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University of California News
Food allergen worries? There’s an app for that
Mar 1, 2013 — Food allergy sufferers: Wouldn’t it be nice if you could simply scan food with your smartphone to check for potentially lethal allergens? Well, get ready: A personalized food allergy testing system called iTube could bring peace of mind a step closer to your daily bread. The mini lab – which uses colorimetric assays, test tubes, LEDS and a smartphone-based digital reader – was created by Aydogan Ozcan and colleagues at the University of California, Los Angeles. The system mu...
Incoming asteroid! Set lasers on “vaporize”
Mar 1, 2013 — As this issue went to press, an asteroid roughly half as large as a football field – and with energy equal to that of a large hydrogen bomb – readied for a flyby of Earth. A proposed system could eliminate a threat of this size in the...
Lasers probe planet formation
LIVERMORE, Calif. – Experiments using high-power lasers could help scientists understand how planets are formed. Phase changes in liquid magmas at pressures and temperatures that exist deep inside Earth-like planets could provide insight into the processes that govern...
Fiber Optic Advances Announced at OFC/NFOEC
Mar 7, 2012 — LOS ANGELES, March 7, 2012 — From the ability to incorporate a hybrid tunable laser on silicon to breaking digital communications speed limits with graphene-based optical modulators, the latest news and research in optical communications is...
Laser Research Provides Insight into Planet Formation
LIVERMORE, Calif., Feb. 14, 2012 — Phase changes in liquid magmas at pressures and temperatures that exist deep inside Earth-like planets could provide insight into the processes that govern planet formation.
Cold hands, safe code?
Nov 1, 2011 — Those of us who will soon experience winter’s wrath can perhaps take small comfort in the thought that our cold hands could help deter the theft of our security codes from bank ATMs. You see, warm hands and thermal imaging can help thieves...
Capasso Receives Czochralski Award
CAMBRIDGE, Mass., Oct. 12, 2011 — Federico Capasso of the Harvard School of Engineering and Applied Sciences has been awarded the 2011 Jan Czochralski Award. Capasso is the Robert L. Wallace Professor of Applied Physics and Vinton Hayes Senior Research Fellow in Electrical...
New Materials Build Better Organic Photodetectors
Aug 1, 2011 — Organic photodetectors are destined to enhance numerous sectors ranging from industrial markets for process control, object recognition and light management to consumer electronics for motion detection and interactive surface applications. OPDs,...
Lens-free chip enables microfluidic integration
LOS ANGELES – A new lens-free chip and image processing algorithm combines optical sensors, holography and digital tomography to render high-resolution, high-contrast images while avoiding the limitations of lens-based optical microscopy. Developed by scientists...
Wildfire Threatens Los Alamos National Lab
LOS ALAMOS, N.M., June 27, 2011 — A wind-driven wildfire is threatening Los Alamos National Laboratory, home to the Trident laser, the Roadrunner supercomputer and many National Nuclear Security Administration weapons programs.
New Laser on Keck II Telescope Inspires Photographers
KAMUELA, Hawaii, June 13, 2011 — The new laser on the W.M. Keck II telescope on the Big Island of Hawaii has inspired two avid Mauna Kea photographers to capture the light show in a series of stunning images and videos. The Keck II Observatory operates two 10-meter...
Bilayered nanocrystals could bring cleaner energy
BERKELEY, Calif. – New bilayered nanocrystals made of metal-metal oxide that feature multiple catalytic sites on nanocrystal interfaces could mean big things for industrial catalysis and for clean green energy technologies such as artificial photosynthesis. For the...
Genetic tags illuminate life
SAN DIEGO – A new type of genetic tag made by modifying a plant protein has the potential to illuminate life in never-before-seen detail. Scientists from the University of California, San Diego (UCSD), School of Medicine have re-engineered a...
Graphene Optical Modulators Could Speed Communications
BERKELEY, Calif., May 12, 2011 — Digital communications speed limits could soon be broken, thanks to a new graphene-based optical device that could theoretically reach as high as 500 GHz for a single modulator. Xiang Zhang, an engineering professor at the University of...
Optical Fiber Device Promises Safer Drug Delivery
IRVINE, Calif., April 12, 2011 — A new optical fiber-based drug delivery device promises to unlock the potential of photosensitive chemicals to kill drug-resistant infections and perhaps cancer tumors as well. The device was designed and constructed by researchers Jie Chen, Thomas...
Hybrid Glass-Polymer Optics for IR Applications
Apr 1, 2011 — Development of infrared detector technology has brought to market high-performance infrared cameras for demanding thermal imaging applications in the short-wave, mid-wave and long-wave spectral bands. There is a vast demand for high-performance...
Light Scattering Controlled in Graphene
BERKELEY, Calif., March 21, 2011 — Controlling the way light is scattered in graphene has been achieved, providing a new tool for the study of these single sheets of carbon that may lead to practical applications for controlling light and electronic states in nanometer-scale devices...
OFC/NFOEC to Spotlight Optical Communications Advances
LOS ANGELES, March 3, 2011 — Boosting undersea cable capacity without increasing optical bandwidth, upgrading fiber to radio frequency over glass (RFoG), and data transportation on light trails are just a few of the topics to be discussed at the Optical Fiber Communication...
A Pig and a Chicken Open a Diner…
Jan 24, 2011 — Andrew Hargadon has worn many hats over the years. Trained as a mechanical engineer, he found himself in Silicon Valley in the early nineties – he was one of the self-proclaimed “geniuses” working for Apple at the time – and...
Future Bright for Nanopillar Light Collectors
BERKELEY, Calif., Nov. 22, 2010 — Sunlight represents the cleanest, greenest and far and away the most abundant of all energy sources, and yet its potential remains woefully underutilized. High costs have been a major deterrent to the large-scale applications of silicon-based solar...
Laser Controls Quantum State in Diamond
SANTA BARBARA, Calif., Nov. 2, 2010 — Laser light has successfully been combined with trapped electrons to detect and control the electrons' fragile quantum state without erasing it. This is an important step toward using quantum physics to expand computing power and to communicate over...
Atomic Behavior Recorded in Real Time
SAN JOSE, Calif., Sept. 24, 2010 — IBM announced a breakthrough to its 20-year-old scanning tunneling microscope technology on Friday that gives scientists the ability to record, study and visualize the extremely fast spin of electrons inside individual atoms, in real time. Similar...
DNA Helps Chemists Build Artificial Nose
STANFORD, Calif., Aug. 25, 2010 — A new approach to building an artificial nose – using fluorescent compounds and DNA – could accelerate the use of sniffing sensors into the realm of mass production and widespread use, say Stanford University chemists. If their method...
LBNL and 3D Icon Pen Nanocrystal Deal
TULSA, Okla., July 27, 2010 — Lawrence Berkeley National Laboratory at the University of California has signed a materials transfer agreement to provide specialized nanocrystals to 3D Icon Corp, located in Tulsa, Okla. "We have completed and patented the rendering of 3-D...
Spin-Statistics Theorem Survives Test
BERKELEY, Calif., June 28, 2010 — The most rigorous trials yet of a fundamental assumption about how particles behave on the atomic scale has been conducted at the University of California at Berkeley. "We tested one of the major theoretical pillars of quantum field theory,...
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