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Technology Research News March 24, 2004 |
Irregular layout sharpens light Aperiodic photonic crystal could improve devices that shape, detect and filter light, including communications devices like photodetectors, demultiplexers, which sort wavelengths of light, and channel drop filters, which filter out different wavelengths. |
Technology Research News July 28, 2004 Eric Smalley |
Photonic chips go 3D Computer chips made from photonic crystal promise better communications equipment and ultrafast, all-optical computers |
Technology Research News February 11, 2004 |
Magnets tune photonic crystal Researchers from Fudan University in China have found that it is possible to use a magnetic field to quickly shift or block certain frequencies of electromagnetic signals passing through photonic crystals made from semiconductor material. |
Technology Research News November 3, 2004 |
Photonic Crystal Lasers Juiced Researchers have made a photonic crystal laser that is driven by electric current. The device could eventually be used as a source of single photons for quantum cryptography and communications devices. |
Technology Research News February 9, 2005 |
Lens design promises tight spots A new photonic crystal lens can focus near-field light to a spot one-quarter of the light's wavelength. The device can be used to make smaller, faster computer chips and memory. It could also be used in super-resolution microscopes. |
Technology Research News July 2, 2003 |
Tiny T splits light Researchers at the Swiss Federal Institute of Technology have designed a compact photonic crystal multiplexer that splits a lightwave into two slightly different colors. |
Technology Research News June 18, 2003 Eric Smalley |
Chip sorts colors The simple concept of proportionality is the key to a significant advance in the emerging field of integrated optics -- chips that control light rather than electricity. |
Technology Research News June 4, 2003 Eric Smalley |
Shock waves tune light Researchers from the Massachusetts Institute of Technology have used a computer simulation to show that sending shock waves through photonic crystals could lead to faster and cheaper telecommunications devices, more efficient solar cells, and advances in quantum computing. |
Technology Research News September 8, 2004 |
Photonic Crystal Throttles Light Researchers have showed that the spacing of a photonic crystal can be used to control the timing of light emitted by a quantum dot. |
Technology Research News November 19, 2003 |
Liquid Crystal Tunes Fiber Researchers have combined photonic crystal and liquid crystal to make an optical fiber whose properties can change according to temperature. The combination allows the researchers to change the properties of the light inside the fiber. |
Technology Research News June 29, 2005 |
Crystal promises more light Spontaneous emission from chip-based devices like light-emitting diodes can lower efficiency and create noise. Researchers have created a device that can harness the energy from the emissions and put them towards positive ends. |
IEEE Spectrum February 2012 Neil Savage |
Nanostructures Catch the Light Razor-thin solar cells could be cheap but need a little help holding light in |
Technology Research News February 11, 2004 Eric Smalley |
Light-storing chip charted Storing light, even briefly, was considered impossible until recently. Since scientists have proved it could be done, they've been finding different ways of accomplishing the feat. A proposal for slowing and stopping light in photonic crystal promises to bring these experiments to the chip level. |
Technology Research News November 5, 2003 Eric Smalley |
Crystal fiber goes distance Making fiber-optic lines that are hollow is one step toward more efficient telecommunications. Making lines that are full of holes goes further. Lots of regularly spaced holes bend light, which keeps it on the straight and narrow. |
Technology Research News October 22, 2003 |
Fiber handles powerful pulses Researchers from Cornell University and Corning, Inc. have shown that it's possible to preserve the shape, intensity and color of a very high-power light pulse as it travels through 200 meters of a fiber-optic cable. |
Technology Research News June 1, 2005 Eric Smalley |
Movie Captures Trapped Light Slow light, once better understood, could be used to improve devices like sensors and optical communications equipment. Researchers have moved the field forward with a way to directly observe the phenomenon. |
Technology Research News November 17, 2004 Eric Smalley |
Nanotubes Tune in Light Carbon nanotubes can act as antennas, but instead of transmitting and receiving radio waves, antennas of their size pick up the nanoscale wavelengths of visible light. |
Chemistry World July 1, 2012 Laura Howes |
Fish with Crystal Clear Vision Zoologists and physicists in the UK and Germany have teamed up to understand the construction of the elephantnose fish retina, which is very different from our own. Their eyes are another natural example of photonic crystals, like opals. |
Technology Research News June 4, 2003 |
Semiconductor emits telecom light Researchers from Yale University have made a light-emitting-diode that promises to lower the cost of integrating optical communications and computer chips. |
Chemistry World September 28, 2012 Laura Howes |
Tuning photonic crystals by blending brush polymers Bob Grubbs at the California Institute of Technology in the US, has previously made photonic crystals with brush block copolymers but this precise tuning of the wavelength of reflected light is new. |
CIO March 1, 2003 Christopher Lindquist |
Low-Heat Laptops You won't be able to use your laptop as a portable coffee warmer anymore, if technology from Sandia National Laboratories goes mainstream. |
Technology Research News April 6, 2005 Eric Smalley |
Scheme Reverses Light Pulses Researchers have developed a method for accurately time-reversing electromagnetic pulses, making it possible to receive a light pulse and return a replica of exactly the same size, shape and wavelength. |
IEEE Spectrum February 2010 Edward H. Sargent |
Infrared Optoelectronics You Can Apply With a Brush Infrared quantum dots will lead to cheaper photovoltaic cells. When the fabrication of optoelectronic devices becomes almost as easy as splashing paint on a canvas, our assumptions about the high cost of high-performance optoelectronic devices will be turned on its head. |
