Similar Articles |
|
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 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 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 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 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 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 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 August 27, 2003 |
Crystal shortens infrared waves Researchers from Sandia National Laboratories have found a way to make a tungsten photonic crystal emit 1.5 micron lightwaves, which are in the near-infrared, or heat range. This makes it useful for thermal photovoltaic devices, which turn heat into electricity. |
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. |
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 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. |
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 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 June 1, 2005 |
Lasers Built Into Fiber-Optics Researchers have crossed a gas-filled fiber optic laser with ordinary fiber optics to make a Raman laser and a frequency stabilizer -- devices that provide precise control of laser beams. |
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 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. |
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. |
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. |
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 March 10, 2004 |
Patterned fiber makes tiny scope Researchers from the University of Sydney in Australia have found a way to make an endoscope that's a dozen times smaller than today's 10-millimeter versions. The technology should make it possible to image areas that are inaccessible today. |
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 5, 2003 |
Rig fires more photon pairs Massachusetts Institute of Technology researchers have moved the field of quantum communications forward with entangled photon beams that contain specific wavelengths of light and are relatively bright. |
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. |
PC Magazine October 10, 2007 Anton Galang |
Computing Sees the Light Imagine a CPU clocked at a few hundred terahertz. Physicists are close to making this happen. |
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. |
Technology Research News November 5, 2003 Eric Smalley |
Crystal bends light back Being able to bend light backwards is extremely useful. This negative refraction is controversial in physics circles and has only been demonstrated using artificial materials containing metal loops. It turns out that a common natural crystal has harbored this capability all along. |
IEEE Spectrum February 2006 Justin Mullins |
Butterfly Effect The structure that makes one LED researcher's device so special has recently been found to be similar to a sophisticated method of manipulating light discovered in the African swallowtail butterfly Princeps nireus. |
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. |
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 |
Chemistry World January 28, 2008 Lewis Brindley |
Colourful Crystals Monitor Humidity Chinese chemists have developed a material that changes color according to the humidity of the air around it. |
Technology Research News June 16, 2004 |
Laser Tweezer Grabs Varied Specks Researchers have advanced the use of optical tweezers with a method that allows them to simultaneously trap and independently manipulate microscopic materials that have different indices of refraction. |
Reactive Reports Issue 33 David Bradley |
Two-faced Liquid Crystals A new class of programmable liquid crystals could be used to make variable optical filters for laboratory instrumentation and digital cameras; they might even be used to treat dyslexia. |
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. |
Technology Research News October 6, 2004 |
Crystal structure tunes nanowires A new process that controls the crystal structure of nanowires made from specific semiconductors may enable electronic components, such as light-emitting diodes and laser diodes, with tunable properties. |
Chemistry World March 29, 2011 |
A Single Scale Tells More Than a Whole Wing Scientists in China have made zinc oxide replicas of single scales from butterfly wings to understand and exploit their optical properties for sensor and solar cell applications. |
Chemistry World January 11, 2008 Victoria Gill |
Fish Scales Hold Dazzling Secret Scientists in Israel have discovered the surprising secrets of the specialized crystals in fish skin that allow them to shimmer. |
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. |
Chemistry World April 18, 2011 Kate McAlpine |
Shaping crystals with bio-tools Researchers in the US have developed a new approach for controlling crystal growth, borrowing tools from biology. |
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 September 30, 2010 James Urquhart |
Weightlifting crystals Japanese researchers have created a co-crystal that reversibly bends like human muscle when exposed to ultraviolet and visible light. |
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. |
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 December 31, 2003 Eric Smalley |
Light frozen in place Researchers at Harvard University have trapped and held a light pulse still for a few hundredths of a millisecond. |
New Architect November 2002 John Pearson |
Crystal Decisions Crystal Enterprise 8.5 Reporting at the individual level means being able to access information, format it, and share it in a meaningful way. Reporting at the enterprise level means the same thing, with many added dimensions. Crystal Enterprise 8.5 handles these functions with ease. |
Technology Research News June 2, 2004 |
Process Nets Cheap Microstructures Researchers from Boston College have demonstrated that it's possible to use relatively inexpensive polymers to construct tiny structures using multiphoton-absorption photopolymerization. |
Military & Aerospace Electronics January 2006 |
PPGI Makes Missile-Warning Sensors Designers at ATK Missile Systems have chosen Photonic Products Group to make optical components for a missile warning system that protects U.S. aircraft in Iraq from shoulder-fired missiles. |
Military & Aerospace Electronics May 2008 |
DARPA looks to HRL Laboratories to develop photonic signal processor The Defense Advanced Research Projects Agency has awarded a $1.5 million contract to develop the photonic analog signal-processing engines with reconfigurability -- otherwise known as PhASER. |
IEEE Spectrum October 2005 Paniccia & Koehl |
The Silicon Solution In the future, ordinary silicon chips will move data using light rather than electrons, unleashing nearly limitless bandwidth and revolutionizing computing |