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Research & Technology News

ASD Awards Creative Spectroscopy Projects
BOULDER, Colo., Feb. 3, 2012 — The seven Alexander Goetz Instrument Support Program award recipients for 2012 received recognition for research ranging from hyperspectral analysis to noninvasive identification of artistic materials.
Between Light and Mechanics, A Quantum Connection
LAUSANNE, Switzerland, Feb. 3, 2012 — In a new microscopic system, light is converted into a mechanical oscillation and then back to light in an interaction so strong that it allows oscillator motion control at the quantum level.
New Atomic X-ray Laser Created
LIVERMORE, Calif., Feb. 3, 2012 — The shortest, purest x-ray laser pulses ever achieved were created by aiming the Linac Coherent Light Source at a capsule of neon gas, setting off an avalanche of x-ray emissions.
Quantum Physics Enables Secure Cloud Computing
VIENNA, Feb. 2, 2012 — By combining quantum computing with quantum cryptography, a perfectly secure cloud computing environment was achieved, addressing one of the many challenges facing the current trend of storing information remotely.
“Egg crate” structure optimizes QD-LED performance
CAMBRIDGE, Mass. – A new quantum-dot (QD) LED “egg crate” design turns formerly troublesome ligand molecules into a critical element of a more versatile quantum-dot LED structure for applications in lighting, lasers and displays. Ligands – organic...
Blocked holes boost light on the nanoscale
PRINCETON, N.J. – Capping a hole should block light transmission through that hole, right? Not on the nanoscale. In fact, placing a metal cap over a small hole in a metal film does not stop light from passing through the hole, but rather enhances its transmission....
Cancer Genes Detected with Liquid Lasers
ANN ARBOR, Mich., Feb. 1, 2012 — Genes linked to cancer and other diseases may now be easier to detect with a new method that uses liquid lasers to distinguish mutated DNA from healthy DNA by a single base. “We found a clever way to amplify the intrinsic difference in the signals,”...
Carbon nanotube “forest” hides 3-D objects
ANN ARBOR, Mich. – A unique property of carbon nanotubes – the low refractive index of low-density aligned nanotubes – also can camouflage 3-D objects, making them look like nothing more than a flat black sheet. The tiny cylinders, composed of...
Detectors collect data for NASA droplet combustion experiments
DEXTER, Mich. – A new and more effective radiometric diagnostic device will enable the International Space Station (ISS) to collect data for droplet combustion experiments, thanks to two small infrared thermopile sensor detectors. Along with the 2.9 tons of...
Laser Hints at Magnetism’s Origins
OXFORD, England, Feb. 1, 2012 — Using a high-power laser to simulate the conditions under which the first galaxies formed, scientists may have uncovered a clue as to how magnetism originated in the universe.
Light from vacuum supports quantum principle
GOTHENBURG, Sweden – The quantum mechanical principle that says a vacuum is not empty space but full of particles that fluctuate in and out of existence, has been observed for the first time as photons were coaxed to leave this virtual state and be captured as...
Light-triggered robotic arm bends, stretches
TOKYO – As the world gets smaller and smaller, microrobots and nanomachines become more important for fabrication, assembly and other tasks. Controlling such tiny machines can be problematic – cable-based controls don’t work at such small scales...
Material glows in NIR for two weeks
ATHENS, Ga. – Move over, cheesy glow-in-the-dark plastic toys that take forever to “charge up” with light and that fade to black in a blink. A new material can emit a near-infrared glow for two weeks after a single minute of exposure to sunlight, or...
Microplasma arrays promise to revolutionize lighting
ARLINGTON, Va. – A new plasma-based lighting system comprising microcavity arrays produces inexpensive, wafer-thin, flexible sheets of light – and its creators say it will revolutionize illumination. Just as in a fluorescent light, a microcavity array is...
Optical resonator builds better UV beam
ANN ARBOR, Mich. – An optimized optical resonator can be a better way to build compact ultraviolet light sources with low power consumption, which could lead to improved data storage and chemical analysis. Researchers at the University of Michigan optimized a...
Probing microscopy technique produces green solar cells
PITTSBURGH – A new microscopy technique will help engineers peer more closely inside plastic cells to predict a new way to make them more energy-efficient. Most plastic solar cells today are made from a blend of semiconducting polymers and other carbon-rich...
Laser-Guided Bullet Hits Target a Mile Away
ALBUQUERQUE, N.M, Jan. 31, 2012 — A new dart-like, self-guided bullet that can hit laser-designated targets more than a mile away could help war fighters.
Innovative Light Source Developed
WÜRZBURG, Germany, Jan. 30, 2012 — Significant progress in the fabrication of light sources that emit single particles of light has been made. A collaboration of German physicists has developed tiny components that could ensure that data is no longer “fished for” during transmission...
2011 Prism Award Winners Announced
SAN FRANCISCO, Jan. 26, 2012 — Amplitude Systèmes, PD-LD and 89 North were among nine winners of Prism Awards for photonics innovation announced by Photonics Media and SPIE at a gala banquet Wednesday night during Photonics West. The fourth annual Prism Awards honored 28...
Cooling by Laser Light
COPENHAGEN, Denmark, Jan. 25, 2012 — Using lasers, scientists have developed a novel method to cool semiconductor membrane fluctuations to –269 °C. The technique could pave the way to developing more efficient cooling systems for future ultrasensitive sensors and quantum computers.
Linac Creates 2-Million-Degree Matter
MENLO PARK, Calif., Jan. 25, 2012 — A 2-million-degree piece of “hot, dense matter” was created and probed in a controlled way for the first time using the SLAC's Linac Coherent Light Source. This feat takes scientists a significant step forward in understanding the most extreme...
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...
Biochip Measures Glucose in Saliva, Not Blood
PROVIDENCE, R.I., Jan. 24, 2012 — For the 26 million Americans with diabetes, drawing blood, which is invasive and at least minimally painful, is the most prevalent method of checking glucose levels. Now researchers at Brown University are working on a new biological device that...
T-rays to Enable Tricorder?
LONDON, Jan. 25, 2012 — A new technique to create electromagnetic Terahertz waves (T-rays) — the technology used for full-body security scanners — could one day lead to the development of a Star Trek ‘tricorder’-inspired handheld scanner suitable for better medical...
Carbon Fibers Turned into Graphene Quantum Dots
HOUSTON, Jan. 18, 2012 — Common carbon fiber can be turned into graphene quantum dots in a one-step chemical process much simpler than established techniques for making the semiconducting nanocrystals. This discovery could prove useful in optical, biomedical and electronic...

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