National Defense August 2008 Grace V. Jean |
Harnessing the Sun's Energy Through Transparent Photovoltaics Researchers here have developed a small transparent solar cell prototype that may one day capture sunlight streaming in through a window and produce enough electricity to power homes and office buildings. |
Chemistry World December 17, 2007 Jonathan Edwards |
A Simpler Way to Photonic Crystals Chinese scientists have found an easy way to make highly regular crystal structures from a polymer mixture. |
The Motley Fool August 5, 2010 Eric Wesoff |
Can a Disruptive PV Technology Topple First Solar? We list a few candidates for a "new black swan improbable pyro-nano-quantum-thingamajig technology" to displace thin-film PV. |
IEEE Spectrum October 2005 Anna Basanskaya |
Electricity Over Glass Photonic Power offers the option of measuring high currents by placing a transducer directly on the line, obviating the use of transformers to overcome voltage differences, as the power-over-fiber system converts electricity directly to light. |
Wired September 2000 Charles Platt |
Bright Switch A tiny crystal full of holes is about to smash the electronic speed limit, and in the coming photonics era, superfast optical networking is only the beginning. |
Technology Research News November 19, 2003 Eric Smalley |
Switch promises optical chips Computers have historically been electronic rather than photonic because lightwaves, while great for sending signals over long distances, are controlled by equipment that has proven difficult to shrink to computer chip scale. The rise of photonic crystals promises to narrow the gap. |
Chemistry World May 18, 2009 James Urquhart |
Tailored colors for photonic crystals Korean and US scientists have permanently fixed the color of block copolymer photonic crystals by swelling photonic gels and 'freezing' them as they display the desired color. |
Scientific American December 2008 Jesse Emspak |
Chasing Rainbows: Full-Spectrum Photovoltaics From infrared to ultraviolet, a new photovoltaic material responds to the full spectrum of sunlight |
Fast Company Daniel Terdiman |
IBM: Data Centers Could Cool Themselves With Their Own Waste Heat The centers, which use tremendous amounts of energy, will become far more efficient if "waste heat" generated by churning data centers can be converted into cool air. |
Technology Research News January 26, 2005 |
Spray-on Photocells Harvest Infrared Researchers from the University of Toronto have found a way to cheaply and easily harvest the infrared portion of the sun's spectrum of lightwaves with a paint-like material that can be sprayed on large surfaces. |
Chemistry World January 3, 2013 Laura Howes |
How do these edges glow Tungsten disulfide is a semiconductor and in bulk possesses distinct band gaps. Mauricio Terrones' group at Pennsylvania State University in the US, however, have been looking at this material not in bulk, but as a triangular two-dimensional crystal. |
Chemistry World October 28, 2013 Jennifer Newton |
Crystal within a crystal Colleagues at the University of Strasbourg used a molecular tectonics strategy to prepare the crystals. |
Chemistry World February 3, 2011 Ben Merison |
The mystery of the disappearing crystals UK chemists have analysed a fifty year old sample to find out why and say that it's down to impurities. This takes researchers a step closer to understanding why certain pharmaceutical drugs lose their therapeutic effect. |
Technology Research News April 9, 2003 |
Liquid crystals go 3D Researchers from Sheffield University in England and the University of Pennsylvania have unlocked some of the secrets of liquid crystals, materials that self-assemble into lattices of geometric shapes that are neither solid nor liquid, but somewhere between. |
Technology Research News June 16, 2004 |
Scheme Optimizes Light Chips Researchers have borrowed a design tool developed for mechanical engineering to improve the efficiency of nano-size optical waveguides. |
Technology Research News March 23, 2005 |
Tiny crystals adjust laser colors It is possible to use a relatively inexpensive material to split and combine lightwaves to change the color of a light signal. |
Chemistry World November 27, 2014 Tim Wogan |
Cool idea for zero-carbon air conditioning that requires no power source A surface that cools in direct sunlight without a power source has been demonstrated by US researchers |
Technology Research News August 11, 2004 |
Pen writes micro wires Researchers have devised a way to write stripes of gold onto glass to produce microscopic wires. The method could eventually be used to manufacture conductors for tiny electronic devices. |
Chemistry World November 17, 2014 James Urquhart |
Beetle behind breath test for bank notes Simply breathing on money could soon reveal if it's the real deal or counterfeit thanks to a beetle-inspired ink that reversibly changes color in response to humidity. |
Technology Research News March 10, 2004 Eric Smalley |
Red wine mends solar cells Researchers from the University of Toledo have found a way to increase energy production using red wine. |
Chemistry World February 10, 2006 Jon Evans |
Medical Future for Tiny Quantum Dots U.S. researchers have crossed a milestone in biological imaging by developing quantum dots small enough to pass from the blood stream into bodily tissue. |
Military & Aerospace Electronics January 2008 |
Global Market for Photonic Crystals Set for High Growth Through 2013 The market segments are applications of light emission, information technology, optical sensing, energy conversion, light energy delivery, and other applications. |
Reactive Reports December 2006 David Bradley |
Biomolecules Out on a Wing Photonic crystals give butterflies their beautiful colors and synthetic versions are now being developed for a range of technological applications. |
Military & Aerospace Electronics March 2010 John McHale |
Glitter-Sized Photovoltaics May Turn Hats, Shirts, and Pants Into Power-Producing Solar Cells Sandia National Laboratories has developed tiny glitter-sized photovoltaic cells that could turn a person into a walking solar battery charger. |
Technology Research News October 8, 2003 Kimberly Patch |
Crystal slows and speeds light Playing tricks with light -- speeding, slowing and storing it -- is becoming a popular pastime among physicists. The effects could eventually be used to improve communications and data storage and help bring about quantum computing and quantum communications. |