We are most familiar with the four conventional phases of matter: solid, liquid, gas, and plasma. Changes between two phases, known as phase transitions, are marked by abrupt changes in material properties such as density. ...
General Physics
Feb 19, 2021
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43
Researchers from the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences have made progress in the preparation of mixture-based quarter-wave plate laser beam splitter (PLBS) coatings to improve ...
Optics & Photonics
Aug 19, 2022
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6
When looking to produce the tiny semiconductor components used in electronic devices, photolithography is the process of choice. It not only provides high-resolution images, but also allows high-throughput production. However, ...
Nanophysics
Dec 5, 2012
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0
Using a new method, scientists are better able to distinguish between mirror-image substances. This is important amongst others in drug development, because the two variants can cause completely different effects in the human ...
Optics & Photonics
Jul 5, 2022
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23
When traversing a solid material such as glass, a light wave can deposit part of its energy in a mechanical wave, leading to a color change of the light. This process, called "Brillouin scattering," has important technical ...
Optics & Photonics
Jul 9, 2019
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57
Scientists at the U.S. Naval Research Laboratory have devised a new process for using nano-particles to build powerful lasers that are more efficient and safer for your eyes.
Optics & Photonics
Jul 17, 2019
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13
What happens when gold and silver just don't cut it anymore? You turn to metallic alloys, which are what Army researchers are using to develop new designer materials with a broad range of capabilities for our Soldiers.
Materials Science
Oct 10, 2018
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6
In her PhD thesis, Montserrat Fernández-Vallejo, a telecommunications engineer and graduate of the UPNA-Public University of Navarre, has experimentally developed various fibre-optic sensor networks for the remote monitoring ...
Engineering
Sep 6, 2012
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0
Lack of oxygen in cells is an indicator of diseases as serious as cerebral haemorrhages, stroke and cancer. Regrettably measuring real-time oxygen concentration in living tissue is difficult with current technologies. Now ...
Analytical Chemistry
Mar 9, 2015
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11
At the heart of global internet connectivity, optical communications form an indispensable foundation. Key to this foundation are optical isolators, created by combining multiple components.
Optics & Photonics
Jan 18, 2024
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