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University of California Santa Barbara News
With Laser, Electromagnetic Bottleneck ‘Shattered’
LOS ANGELES, SANTA BARBARA, Calif., and TALLAHASSEE, Fla., Sept. 20, 2012 — Using a high-power laser to amp up decades-old electron paramagnetic resonance spectrometers has yielded a more efficient tool for revealing details about the structure of targeted molecules.
NSF Award Creates Partnership
Aug 1, 2012 — The National Science Foundation awarded $3.3 million to the University of Texas at El Paso and the University of California, Santa Barbara, to establish a long-term partnership for materials science and engineering research, including solar energy....
First Nonpolar Violet VCSEL Reported
SANTA BARBARA, Calif., July 23, 2012 — The first violet nonpolar vertical-cavity surface-emitting lasers based on m-plane gallium nitride semiconductors have been developed and could lead to higher optical efficiency lasers at reduced manufacturing costs for lighting, displays and sensor...
Search for Higgs Boson at LHC Reveals New Particle
GENEVA, July 5, 2012 — Two Large Hadron Collider (LHC) experiments presented preliminary results Wednesday that describe a new particle consistent with the long-sought Higgs boson, the famous missing ingredient in the Standard Model of particle physics. The findings could...
Laser mixing generates multifrequency light
SANTA BARBARA, Calif. – A groundbreaking laser mixing technique can manipulate electron-hole collisions to create many frequencies of light simultaneously. This mechanism for ultrafast light modulation has potential applications in high-speed optical communications. ...
$3.3M NSF Award Creates Research Partnership
EL PASO, Texas, May 31, 2012 — The National Science Foundation awarded $3.3 million to the University of Texas at El Paso and the University of California, Santa Barbara, to establish a long-term partnership for materials science and engineering research.
Interferometry Advances Black Hole Observations
SANTA BARBARA, Calif., May 22, 2012 — A new technique that combines the light of three powerful infrared telescopes allows astronomers to see objects in that wavelength 130 million light-years away without having to build singularly massive and expensive telescopes specifically designed...
New LED Design Drops the Droop
SANTA BARBARA, Calif., May 4, 2012 — A new manufacturing design that changes the orientation of the crystal structure in semiconductor films has yielded blue and green LEDs with high efficiency and extremely low droop.
Laser Mixing Generates Multifrequency Light
SANTA BARBARA, Calif., March 29, 2012 — A groundbreaking laser mixing technique can manipulate electron-hole collisions to create many frequencies of light simultaneously. This mechanism for ultrafast light modulation has potential applications in high-speed optical communications.
Transparency discovery could benefit LEDs, touch screens
SANTA BARBARA, Calif. – Scientists have uncovered the fundamental limitations of optical transparency in tin dioxide (SnO2), a common conducting oxide. The discovery could lead to more energy efficient photovoltaics, LEDs and LCD touch screens. Transparent conducting...
Transparency Limits on Conducting Oxides Identified
SANTA BARBARA, Calif., Jan. 25, 2012 — Scientists at the University of California, Santa Barbara, have used tin dioxide (SnO2) to uncover the fundamental limitations of optical transparency in conducting oxides. The finding could lead to more energy-efficient photovoltaics, LEDs and LCD...
Nanoscale technique designed for MS diagnosis
SANTA BARBARA, Calif. – A new nanoscopic imaging technique may lead to experimental methods for early detection and diagnosis of – and possible treatments for –pathological tissues that are precursors to multiple sclerosis (MS) and similar diseases. ...
Droop root identified
SANTA BARBARA, Calif. – Nitride-based LEDs are efficient, nontoxic and long-lasting, but they are considered impractical for general lighting because of a drop in efficiency when operating at high power. And now we know why this happens. Researchers at the University...
New Nanoscale Imaging May Lead to New Treatments for Multiple Sclerosis
SANTA BARBARA, Calif., May 24, 2011 — A new method of nanoscopic imaging may lead to experimental methods for early detection and diagnosis — and to possible treatments — for pathological tissues that are precursors to multiple sclerosis and similar diseases. Chemical...
LED Efficiency Puzzle Reportedly Solved
SANTA BARBARA, Calif., April 21, 2011 — Nitride-based LEDs are efficient, nontoxic and long-lasting, but they are considered impractical for general lighting because of a drop in efficiency when operating at high power. Researchers at the University of California said they have now...
It’s high “NOON” for microwave photons
SANTA BARBARA, Calif. – An important milestone toward the realization of a large-scale quantum computer and further demonstration of a new level of the quantum control of light were accomplished by a team of scientists at the University of California, Santa Barbara (UCSB),...
NSF Awards $1.72M to Keck I
KAMUELA, Hawaii, Sept. 22, 2010 — The W. M. Keck Observatory has received a $1.72 million grant from the National Science Foundation (NSF) to design the first near-infrared tip-tilt sensor used to correct for the turbulence in Earth’s atmosphere. The improvements will increase...
Green Laser Absorption Loss Culprit ID’d
SANTA BARBARA, Calif., Aug. 6, 2010 — Computational scientists at the University of California, Santa Barbara (UCSB) believe they have identified the source of absorption loss in green lasers. The team investigated the light absorption by carriers in nitride lasers and identified the...
Dark Matter Measures Age of Universe
DAVIS, Calif., March 23, 2010 — Astronomers from the United States and Europe have used a gravitational lens – a distant, light-bending clump of dark matter – to make a new estimate of the Hubble constant, which determines the size and age of the universe. The Hubble constant...
DARPA Funds Packet Router Team
May 3, 2004 — SANTA BARBARA, Calif., May 3 -- A team of researchers in industry and higher education, led by a group at the University of California, Santa Barbara, has been awarded major financial support by the Defense Advanced Research Project Agency (DARPA)...
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May 2024
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