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infrared light News
Chip-Sized Device Converts Beam to Pulses
WEST LAFAYETTE, Ind., Oct. 19, 2011 — A device that can convert continuous laser light into numerous ultrashort pulses and that is small enough to fit on a computer chip has been created by researchers at Purdue University and the National Institute of Standards and Technology (NIST), who said the breakthrough technology may have applications in more advanced sensors, communications systems and laboratory instruments. Dubbed a “microring resonator,” the device creates ultrashort pulses that repeat at rates...
Light at the End of the Funnel: IR Becomes EUV
GARCHING, Germany, Oct. 18, 2011 — The energy of IR light pulses has been concentrated with a nanofunnel and used to generate extreme-ultraviolet (EUV) light flashes. These femtosecond flashes are thought to contain trains of attosecond pulses. Attosecond EUV light pulses are an...
ALICE to Accelerate Bioresearch
CHESHIRE, England, June 29, 2011 — Low-power terahertz rays have proven applications in both security devices and medical imaging, but now the effects of Europe’s most intense terahertz light source on human cells is being researched with the hope of triggering advances in...
‘Carpet Cloak’ Hides More Than its Size Implies
LYNGBY, Denmark, May 3, 2011 — Optical cloaking, the ability to conceal small objects by bending and channeling light around them, is getting a boost from metamaterials in a new technology called “carpet cloaking,” which can conceal a much larger area than other...
Tiny Transmission Lines Nanofocus IR Light
USURBIL, Spain, April 6, 2011 — Experiments conducted at nanoGUNE, a new nanoscience and nanotechnology center, show that infrared light can be transported and nanofocused with miniature transmission lines consisting of two closely spaced metal nanowires. This innovation could...
First light-absorbing anti-laser built
NEW HAVEN, Conn. – More than 50 years after the invention of the laser, scientists have built the world’s first anti-laser, paving the way for novel technologies with applications in everything from optical computing to radiology. Scientists at Yale...
IR Light Activates Heart, Ear Cells
SALT LAKE CITY, March 30, 2011 — By exposing inner-ear cells and heart cells to infrared optical signals, scientists have found that the light actually activates the cells so they can send signals to the brain, a discovery that could lead to optical prosthetics for disorders of...
‘Air Laser’ Sniffs Bombs, Pollutants from Afar
PRINCETON, N.J., Feb. 1, 2011 — A new laser sensing technology that generates a laser beam out of thin air may allow soldiers to detect hidden bombs from a distance and scientists to better measure airborne environmental pollutants and greenhouse gasses. Researchers at Princeton...
Hearing Is Believing
Dec 1, 2010 — Exhibitors at Frontiers in Optics (FiO) 2010, held Oct. 24-28 in Rochester, N.Y., were a pretty bullish bunch, sharing news about hirings, product innovations, facility expansions and other positive developments with the kind of optimism you have to...
Britton Chance: 1913-2010
Nov 24, 2010 — The optics community lost a friend and elder statesman last week. On the morning of Tuesday, November 16, Britton Chance died quietly in the Hospital at the University of Pennsylvania. He was 97. Dr. Chance had a long, celebrated career. He...
Buckyballs in Space
WASHINGTON, July 23, 2010 — Astronomers using NASA’s Spitzer Space Telescope to analyze infrared light from a planetary nebula, have discovered spectral signatures of carbon molecules, known as "buckyballs," in space for the first time. Buckyballs are soccer-ball-shaped...
Method Bends Beams of Light
TEL AVIV, Israel, June 18, 2010 — Contrary to what we learned in science class, that light beams travel in straight lines, researchers have discovered light can indeed be bent. The researchers from Tel Aviv University call these rays ‘Airy beams’ after English...
NIRCam Set for NASA Tests
GREENBELT, Md., June 1, 2010 — A test unit for the Near Infrared Camera (NIRCam) instrument that will fly aboard the James Webb Space Telescope has arrived at NASA’s Goddard Space Flight Center and has been placed in a clean room for a year’s worth of testing. The...
Light Trumps Radio Waves in Security
STATE COLLEGE, Pa., Feb. 3, 2010 – Sending information through light waves is nothing new, but there are limitations. Existing wireless systems either require direct line of sight or are diffused and have low signal strength. Engineers at Penn State have taken a different approach...
Molecules in motion
MUNICH, Germany – Moving and then trapping freely dispersed molecules can be a challenging process, especially if they are suspended in liquid. To lessen the difficulty, a novel method has been developed using infrared light to thermally drive and control...
Broadband Exterior Cloaking
SALT LAKE CITY, Aug. 18, 2009 – A new active cloaking method might someday shield submarines from sonar, planes from radar, building from earthquakes and coastal structures from tsunamis, said a group of mathematicians at the University of Utah.
Repulsive Light Force Rules
NEW HAVEN, Conn., July 13, 2009 – Yale University researchers who had previously discovered an attractive force of light and showed how it could be manipulated to move components in semiconducting micro- and nanoelectrical systems have now discovered a complementary repulsive force,...
Brighter Nanotubes Unveiled
STORRS, Conn., March 9, 2009 – Chemists have found a way to increase the luminescence efficiency of single-walled carbon nanotubes, a discovery that could have significance in medical imaging, homeland security, and biological sensors, among other applications.
IR Light Used to Read Minds
TORONTO, Feb. 11, 2009 – A team of researchers at Bloorview Kids Rehab, Canada’s largest children’s rehabilitation hospital, has used optical brain imaging to develop a technique for decoding the preferences of those who cannot speak or move. The purpose of the method is to...
Everyday Documents Protected with Infrared Technology
Dec 1, 2007 — For those who want to protect everyday documents such as tickets, deeds and licenses against forgery, there have not been a lot of effective or affordable options. Highly sophisticated security features, such as those used in currency and passports,...
Photosensitizers Use IR Source
SOCORRO, N.M., May 16, 2007 -- A new agent to treat certain cancers uses the unique light-emitting properties of specific nanoparticles to deliver tiny, yet therapeutic, dosages of antibodies and reactive oxygen to individual tumor cells or clusters of cells, without affecting...
Telescope Observes 1st Objects in Universe
GREENBELT, Md., Dec. 19, 2006 -- New observations from NASA's Spitzer space telescope strongly suggest that infrared light detected in a prior study originated from clumps of the very first objects of the universe. The recent data indicates this patchy light is splattered across...
Picking Cotton — and Nothing Else
Dec 1, 2006 — Before cotton becomes the fabric of our lives, it must be picked. The problem, however, is that more than cotton ends up being harvested. According to industry figures, 22 percent of the cotton bales gathered worldwide are either seriously or...
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