Metasurfaces provide unique platforms to realize exotic phenomena including negative refraction, achromatic focusing, and electromagnetic cloaking due to the engineered dielectric or metallic architectures. The intersection ...
(Phys.org)—The world's most stable laser – with frequency variation of no more than 2 parts in 10,000 trillion – has been developed and tested by an international collaboration of scientists at NIST/JILA in Boulder, ...
Optics & Photonics
Sep 11, 2012
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(PhysOrg.com) -- Such highly coveted technical capabilities as the observation of single catalytic processes in nanoreactors, or the optical detection of low concentrations of biochemical agents and gases are an important ...
Nanophysics
May 17, 2011
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(PhysOrg.com) -- The great science fiction writer Arthur C. Clarke famously noted the similarities between advanced technology and magic. This summer on the big screen, the young wizard Harry Potter will once again don his ...
General Physics
May 1, 2009
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When light goes through a material, it often behaves in unpredictable ways. This phenomenon is the subject of an entire field of study called "nonlinear optics," which is now integral to technological and scientific advances ...
Optics & Photonics
Jan 11, 2024
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88
Though the Summer Olympics were postponed, there's at least one place to see agile hurdlers go for the gold.
Materials Science
Sep 8, 2020
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84
Researchers have shown that a detection technology borrowed from quantum optics can be used to perform optical coherence tomography (OCT) with much lower light power than previously possible. This could greatly improve the ...
Optics & Photonics
Jun 17, 2020
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151
For well over a decade, electrical engineer Holger Schmidt has been developing devices for optical analysis of samples on integrated chip-based platforms, with applications in areas such as biological sensors, virus detection, ...
Optics & Photonics
Sep 14, 2016
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772
A team led by researchers at UC Santa Cruz has developed chip-based technology for reliable detection of Ebola virus and other viral pathogens. The system uses direct optical detection of viral molecules and can be integrated ...
Analytical Chemistry
Sep 25, 2015
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101
A team of researchers, led by the Optoelectronics Research Centre (ORC) at the University of Southampton, has demonstrated a breakthrough technique that offers the first possibility of silicon detectors for telecommunications.
Optics & Photonics
Oct 3, 2014
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