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beams News
Celestial light switch reveals lunar ranging data
May 5, 2014 — When certain members of the universe play a linear game of hide-and-seek, humans pay attention: Many don special solar glasses; others stay up late to catch sight of a burnt-orange moon. Solar and lunar eclipses are sights to behold, appearing just a few times a year and visible only to certain geographies. The power of an eclipse, however, can be harnessed for uses other than wonder: On Dec. 21, 2010, a group of scientists exploited the unique qualities of a lunar eclipse for the sake of
High-Energy Laser Optics Require Coatings in Their Own League
Sep 1, 2010 — Sure, your laser pointer doesn’t have the power to punch through the wall, but high-fluence CO2 and other heavy-duty beasts of burden can carve through sheet metal, slice 1/4-in. steel into intricate shapes and drill smooth holes into parts...
Photonics West 2010 Sets Records
SAN FRANCISCO, Feb. 5, 2010 — SPIE Photonics West completed its debut at the Moscone Center in San Francisco last week with the final attendance count at 18,327, a record for the event. The new venue was a hit with attendees, and provided welcome room for growth. Both the...
Laser Energetics Garners Laser Order
MERCERVILLE, N.J., Jan. 19, 2010 – Laser Energetics Inc., a strategic laser product line developer, has received an order from an undisclosed distributor in Ohio for its Dazer Laser units. The distributor h...
New Lens: GRIN on Steroids
DURHAM, N.C., Dec. 21, 2009 -- Engineers created a new generation of gradient index (GRIN) lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater detail, although what they fashioned looks more like a...
Vistec, MIET to Collaborate
Dec 14, 2009 — Vistec Electron Beam GmbH of Jena, Germany, has announced its entrance into a joint electron beam lithography project with Moscow Institute of Electronic Technology (MIET). The two will collaborate on a photomask manufacturing project that began...
LHC Smashes Speed Record
GENEVA, Nov. 30, 2009 – CERN’s Large Hadron Collider (LHC) outside Geneva became the world’s highest-energy particle accelerator by accelerating its twin beams of protons to an energy of 1.18 TeV, breaking the previous record of 0.98 TeV held by Fermi Lab’s Tevatron...
LHC: The Beams are Back
GENEVA, Nov. 23, 2009 – Particle beams are once again circulating in the Large Hadron Collider (LHC), 14 months after an electrical failure caused serious damage to the world’s most powerful particle accelerator, which straddles the borders of France and Switzerland and is...
UK, China Fund Spintronics Study
Jul 2, 2009 — A team of researchers from the University of Surrey and two other institutions have been awarded a grant of around £430,000 (about $704,000) to develop prototype ultrasmall-scale silicon structures for "spintronic" semiconductors. Jointly awarded by...
New Light Beamed on Life
SALT LAKE CITY, Feb. 11, 2009 -- Using "hotspots" of bright white light generated when silver nanoparticles are hit with infrared laser light, a new microscopy method reveals the internal structure of nearly opaque biological materials like bone or man-made materials such as...
A Fibre Fix for the Big Bang Machine
GENEVA – News coverage of the Large Hadron Collider (LHC) showed severe signs of overheating as its start time approached in September. Some tabloids predicted that the world would be sucked into a black hole created by the €3 billion physics supermachine,...
Lensless Camera Uses X-rays
ARGONNE, Ill., Feb. 21, 2008 -- A lensless camera uses x-rays to take high-resolution images of ultrasmall structures buried inside nanoparticles, nanomaterials, and biological specimens. Scientists at Argonne National Laboratory, in collaboration with those from the...
Yb-Fiber Laser Is Efficiently Pumped at an Oblique Angle
Feb 1, 2008 — Fiber lasers can be optically pumped by coupling the pump light directly into the fiber core, but because the acceptance angle of the core is relatively narrow, core pumping requires a high-quality — low divergence — pump beam (Figure 1a). Because...
Sensors Detect Bridge Flaws
ALBUQUERQUE, N.M., Aug. 7, 2007 -- The deadly collapse of an interstate bridge in Minneapolis, Minn., last week brought to light the deteriorating condition of hundreds of bridges and overpasses in the US, and has focused attention on a number of systems under development -- ranging...
Eye Safety in the Laser Lab
Mar 1, 2007 — If one played a word-association game with the term “laser safety,” the most common responses probably would be eyewear, goggles and, perhaps, eye injury. But as with so much in life, there is more to laser safety than immediately meets the eye. An...
Researchers Edge Closer to Building Tabletop X-Ray Laser
BOULDER, Colo., Feb. 26, 2007 -- A team of researchers has developed a new technique to generate laser-like x-ray beams, removing a major obstacle in the decades-long quest to build a tabletop x-ray laser that could be used for biological and medical imaging. For nearly half a...
New Imaging Method Uses Helium Atoms
EUGENE, Ore., Aug. 1, 2006 -- A newly devised nozzle fitted with a pinhole-sized capillary has allowed researchers to distribute helium atoms with x-ray-like waves on randomly shaped surfaces. The technique could power the development of a new microscope for nanotechnology,...
NIST Atomic Clock Uses Yb 'Pancakes'
Mar 27, 2006 — GAITHERSBURG, Md., March 27, 2006 -- Scientists at the National Institute of Standards and Technology (NIST) working with Russian colleagues said they have significantly improved the design of optical atomic clocks to become more stable and accurate...
NIST Atomic Clock Uses Ytterbium 'Pancakes'
Mar 27, 2006 — GAITHERSBURG, Md., March 27, 2006 -- Scientists at the National Institute of Standards and Technology (NIST) working with Russian colleagues said they have significantly improved the design of optical atomic clocks to become more stable and accurate...
LLNL Awards $6.8M for More Sensors
Feb 28, 2006 — BLACKWOOD, N.J., Feb. 28, 2006 -- Adaptive Optics Associates Inc., a maker of electro-optic and optomechanical products, has received $6.8 million in additional funding from Lawrence Livermore National Laboratory (LLNL) for sensor packages and light...
Single-Mode Fiber Laser Generates 125 W Tunable over 20 nm
Dec 1, 2005 — Powerful single-frequency lasers are required for many scientific and engineering undertakings, such as gravity-wave detection and coherent combination of multiple beams. Such sources also have potential as very high power transmitters in...
National Ignition Facility Installs Its 1000th Optical Element Unit
Nov 23, 2005 — LIVERMORE, Calif., Nov. 23 -— The staff at the National Ignition Facility (NIF), the world's largest laser project, has surpassed an ambitious goal set a year ago -- to install 1000 line-replaceable units (LRUs) by the end of October 2005. The...
Small Smile Produces Big Output from SCOWLs
Sep 1, 2005 — Researchers at Massachusetts Institute of Technology's Lincoln Laboratory in Lexington have combined the beams from 100 slab-coupled optical waveguide lasers (SCOWLs) to generate 35 W of near-diffraction-limit output power at 915 nm. The high beam...
(23 results found)
April 2024
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