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NIST News
John Hall Elected OSA Honorary Member
Jun 29, 2007 — The OSA board of directors recently elected Nobel Laureate John L. Hall as an honorary member of the society for his pioneering work on high-precision laser metrology and fundamental optical tests of physical principles. Hall is a senior fellow emeritus of the National Institute of Standards and Technology (NIST) and an adjoint fellow of JILA (formerly the Joint Institute for Laboratory Astrophysics), an institute run by NIST and the University of Colorado-Boulder. Hall is known as a preeminent...
Spectroscopy Tools Developed
GAITHERSBURG, Md., June 11, 2007 -- Calibration tools have been developed to help correct and confirm the performance of analytic instruments that identify substances based on fluorescence. Recent years have seen a significant increase in the development and use of...
Nanoscale LEDs Emit UV Light
GAITHERSBURG, Md., May 25, 2007 -- Nanowires have been used to create tiny, highly efficient ultraviolet LEDs that could help build the next generation of biosensors and optical communications devices. Researchers at the National Institute of Standards and Technology (NIST) in...
Mass Weddings Conducted
GAITHERSBURG, Md., April 13, 2007 -- For physics and technology applications as diverse as quantum information theory and telecommunications, it’s handy to have access to pairs of photons created simultaneously, with a chosen energy. A new two-photon source devised at the National...
Vermont Photonics: Accuracy is Precisely the Point
BELLOWS FALLS, Vt., April 12, 2007 -- Any drama at Vermont Photonics Technologies Corp. headquarters in Bellows Falls, Vt., on a recent winter day is of the everyday kind. Office Manager Gloria Zucker monitors coming and goings at the 5000-sq-ft facility, part of a complex in a...
Cutting-Edge Research to be Discussed at CLEO/QELS 2007
BALTIMORE, Md., March 30, 2007 -- One of the industry's leading events on laser science, CLEO/QELS (Conference on Lasers and Electro-Optics and the Quantum Electronics and Laser Science Conference), will present more than 1500 talks on cutting-edge optics and photonics research when...
Optics, Photonics Research to be Discussed
BALTIMORE, Md., March 30, 2007 -- One of the industry's leading events on laser science, CLEO/QELS (Conference on Lasers and Electro-Optics and the Quantum Electronics and Laser Science Conference), will present more than 1500 talks on cutting-edge optics and photonics research when...
James Turner Named NIST Deputy Director
Mar 20, 2007 — National Institute of Standards and Technology (NIST) Director William Jeffrey announced that James M. Turner has been selected as NIST deputy director and will begin on April 16. In his new role, Turner will assist in setting the strategic...
Nanoelectronic Switch Works Like Frozen Lightning
GAITHERSBURG, Md., March 5, 2007 -- Researchers have demonstrated a prototype nanoscale electronic switch that works like lightning -- except for the speed. Their proof-of-concept experiments reported last month demonstrate that nanoscale electrical switches can be built from...
Lasers Reveal Spintronic Secrets
BOULDER, Colo., Feb. 20, 2007 -- Physicists are using ultrashort pulses of laser light to reveal precisely why some electrons, like ballet dancers, hold their spin positions better than others -- work that may help improve spintronic devices, which exploit the magnetism or "spin"...
Method Quickly Judges Nanotube Purity
GAITHERSBURG, Md., Feb. 2, 2007 -- A sensitive new method has been developed for quickly assessing the quality of carbon nanotubes. Initial tests show that the method is not only faster than the standard technique but also screens much smaller samples, better detects sample...
Laser-based Process Purifies Carbon Nanotubes
GAITHERSBURG, Md., Jan. 2, 2007 -- Conventional ways of purifying carbon nanotubes -- necessary if they are to be used in the future as ultrastrong fibers, electrical wires in molecular devices or hydrogen fuel cell components -- are expensive processes that often result in some...
