Ultrashort optical pulses are becoming increasingly relevant in a number of applications, including distance measurement, molecular fingerprinting and ultrafast sampling. Many of these applications rely not only on a single ...
Optics & Photonics
Oct 1, 2018
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65
A new instrument to search for potentially habitable/inhabited planets has started operation at the Subaru Telescope. This instrument, IRD (InfraRed Doppler), will look for habitable planets around red dwarf stars. Astronomers ...
Astronomy
Jul 2, 2018
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18
University of Adelaide researchers have created a laser that can "smell" different gases within a sample.
Optics & Photonics
Jun 7, 2018
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28
A laser-based technique that can scan and lock on to molecular vibrational signals that are normally too complex to resolve clearly could enable production of sensors for multi-species identification in harsh environments, ...
Optics & Photonics
May 23, 2018
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5
Wi-Fi and cellular data traffic are increasing exponentially but, unless the capacity of wireless links can be increased, all that traffic is bound to lead to unacceptable bottlenecks.
Optics & Photonics
Apr 30, 2018
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77
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
Atomic clocks are no longer based on a microwave transition in cesium, instead operating with other atoms that are excited using optical frequencies. Some of these new clocks are portable. At its QUEST Institute, PTB is currently ...
Optics & Photonics
Jan 23, 2018
0
25
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
0
306
NASA's Laser Communications Relay Demonstration (LCRD) mission has begun integration and testing at NASA's Goddard Space Flight Center in Greenbelt, Maryland. The mission will demonstrate how a transition from radio to laser ...
Space Exploration
Dec 18, 2017
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26
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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