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Research & Technology News

Four-Wave Mixing Generates Superluminal Pulses
GAITHERSBURG, Md., May 8, 2012 — A novel four-wave mixing technique that restructures parts of light pulses to travel faster than the speed of light could improve the timing of communications signals and help examine the propagation of quantum correlations.
Attosecond Lighthouses Illuminate Electron Exchange
ESSONNE, France, May 7, 2012 — A new method to study the motion of electrons in matter using isolated, precisely timed and incredibly fast pulses of light could help to confirm theories of electron motion and yield insights into how and why chemical reactions take place.
Gamma Ray Refraction Could Launch Nuclear Photonics
GRENOBLE, France, May 7, 2012 — For the first time, gamma rays were bent like ordinary light in an experiment that overturns decades of theoretical predictions and opens the door to a new field of research called nuclear photonics.
IR Fourier Analysis Reveals Individual Cell Mechanisms
BERKELEY, Calif., May 7, 2012 — To understand how living cells work, it is important to understand the chemistry inside the cell. One such process is protein phosphorylation, which controls cell proliferation, differentiation, metabolism, signaling as well as apoptosis. Before...
Femtolaser Reveals Cell’s Inner Life
CAMBRIDGE, Mass., May 4, 2012 — A new technique allows the mechanisms of a cell’s mitotic spindle to be observed and measured, which may lead to a better understanding of cancers and birth defects arising from cell cycle disruptions. Researchers at the Harvard School of...
Nanophotonic Detector Targets Nuclear Terrorism
ATLANTA, May 4, 2012 — A new technique for detecting radiation will increase the effectiveness of nuclear surveillance, allowing security officials to easily find and prevent the smuggling of radioactive materials.
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.
A New Wrinkle in Solar Panel Power
PRINCETON, N.J., May 3, 2012 — New flexible, low-cost solar cells, inspired by the microscopic folds found on the surface of a leaf, offer a 47 percent increase in electricity generation.
New Light Source More than 70 Percent Complete
UPTON, N.Y., May 3, 2012 — Construction of the $912 million National Synchrotron Light Source II (NSLS-II) at the US Department of Energy’s Brookhaven National Laboratory is more than 70 percent complete, the facility announced. When operational in 2015, the new light source...
Taking Supercomputing Out of the Lab
TORONTO, May 3, 2012 — Producing finely tuned particles of light for high-speed computing is a complex and time-consuming process, but now a novel solution could make the fabrication of these photons faster and easier.
First Heralded Single Photon Generated from Silicon
SAN DIEGO, May 2, 2012 — For the first time, a heralded single photon was generated from a silicon chip.
Nanostructure Creation Takes Bottom Up Approach
DURHAM, N.C., May 2, 2012 — A bottom-up approach to the self-assembly of microscopic particles into larger crystalline structures – by altering the concentrations of tiny particles and their magnetic fields – could produce the basic components for advanced optics, data storage...
Attosecond laser takes aim at “holy grail” of chemistry research
LONDON – Ultrafast pulses of laser light fired at oxygen, nitrogen and carbon monoxide molecules could pave the way toward imaging the movement of atoms and their electrons as they undergo chemical reactions – one of the holy grails of chemistry...
Camera captures atoms moving in a molecule
COLUMBUS, Ohio – The first real-time image of two atoms vibrating in a molecule was recorded with a new ultrafast camera. A team from Kansas and The Ohio state universities used ultrafast laser pulses to knock one electron out of its natural orbit in a molecule, and...
Hidden 3-D objects imaged
CAMBRIDGE, Mass. – A new ultrafast time-of-flight imaging technique uses reflections from a nonmirrored surface to recover 3-D shapes hidden from sight, essentially allowing the camera to capture images around corners. Scientists at MIT’s Media Lab...
Lab lightning strikes same place more than twice
PALAISEAU, France – With the help of a laser-based lightning rod, laboratory-generated lightning was coaxed to strike the same place not just twice but numerous times, and contrary to the path of least resistance. This advance demonstrates the potential of such rods...
Microlens arrays from a test tube
POTSDAM, Germany – Simple calcium carbonate precipitation at ambient conditions can produce microlens arrays of uniform size and focal length. The process offers a cheaper alternative to lithographic techniques used to create inorganic-based materials. Scientists...
Nanomaterial Yields Many Laser Colors
PROVIDENCE, R.I., May 1, 2012 — Nanocrystals that can produce red, green and blue laser light from a single material could open the door to digital displays and other devices that employ a variety of laser colors all at once.
Random Lasers Fight Noise, Improve Imaging
NEW HAVEN, Conn., May 1, 2012 — A new random laser illumination source for medical imaging equipment could improve the clarity and processing time of images, advancing the fields of microscopy and endoscopy.
Star comb aids search for exoplanets
BOULDER, Colo. – A new laser frequency comb soon may be able to answer one of the most intriguing scientific questions: Are there other earthlike planets in our galaxy capable of supporting life as we know it? A collaboration of the National Institute of...
Supercapacitors created from laser-scribed graphene
LOS ANGELES – A novel graphene-based electrode, produced with a standard LightScribe DVD optical drive, ends the search for an optimal electrochemical capacitor. The discovery could pave the way for a new class of flexible energy-storage devices. ...
Tsunami mapped with laser scanners
SENDAI, Japan – Using eyewitness video and terrestrial lasers to map the epic March 2011 Tohoku tsunami could produce flooding forecasts that influence future evacuation plans and building designs and could help prevent disasters of similar magnitude from taking...
Portable Probe Aims to Speed Oral Cancer Diagnosis
AUSTIN, Texas, April 30, 2012 — A new portable, miniature microscope could reduce the time it takes to diagnose oral cancer.
Webb Telescope Tech Spinning Off
GREENBELT, Md., April 30, 2012 — A stitching technique that improves large asphere measurement and wavefront sensing for the measurement of eye health are among four commercial applications to have spun off new technologies developed for NASA’s James Webb Space Telescope.
3-D Tissue Imaging Improved via Adaptive Optics
CHAMPAIGN, Ill., April 27, 2012 — Real-time, 3-D microscopic tissue imaging could bring the future of medical imaging into focus through a new technique that computationally corrects for aberrations in optical tomography. Precision is vital in medical imaging, where imperfect images...

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