'Vortex Lattices' May Help Explain Material Defects
BOULDER, Colo., Dec. 27, 2006 -- By superimposing a rotating pattern of intersecting laser beams on a spinning cloud of ultracold atoms in a thin gas, scientists have created a new technique that could be used to simulate why and how defects arise in superconductors, which are...
Rare Glimpses of Light Recorded From Neutrons
GAITHERSBURG, Md., Dec. 22, 2006 -- A team of researchers have made the first experimental observation of rare particles of light emitted during the radioactive decay of the neutron, a key building block of matter. This work confirms theoretical predictions of this type of neutron...
Mechanical Motion 'Spins' Atoms in a Gas
GAITHERSBURG, Md., Dec. 11, 2006 -- For the first time, scientists have used mechanical motion to make atoms in a gas "spin." The technique eventually might be used in high-performance magnetic sensors, to enable power-efficient chip-scale atomic devices such as clocks, or serve as...
Optical Atomic Clock Has Most Precise 'Ticks' Ever
BOULDER, Colo., Dec. 1, 2006 -- Using an ultrastable laser to manipulate strontium atoms trapped in a "lattice" of light, scientists at the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder have demonstrated the capability to produce...
Physicist Wins American Physical Society's Keithley Award
Dec 1, 2006 — The American Physical Society (APS) has named physicist Kent Irwin as recipient of the society’s 2007 Joseph F. Keithley Award For Advances in Measurement Science. The award recognizes “physicists who have been instrumental in the development of...
Cutting Edge 'Nanoknife' Made
GAITHERSBURG, Md.. & BOULDER, Colo., Nov. 27, 2006 -- Researchers have designed a carbon nanotube knife that, in theory, would work like a cheese slicer, precisely cutting thin slices of cells. The scientists said the "nanoknife" could one day become a tabletop biology tool. The research team from...
'Tornadoes' Transferred From Light to Sodium Atoms
GAITHERSBURG, Md., Nov. 10, 2006 -- For the first time, tornado-like rotational motions have been transferred from laser light to atoms in a controlled way. The new quantum physics technique can be used to manipulate a state of matter called Bose-Einstein condensate (BEC) and possibly...
Hybrid Microscope Combines Optics, Ultrafast Laser
BOULDER, Colo., Oct. 27, 2006 -- A new hybrid device that combines an optical microscope with an ultrafast laser could be used to simultaneously image both the electronic and physical patterns in devices such as nanotransistors or to identify the chemicals or elements that comprise...
A Simple Way to Make Self-Assembling Particles
GAITHERSBURG, Md., Oct. 16, 2006 -- From a butterfly’s iridescent wing to a gecko’s sticky foot, nature derives extraordinary properties from ordinary materials like wax and keratin. Its secret is hierarchical topology: macroscale structures assembled from microscale components of...
NIST Releases New Standard for Semiconductor Industry
Oct 13, 2006 — The National Institute of Standards and Technology (NIST) in Gaithersburg, Md., has issued its first standard for the chemical composition of thin-film semiconductor alloys, with the goal of improving a wide range of optical electronic devices....
Quantum Encryption Codes Sent Over Record Distances
LOS ALAMOS, N.M., Sept. 26, 2006 -- Using an innovative sensor for detecting single photons, the smallest particles of light, scientists have set two significant distance records for distributing "keys" (or codes) for quantum encryption, the most secure method known for protecting the...
UMaryland, NIST and NSA Create Joint Quantum Institute
COLLEGE PARK, Md., Sept. 11, 2006 -- Officials from the University of Maryland, the Commerce Department’s National Institute of Standards and Technology (NIST) and the National Security Agency today announced the creation of a joint research institute designed to advance quantum...
Gold Nanoparticles Prove to be Hot Stuff
GAITHERSBURG, Md., Sept. 6, 2006 -- Gold nanoparticles are highly efficient and sensitive handles for biological molecules being manipulated and tracked by lasers, but they also can heat up fast -- by tens of degrees in just a few nanoseconds -- which could either damage the molecules...
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June 2024
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