In an advance that could shrink many measurement technologies, scientists at the National Institute of Standards and Technology (NIST) and partners have demonstrated the first miniaturized devices that can generate desired ...
Optics & Photonics
Apr 25, 2018
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11
Chemical compounds all carry distinctive absorption "fingerprints" within the mid-infrared spectral region of 2 to 12 microns. This offers an opportunity to measure and study chemicals at extremely sensitive levels but researchers ...
Optics & Photonics
Mar 15, 2018
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86
In a new paper published today in Science Advances, researchers under the direction of Columbia Engineering Professors Michal Lipson and Alexander Gaeta (Applied Physics and Applied Mathematics) have miniaturized dual-frequency ...
Optics & Photonics
Mar 2, 2018
1
197
Microresonator-based optical frequency combs enable highly-precise optical distance ranging at a rate of 100 million measurements per second – publication in Science: Scientists of Karlsruhe Institute of Technology (KIT) ...
Optics & Photonics
Feb 26, 2018
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36
Data travels through thousands of miles of fiber optic cables underneath the world's oceans—via pulses of light. And according to experts, the data in these cables is at great risk of being intercepted. However, a newly ...
Optics & Photonics
Jan 11, 2018
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306
Optical frequency combs are widely-used, high-precision tools for measuring and detecting different frequencies—a.k.a. colors—of light. Unlike conventional lasers, which emit a single frequency, these lasers emit multiple ...
Optics & Photonics
Oct 17, 2017
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804
Researchers are a step closer to harnessing single pulses of light called solitons, using tiny ring-shaped microresonators, in findings that could aid efforts to develop advanced sensors, high-speed optical communications ...
Optics & Photonics
Oct 9, 2017
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255
Gold. The word brings to mind wedding rings, buried treasure and California in the 1840's. But when gold is reduced to 1/100,000 the size of a human hair, it takes on an entirely new personality.
Optics & Photonics
Oct 6, 2017
2
213
University of Michigan researchers have developed a laser-based method that could be used to detect chemicals such as explosives and dangerous gases quickly and accurately.
Optics & Photonics
Sep 29, 2017
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170
Optical solitons are special wave packages that propagate without changing their shape. In optical communications, solitons can be used for generating frequency combs with various spectral lines, which allow to realize particularly ...
Optics & Photonics
Jun 8, 2017
1
21
