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Army groups collaborate on stronger laser protection
ADELPHI, Md. – More technologically advanced tools of warfare will give soldiers tools not only for offense, but also for defense, if the Army’s Laser Protection Team achieves its mission. The team consists of the US Army Research Laboratory (ARL), the US Army Tank Automotive Research Development and Engineering Center (TARDEC), and the Communications-Electronics Research, Development and Engineering Center (CERDEC), all of which will join forces to identify and develop materials that offer the most e...
Atomic clocks set stability record
GAITHERSBURG, Md. – A pair of experimental atomic clocks based on ytterbium atoms at NIST has set a record for stability. Acting like 21st-century pendulums, the clocks have perfect timing and could potentially swing back and forth with precise ticks for a period...
For phasing nanocrystals, size really matters
BERKELEY, Calif. – Size is of much greater importance than previously believed in metal nanocrystals undergoing phase transformations, a finding that has important implications for the future design of hydrogen storage systems, catalysts, fuel cells and batteries....
Liquid crystal tied into knots to advance photonics
COVENTRY, England – Using a miniature Möbius strip made from silica particles allows liquid crystals to be tied in knots, which could lead to next-generation materials and photonic devices. Liquid crystal knots created around miniature Möbius strip particles...
Lunar mission to test space laser
WALLOPS ISLAND, Va. – With the launch of NASA’s moon-orbiting Lunar Atmosphere and Dust Environment Explorer (LADEE) this fall, the space agency ventured toward what it hopes will be the next paradigm shift in future space communication, especially in deep space....
Nanostructured holograms control light’s intensity, phase, polarization
CAMBRIDGE, Mass. – Combining cutting-edge nanotechnology with holograms results in a novel way to change the intensity, phase and polarization of light rays. Researchers at Harvard’s School of Engineering and Applied Sciences (SEAS) used the holograms to create...
Newport Honored for Optics, Photonics Support
IRVINE, Calif., Nov. 1, 2013 — Newport Corp. was recently given an award from SPIE in recognition of the photonics company’s financial support of students, early-career entrepreneurs and female professionals in optics and photonics. The advanced technology maker has funded...
Phosphors Optimized for Better, Brighter LEDs
SANTA BARBARA, Calif., Nov. 1, 2013 — New guidelines for optimizing phosphors — a key component in white LEDs — could lead to brighter and more efficiently produced solid-state lighting. Researchers at the University of California, Santa Barbara’s Solid State Lighting...
Spaghettilike surface makes stronger SERS sensor
ZURICH, and LIVERMORE, Calif. – Spaghettilike arrays of gold-coated metallic carbon nanotubes can amplify the signals of surface-enhanced Raman spectroscopy (SERS) enough to perform analyses that are more reliable, sensitive and cost-effective. Previously, the detection limit of...
Uses Broaden for Wonky Nanotubes
USURBIL, Spain, Nov. 1, 2013 — A light emitter based on boron nitride nanotubes emits light across much of the electromagnetic spectrum, and can easily be incorporated into current microelectronics technology and used to develop high-efficiency optoelectronic devices, new...
X-rays probe structural properties of solids
BERLIN – A new method uses x-rays to probe the properties of solid materials without destroying them, which could mean big things for superconductivity and chemistry studies. X-ray scattering and x-ray emission spectroscopy are powerful techniques –...
IR Remote Sensor Combines Detection, Imaging
WUHAN & XIAMEN, China, Oct. 31, 2013 — A new dual-band remote sensor splits the infrared radiation given off by an object into a long-wave portion for detection and into a mid-wave portion for spectral analysis to simultaneously detect and image an IR source. All things with a...
SPIE Launching Neurophotonics Journal in 2014
BELLINGHAM, Wash., Oct. 31, 2013 — SPIE is launching the peer-reviewed journal Neurophotonics under Editor-in-Chief David Boas of Massachusetts General Hospital (MGH), the society said this week. The new journal will focus on novel optical technologies for imaging and manipulation of...
THz Plasmonic Crystal is Tunable
ALBUQUERQUE, N.M., Oct. 30, 2013 — Normally the light passing through the atomic structure of a photonic crystal is of a fixed frequency, but light passing through a crystal containing plasma can be tuned by adjusting the voltage applied to it, say researchers in New Mexico. Photonic...
THz QCL Hits Light Output Milestone
VIENNA, Oct. 29, 2013 — Using special symmetrical laser structures, a group in Vienna says it has created a terahertz quantum cascade laser (QCL) with four times higher light output than other such existing devices, crossing a major hurdle to the widespread use of such...
Aston, NSU Partner on Photonics Research Center
BIRMINGHAM, England & NOVOSIBIRSK, Russia, Oct. 28, 2013 — Aston University in England and Novosibirsk State University (NSU) in Russia are partnering to establish a joint research center, the Aston-NSU International Centre for Photonics in Novosibirsk. Both Aston and NSU conduct research in the fields of...
Nanoscale Engineering Advances QD-LEDs
LOS ALAMOS, N.M., Oct. 25, 2013 — New research aims to improve quantum dot LEDs (QD-LEDs) by using a new generation of the nanosized, engineered semiconductor particles specifically tailored to have reduced wasteful charge-carrier interactions that compete with the production of...
NASA Sets Laser Communications Record
LAS CRUCES, N.M., Oct. 25, 2013 — NASA’s Lunar Laser Communication Demonstration (LLCD) transmitted data more than 239,000 miles between the moon and Earth using a pulsed laser beam. The download rate of 622 megabits per second is a record, the space agency said this week....
Replacing Mammography with Light and Ultrasound
ENSCHEDE, Netherlands, Oct. 24, 2013 — A new device called a photoacoustic mammoscope combines infrared light and ultrasound to create 3-D maps of the breast. Its creators hope that it could someday replace the x-rays used in traditional mammography for routine breast cancer screenings....
Universal Display Named Top N.J. Tech Firm
EWING, N.J., Oct. 24, 2013 — OLED technology developer Universal Display Corp. has been named Master Technology Company of the Year by the New Jersey Technology Council (NJTC), the company announced Wednesday. The 2013 NJTC Awards honor the state’s top technology...
Light-Activated Implants Signal Specific Deep Tissue
CAMBRIDGE, Mass., Oct. 23, 2013 — A number of novel therapies under development rely on inducing specific cells to do specific things, but getting the right message to the right group of cells — and at the right time — remains a major challenge. And the use of light to...
Coating Provides ‘IR Camouflage’
CAMBRIDGE, Mass., Oct. 22, 2013 — Military camouflage has taken a step forward with the discovery of a coating that, when heated past a certain temperature, looks colder to thermal cameras. A team of applied physicists at Harvard School of Engineering and Applied Sciences (SEAS)...
Mixing Nanoparticles to Make Multifunctional Materials
UPTON, N.Y., Oct. 21, 2013 — A general approach for combining different types of nanoparticles opens opportunities for mixing and matching such particles with different optical, magnetic or chemical properties to form new, multifunctional materials. The technique, developed at...
Quantum Optics Research Garners APS Award
WASHINGTON, Oct. 18, 2013 — A recent physics graduate from the Rochester Institute of Technology has received an award from the American Physical Society (APS) for his quantum optics research. Hao Shi, a native of China, is a 2013 graduate of RIT’s physics program and is...
Raman Scattering Sped Up for Microscopy
GARCHING, Germany, Oct. 18, 2013 — Improvements to Raman spectroscopy using laser frequency combs allow multiple signals from different parts of a molecule — or even different molecules — to be monitored simultaneously using a single detector. The advance is seen as a...

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