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electrodes News
Fast Phase Modulator Is World's Most Compact
KARLSRUHE, Germany, Feb. 24, 2014 — Using electro-optical signals rather than traditional electrical signals could make the exchange of digital information more efficient.
Detector Details Waveforms of Laser Pulses
MUNICH and GARCHING, Germany, Jan. 15, 2014 — A simplified detector for measuring pulsed laser radiation takes an important step toward complete control over the waveform of pulsed laser light, a necessary development for highly sensitive and reliable measurements of ultrafast physical...
Laser Car Ignition Dream Sparks Multiple Approaches
Sep 1, 2012 — Laser car ignition systems promise better fuel efficiency and lower pollution than conventional ones – as long as the technology continues to develop. As calls for improved energy efficiency and reduced auto emissions grow ever louder,...
There’s Gold in Them Thar Windows
COVENTRY, England, April 8, 2011 — A new method for the preparation of ultrathin gold-based glass electrodes is being developed for organic solar cells. Because gold is considered an air-stable metal that is already widely used for interconnects, it will likely replace indium tin...
Nanotube Solar Funnel Concentrates Light
CAMBRIDGE, Mass., Sept. 14, 2010 — Chemical engineers at MIT have used hollow tubes of carbon atoms to concentrate solar energy 100 times more than would a regular photovoltaic cell. Such nanotubes could form antennas that capture and focus light energy, potentially allowing much...
Ion Trap for Quantum Computing
GAITHERSBURG, Md., April 7, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have built and tested a device for trapping electrically charged atoms (ions) that potentially could process dozens of ions at once with the most versatile control of any trap...
Restoring vision with photovoltaic optoelectronics
Mar 18, 2010 — As life expectancy increases, our eyes bear the brunt of aging; many of the elderly suffer from vision problems. One of the leading causes of eye problems in the Western world is macular degeneration. To correct this, retinal implants, generally...
Implant Stimulates Sight
CAMBRIDGE, Mass., Sept, 23, 2009 – Inspired by the success of cochlear implants that can restore hearing to some deaf people, researchers at MIT are developing a retinal implant that could one day help blind people regain a useful level of vision. The eye implant is designed for...
Ion Trap Senses Force, Light
GAITHERSBURG, Md., July 6, 2009 – Miniature devices for trapping ions are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at NIST holds promise as a stylus for sensing very small forces and light particles for quantum...
Efficient Tandem White LEDs
COLLEGE PARK, Md, April 8, 2009 – A new type of LED made from cheap, plastic-like organic materials and designed with a simplified tandem structure can produce twice the light of a normal LED, scientists at the Chinese Academy of Sciences reported.
Particles' Surprising Moves
RALEIGH, N.C., March 3, 2008 -- Microscopic Janus particles -- spheres whose halves are physically or chemically different -- have been found to propel themselves in unexpected ways when an electric field is applied. Researchers at North Carolina State University (NC State) in...
Nanodevice Emits Light
ITHACA, N.Y., Oct. 12, 2007 -- Nanotechnologists have discovered some of the fundamental physics of a material that holds promise for producing light-emitting, flexible semiconductors. The discovery by an interdisciplinary team of Cornell nanotechnology researchers involved...
Eye Implant Monitors Pressure
DUISBURG, Germany, Sept. 5, 2007 -- An artificial lens with an integrated sensor is being developed as a permanent implant that could provide better long-term monitoring of high pressure in the eye, blood vessels, bladder or brain. If the pressure in the eye is too high, nerve...
Observing Heat Move Through Molecules
Sep 1, 2007 — In molecular electronics, long-chain molecules bound to electrodes are used as tiny switches. However, where electrons flow, heat goes, and the manner in which heat moves at the molecular level through materials used in electronic devices is of...
Liquid 'Legos' Sense Light
OXFORD, England, June 20, 2007 -- A unique microscopic light sensor uses millimeter-sized water droplets and hair-thin electrodes to turn water droplets into protocells: empty, artificial cells that can be filled with different cellular components. In theory, networks of protocells...
Electrospinning Creates Tiniest Light-Emitting Devices
ITHACA, N.Y., April 12, 2007 -- The smallest organic light-emitting devices to date have been created, so tiny that they are shorter than the wavelength of light they emit. Potential applications for these "nanolamps," which are about the size of a virus or bacteria, include...
Laminated OLEDs Avoid Vacuum Processing
Aug 1, 2006 — Investigators at GE Global Research in Niskayuna, N.Y., may have found a way to make OLEDs practical for general lighting applications. They have demonstrated a simple roll-to-roll lamination process that could be used to fabricate an OLED-based...
New Ion Trap May Lead to Working Quantum Computer
GAITHERSBURG, Md., July 11, 2006 -- Physicists have built a novel electromagnetic trap for ions that they said could be easily mass produced, potentially leading to ultrafast quantum computers large enough for practical use in complicated tasks such as breaking data encryption...
New Organic LED Designs Presented
May 1, 2006 — Organic LEDs (OLEDs) are of interest as low-cost replacements for LCDs because they are easier to fabricate and do not require a backlight to function, potentially making them more energy efficient. Two groups of researchers at National Taiwan...
Pulse Delivered by Hollow Optical Fiber Creates Spark
Sep 1, 2005 — Research shows that significant improvements in combustion efficiency can result when the igniting spark in an internal combustion engine is in the center of the cylinder rather than along the walls or near the electrodes, where the ignition kernel...
(20 results found)
April 2024
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