Optica (originally established as The Optical Society of America, OSA) is a scientific society dedicated to advancing the study of light—optics and photonics—in theory and application, by means of publishing, organizing conferences and exhibitions, partnership with industry, and education. The organization has members in more than 100 countries. As of 2018, the OSA had over 21,000 individual members and more than 265 corporate member companies.
Energy & Green Tech
Researchers have developed a new thermoelectric generator (TEG) that can continuously generate electricity using heat from the sun and a radiative element that releases heat into the air. Because it works during the day or ...
Apr 18, 2023
0
3986
Hardware
Although solar cells are typically designed to turn light into power, researchers have shown that they can also be used to achieve underwater wireless optical communication with high data rates. The new approach—which used ...
Feb 16, 2022
1
720
Engineering
Biometric authentication, which uses unique anatomical features such as fingerprints or facial features to verify a person's identity, is increasingly replacing traditional passwords for accessing everything from smartphones ...
Sep 28, 2020
1
93
Electronics & Semiconductors
Researchers have developed a new chip-sized microwave photonic filter to separate communication signals from noise and suppress unwanted interference across the full radio frequency spectrum. The device is expected to help ...
Apr 11, 2023
0
637
Hardware
Researchers have developed a new light-based computing scheme that uses a photonic integrated circuit to reduce the energy necessary for cryptocurrency and blockchain applications. Mining cryptocurrencies like Bitcoin—a ...
Apr 27, 2023
0
186
Energy & Green Tech
Researchers from Karlsruhe Institute of Technology have developed a new fabrication technique based on inkjet printing that could enable fast, efficient and scalable production of perovskite solar cells.
Jul 13, 2020
0
392
Engineering
For the first time, researchers have successfully 3-D printed chalcogenide glass, a unique material used to make optical components that operate at mid-infrared wavelengths. The ability to 3-D print this glass could make ...
Apr 18, 2019
0
139
Engineering
Researchers have developed an automatic drawing machine that uses pens and pencils to draw metamaterials onto paper. They demonstrated the new approach by using it to make three metamaterials that can be used to manipulate ...
Oct 13, 2022
0
116
Energy & Green Tech
Although perovskites are a promising alternative to the silicon used to make most of today's solar cells, new manufacturing processes are needed to make them practical for commercial production. To help fill this gap, researchers ...
Jun 3, 2020
0
129
Internet
Researchers have developed an all-light communication network that enables seamless connectivity across space, air, and underwater environments. The new network design combines different types of light sources to ensure connectivity ...
Feb 29, 2024
0
39
