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Optics & Photonics news

Precision gas sensor could fit on a chip

Using their expertise in silicon optics, Cornell engineers have miniaturized a light source in the elusive mid-infrared (mid-IR) spectrum, effectively squeezing the capabilities of a large, tabletop laser onto a 1-millimeter ...

Feb 27, 2015
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Igniting the air for atmospheric research

Scientists from Vienna and Moscow have created a high-energy mid-infrared laser powerful enough to create shining filaments in the air. Such devices could be used to detect chemical substances in the atmosphere.

Feb 18, 2015
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Rediscovering spontaneous light emission

Berkeley Lab researchers have developed a nano-sized optical antenna that can greatly enhance the spontaneous emission of light from atoms, molecules and semiconductor quantum dots. This advance opens the ...

Feb 03, 2015
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Breakthrough lights up metamaterials

City College of New York led-team has successfully demonstrated how to both enhance light emission and capture light from metamaterials embedded with light emitting nanocrystals. The breakthrough, headed ...

Two-dimensional metamaterial surface manipulates light

A single layer of metallic nanostructures has been designed, fabricated and tested by a team of Penn State electrical engineers that can provide exceptional capabilities for manipulating light. This engineered ...

Metamaterial prism creates a reverse rainbow

(—In a normal rainbow, red is always on "top" while violet is on the "bottom." This is true whether the rainbow is created by a glass prism or by water droplets in the sky, and is due to the way ...

Marijuana: The allergen you never knew existed

Study shows one reason why pigeons so rarely crash

A new level of earthquake understanding

Divorce fuels sugary beverage consumption, study finds

OSIRIS catches glimpse of Rosetta's shadow

Giant virus revealed in 3-D using X-ray laser

Yellowstone's thermal springs—their colors unveiled

Researchers at Montana State University and Brandenburg University of Applied Sciences in Germany have created a simple mathematical model based on optical measurements that explains the stunning colors of ...

Why seashells' mineral forms differently in seawater

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