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Research & Technology News
Plasmonics Gives Performance Boost to Polymer LEDs, Solar Cells
ULSAN, South Korea, July 23, 2013 — A new plasmonic material based on carbon dot-supported silver (CD-Ag) nanoparticles, which produce a surface plasmon resonance effect, has boosted the performance of polymer LEDs (PLEDs) and polymer solar cells (PSCs) while keeping their structure simple.
3-D Display Doesn’t Disturb 2-D Viewers
SANTA CRUZ, Calif., July 22, 2013 — Watching 3-D television with stereo glasses can be cumbersome, and taking them off to give your eyes a break only leaves you staring at a blurry image. But a 3D+2D display could change that, enabling viewers with glasses to see images in 3-D, while...
E-Skin Lights Up at a Touch
BERKELEY, Calif., July 22, 2013 — A user-interactive sensor network on flexible plastic could help robots become more touchy-feely, literally, enabling a new form of human-machine interaction.
New Management Structure at LZH
HANNOVER, Germany, July 22, 2013 — Photonics and laser technology research institute Laser Zentrum Hannover e.V. (LZH) has restructured its management team to include a supervisory board, a board of directors and a general assembly of members.
Moustakas BU’s ‘Innovator of the Year’
BOSTON, July 19, 2013 — Theodore Moustakas has won Boston University’s 2013 Innovator of the Year award, which recognizes faculty members whose research and ideas have led to the formation of companies that benefit society at large.
Nanowafer Tunable for Optimal Light Absorption
STANFORD, Calif., July 19, 2013 — A nanoengineered wafer that can be optimally tuned for light absorption is the thinnest, most efficient absorber of visible light to date, report engineers at Stanford University.
Subtle Butterfly Wing Differences Could Inspire New Materials
HONG KONG, July 19, 2013 — Subtle differences in the small crystal structures responsible for the varied patterns of color in butterfly wings could lead to new material coatings that change color by design.
Another Milestone for Optics Engineer’s Superblack Material
GREENBELT, Md., July 18, 2013 — A superblack carbon-nanotube technology developed five years ago has achieved another milestone, and this time it promises to make spacecraft instruments more sensitive without enlarging their size.
Photodetector Discerns Polarized Light Intrinsically
HOUSTON & LIVERMORE, Calif., July 18, 2013 — Few photodetector materials can discern polarized light — individual electromagnetic waves oscillating parallel to one another — directly without the use of a grate or a filter. For a newly created carbon-based broadband photodetector, however,...
New Nanoimaging Method Finds App in Plasmonics
GAITHERSBURG, Md., July 17, 2013 — Theoretical calculations to understand and predict the optical properties of plasmonic nanomaterials exist but haven’t been verified in the lab, until now.
Pan-European Task Force Drives Photonics Innovation
BRUSSELS, July 17, 2013 — A collaboration formed under a four-year European Commission-funded project continues to bear fruit for the field of photonics, having yielded more than 400 publications and 11 filed patents, despite the project’s conclusion in April 2012.
Pump-Probe Laser Imaging to Improve the Arts
RALEIGH, N.C., July 16, 2013 — A pump-probe laser technique designed to diagnose melanoma has now been applied to art, uncovering paint pigments and layering techniques noninvasively to provide historical insight into works of art.
Capasso a Guest Scientist at MPQ
GARCHING, Germany, July 15, 2013 — Internationally renowned applied physicist Federico Capasso of Harvard University is joining the Max Planck Institute of Quantum Optics (MPQ) as a guest scientist this month. Professor Capasso, the Robert L. Wallace Professor of Applied Physics and...
Controlling Random Lasers
VIENNA, July 15, 2013 — Random lasers, with their very irregular angular emission pattern, are difficult to tune. But a team at Vienna University of Technology has theoretically shown that they can be controlled by actively shaping the spatial pump distribution, giving...
A New Way To Trap Light
CAMBRIDGE, Mass., July 12, 2013 — There are several methods to confine light, but a new approach uses two waves of the same wavelength, but exactly opposite phases, to cancel each other out, allowing light of other wavelengths to pass freely.
Space Station to Test Laser Communications
PASADENA, Calif., July 12, 2013 — NASA will begin testing laser communications technology that could dramatically improve spacecraft communication transmission rates by a factor of 10 to 100.
T-Rays Trapped for Better Security Scanners
ADELAIDE, Australia, July 11, 2013 — A metamaterial structure that traps terahertz-frequency waves (T-rays) in microscopic holes could result in medical diagnostic and security scanners with higher sensitivity.
5-D ‘Superman’ Memory Crystal Created
SOUTHAMPTON, England, July 10, 2013 — Nanostructured glass has been demonstrated as a medium for recording digital text in 5-D using a femtosecond laser. The portable memory technology could store vast quantities of information — 360 TB on a disc — for more than a million years.
Transistor Works with Light, Not Electricity
VIENNA, July 9, 2013 — An electrical charge applied to an ultrathin layer of material can change the polarization of terahertz light beams, creating the optical equivalent of an electrical transistor, its creators say.
CZTSe Solar Cells Achieve 9.7% Efficiency
HEVERLEE, Belgium, July 8, 2013 — A copper zinc tin selenide (CZTSe)-based solar cell has achieved 9.7 percent efficiency, bringing the solar industry a step closer to a sustainable alternative to CIGS-based solar cells, its creators say.
Listening to Blood Cells
TORONTO, July 8, 2013 — Red blood cells struck with laser light generate high-frequency sound waves that could help researchers to differentiate normal blood cells from abnormal ones for the diagnosis of blood-related diseases.
Fluorescent Fingerprint Tag IDs ‘Hidden’ Prints
LEICESTER, England, July 3, 2013 — Criminals might want to think twice before touching anything, now that a new fluorescent tagging technique could yield higher-confidence identifications from latent fingerprints on metal surfaces.
Adding Color to Solar Cells
JENA, Germany, July 2, 2013 — Fashion sometimes is about style over substance, but to make solar cells stylish, efficiency cannot be sacrificed for design flexibility.
Flexible Display Center Makes Largest OLED TFT
TEMPE, Ariz., July 2, 2013 — A prototype of the largest flexible color OLED display — nearly twice the size of its predecessor announced last May — was manufactured using mixed-oxide thin-film transistors (TFTs).
Algorithms precisely predict color from OLED designs
EINDHOVEN, Netherlands – OLED design processes could improve – and costs could drop – thanks to a technique that precisely calculates the color of light produced from white OLEDs. Regarded as the light sources of the future, OLEDs are flexible and transparent...
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July 2024
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