A defunct Chinese space station, Tiangong-1, is expected to fall to Earth any day now—on March 31, give or take a few days. When it does, it will be the largest manmade object to re-enter Earth's atmosphere in a decade.
Space Exploration
Mar 23, 2018
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646
For the first time, researchers have fabricated sensing elements known as fiber Bragg gratings inside optical fibers designed to dissolve completely inside the body. The bioresorbable fiber Bragg gratings could be used for ...
Optics & Photonics
Feb 5, 2018
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317
The exciting applications of wearable sensors have sparked a tremendous amount of research and business investment in recent years. Sensors attached to the body or integrated into clothing could allow athletes and physical ...
Optics & Photonics
Oct 12, 2017
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269
Technology from the Public University of Navarre monitors the structural health of infrastructure (bridges, viaducts, oil pipelines, gas pipelines, etc.) and can be used in intensity-based optical sensors that modify the ...
Engineering
Oct 2, 2017
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3
Optical sensors operating in the near infrared (NIR) are important for applications in imaging, photodetectors, and biological sensors. Notably, recent reports on the synthesis of high quality, large areas of graphene has ...
Electronics & Semiconductors
Sep 27, 2017
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4
(Phys.org)—Two independent teams working on research aimed at improving optical sensing have used techniques that involve coupling two or more modes of light such that their modes and their corresponding frequencies coalesce, ...
Scientists from the Moscow Institute of Physics and Technology (MIPT) and international collaborators have developed a new type of optical fiber that has an extremely large core diameter and preserves the coherent properties ...
Optics & Photonics
Jul 18, 2017
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70
Sensitive sensors must be isolated from their environment as much as possible to avoid disturbances. Scientists at ETH Zurich have now demonstrated how to remove from and add elementary charges to a nanosphere that can be ...
Nanophysics
Jun 28, 2017
1
229
If you've ever tried to take a picture in a dark restaurant, you know that it is difficult to get a clear, quality image. In the future, cameras might not struggle under these conditions thanks to a newly developed method ...
Optics & Photonics
May 30, 2017
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881
Using a tiny device known as an optical antenna, researchers have created an X-ray sensor that is integrated onto the end of an optical fiber just a few tens of microns in diameter. By detecting X-rays at an extremely small ...
Optics & Photonics
Mar 28, 2017
0
307
