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near-infrared light News
OLED Surpasses 100 Percent Exciton Production Efficiency
FUKUOKA, Japan, July 10, 2018 — In a new approach to improving OLED efficiency, researchers are using singlet fission to split the energy of one exciton in two. This approach has made it possible for the team to exceed the 100 percent limit for exciton production efficiency in OLEDs. An exciton is a packet of energy in the OLED that is formed from the joining of one positive charge and one negative charge on a molecule. One exciton can release its energy to create one photon. Excitons come in two forms — singlets
Optogenetic Tool Has Potential for Brain Mapping
ARLINGTON, Texas, May 17, 2013 — An optogenetic tool that can map and track interactions between neurons inside different areas of the brain using low-energy near-infrared (NIR) light could help scientists better understand how different parts of the brain react when a linked area...
Light Triggers Biochemical Reactions
HOUSTON, Dec. 18, 2012 — Biochemical reactions can now be remotely triggered on demand, thanks to a new technique that turns light into heat at the point of need on the nanoscale.
Nanoparticles Enable Drug Activation by NIR Light
SINGAPORE, Sept. 28, 2012 — Nanoparticles that convert near-infrared to ultraviolet or visible light could help overcome the skin penetration limits of conventional photodynamic therapy.
Optical Mammography IDs Breast Cancer
MEDFORD/SOMERVILLE, Mass., Sept. 27, 2012 — A novel noninvasive optical imaging technique could offer doctors new ways both to identify breast cancer and to monitor a patient’s response to initial treatment.
All-Carbon Solar Cell Harnesses NIR Light
CAMBRIDGE, Mass., June 22, 2012 — A new all-carbon solar cell developed by MIT taps into near-IR light, a region that is completely unused by today’s solar systems but represents about 40 percent of the solar energy reaching Earth’s surface.
Luciferase Aids Blood Clot Detection
NEW LONDON, Conn., Feb. 11, 2011 — The enzyme that makes fireflies glow is lighting up the scientific path toward a long-sought new medical imaging agent to better monitor treatment with heparin, the blood thinner that millions of people take to prevent or treat blood clots. In a...
‘Plasmonic Metamaterials’ May Advance Optical Cloaking
WEST LAFAYETTE, Ind., Jan. 25, 2011 — Researchers are developing a new class of "plasmonic metamaterials" as potential building blocks for advanced optical technologies, including ultrapowerful microscopes and computers, improved solar cells, and a possible invisibility cloak. The...
Clean Manufacturing
Nov 1, 2010 — Ultrahigh-brightness light source manufacturer Energetiq Technology Inc. has built a clean manufacturing facility at its Woburn, Mass., location. The 800-sq-ft cleanroom will provide Class 1000 assembly capability to be used for optics assembly and...
Special effects captured in a whole new light
CAMBRIDGE, Mass. – Imagine an imaging system that doesn’t require a camera or reflective markers but instead uses small photosensors and solid-state projectors that transmit near-infrared light to capture movement. The technique could improve the way special effects...
Closing in on Invisibility Cloak
BERKELEY, Calif., Aug. 11, 2008 – The idea of an invisibility cloak certainly pushes the edge of plausible, however a group of scientists from the University of California, Berkeley, have come one step closer to being able to render objects invisible to the human eye. For the first...
Exhibits Draw Crowd at PWest
SAN JOSE, Calif., Jan. 23 2008 -- The first wave of Photonics West 2008 attendees arrived Tuesday at the San Jose Convention Center to inspect new products on display from 1100 exhibitors. The conference and exhibition is expected to attract 17,000 from more than 50 countries,...
Light Bent in 3-D Crystals
CHAMPAIGN, Ill., Jan. 8, 2008 -- Optical waveguiding of near-infrared light has been achieved through features embedded in self-assembled, three-dimensional photonic crystals, a University of Illinois team reported. The researchers said they are the first to produce the...
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May 2024
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