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Research & Technology News

Optical gratings could make quantum tech portable
GLASGOW, Scotland, and LONDON – A microfabricated chip that produces ultracold atoms could lead to portable, ultraprecise clocks and quantum sensors. Many of the most accurate measurement devices, including atomic clocks, work by observing how atoms transfer between individual quantum states. The highest precision is obtained with long observation times, often using slow-moving ultracold atoms prepared in a large apparatus. “The longer the transition of atoms can be observed, the more precisely they can be measured...
Spray-on flat lens works in the UV
GAITHERSBURG, Md. – A new, easily fabricated metamaterial-based flat lens that bends and focuses UV light could improve photolithography, nanoscale manipulation and manufacturing, and even high-resolution 3-D imaging, say its developers, scientists working at the...
Universal Light Absorption Law Discovered in 2-D Semiconductors
BERKELEY, Calif., Aug. 1, 2013 — A simple law of light absorption observed in 2-D semiconductors could make exotic new optoelectronic and photonic technologies a reality.
Speed Limit for Electrical Switching Revealed
MENLO PARK, Calif., July 31, 2013 — An optical laser pulse has shattered the ordered electronic structure in an insulating sample of magnetite, switching the material to electrically conducting in a picosecond (one-trillionth of a second). The discovery could lead to faster, more...
Nanocrystals Could Inform Nanocomposite Design
BERKELEY, Calif., July 30, 2013 — An optomechanical sensing technique that uses fluorescent tetrapod quantum dots to precisely measure the tensile strength of polymer fibers with minimal impact on their mechanical property could pave the way to stronger nanocomposite designs.
Tweaks Turn Microscope into Billion-Pixel Imager
PASADENA, Calif., July 30, 2013 — A method that converts a relatively inexpensive conventional microscope into a billion-pixel imaging system could improve the efficiency of digital pathology and provide robust microscopes to medical clinics in developing countries.
Color-Changing Mechanism Behind Cephalopods Revealed
SANTA BARBARA, Calif., July 29, 2013 — The mechanism responsible for the dramatic color changes in underwater creatures such as squid and octopuses has been revealed. Understanding how cephalopods change color could lead to new approaches to making tunable filters and switchable photonic...
Ultrafast Laser Researcher Wins LIA Schawlow Award
ORLANDO, Fla., July 29, 2013 — Ultrafast laser research pioneer Dr. Ursula Keller has been named the first female recipient of the Laser Institute of America’s (LIA) Arthur L. Schawlow Award.
Laser-Controlled Switch Turns Blood Clotting On, Off
CAMBRIDGE, Mass., July 26, 2013 — Laser-controlled gold nanoparticles that release DNA molecules to switch blood clotting on and off could help doctors better control blood clotting in patients undergoing surgery, or promote wound healing.
Nanoenhanced Biosensor Detects Single Proteins
BROOKLYN, N.Y., July 25, 2013 — The microcavity biosensor that set a record by detecting the smallest single virus in solution has reached a new breakthrough: detecting a single label-free cancer marker protein. The achievement, which shatters the previous record and sets a new...
OU Awarded Grant to Commercialize Mid-IR Detector
NORMAN, Okla., July 25, 2013 — A University of Oklahoma research team has received a $236,000 applied research grant from the Oklahoma Center for the Advancement of Science and Technology to develop and commercialize IV-VI semiconductor mid-IR detectors for military and...
Perfecting Digital Imaging
CAMBRIDGE, Mass., July 25, 2013 — The best software and video cameras lag behind reality, unable to capture images that look exactly the way our eyes expect them to look. But new research in computer graphics could change all that, advancing artificial vision, 3-D displays and video...
Controlling Genes with Light
CAMBRIDGE, Mass., July 24, 2013 — A single pulse of light can rapidly start or halt the expression of any gene of interest, giving researchers a new tool for better understanding its function.
Solar Steam Sterilizes with Sunlight
HOUSTON, July 24, 2013 — A “solar steam” sterilization system that uses light-harvesting nanoparticles to convert as much as 80 percent of sunlight energy into germ-killing heat could be a boon for more than 2.5 billion people who lack adequate sanitation.
Light Source Links Vitamin D Deficiency to Accelerated Bone Aging
BERKELEY, Calif., July 23, 2013 — Sunshine may be bad for your skin, but it is good for your bones, and now researchers in California and Germany have discovered that a deficiency in vitamin D — the sunshine vitamin — can accelerate premature bone aging by increasing the risk of...
Optical Coatings Take a Leap Forward
VIENNA, and BOULDER, Colo., July 23, 2013 — A novel crystalline coating technique that produces low-loss mirrors could help accelerate progress in the development of lasers for precision measurement applications.
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...
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,...

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