lifecycle of dust in the interstellar medium. As shockwaves from supernovae sweep up interstellar material, they heat the gas and dust, and destroy a significant ...
Astronomy
Jun 27, 2014
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Powerful, inexpensive and even flexible when they need to be, organic photodiodes are a promising alternative to silicon-based photodetectors. They are used to improve light sensitivity in cameras and to check displays for ...
Engineering
May 14, 2014
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High power laser sources at exotic wavelengths may be a step closer as researchers in China report a fibre optic parametric oscillator with record breaking efficiency. The research team believe this could lead to new light ...
Optics & Photonics
Apr 14, 2014
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(Phys.org) —Where do you go to look at the stars? Away from city lights, certainly. But if you're serious about peering far out into space, to the observable edges of our universe, at submillimeter wavelengths, you have ...
Astronomy
Nov 26, 2013
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Private households are increasingly connecting to the Internet via optical fiber networks, whose bandwidth is suitable for delivering on-demand video. The fibers of the network transmit light simultaneously over many channels ...
Optics & Photonics
Nov 20, 2013
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(Phys.org) —Scientists at SLAC have found a new method to create coherent beams of twisted light – light that spirals around a central axis as it travels. It has the potential to generate twisted light in shorter pulses, ...
General Physics
Sep 19, 2013
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Researchers from the National Institute of Radiological Sciences have discovered a new mechanism for wavelength conversion of emitted light by a plastic material. The results of these studies appeared in Scientific Reports ...
General Physics
Sep 18, 2013
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