More Science and Research Articles

Reducing substitutional carbon in AlN LED substrates boosts deep-UV LED efficiency

05/15/2012

Raleigh, NC--Researchers from North Carolina and Japan have developed a more-efficient UV LED potentially useful in sterilization of bacteria and viruses.

Gold- and silver-free metamaterial shows negative refraction in the near-IR

05/14/2012 West Lafayette, IN--To create an alternative to the use of silver and gold in metamaterials, researchers at Purdue University, the Russian Quantum Center (Moscow, Russia), and DTU Fotonik, Technical University of Denmark (Lyngb...

Photoacoustics screen for breast cancer without X-rays

05/08/2012 Twente, The Netherlands--Researchers from Netherlands' University of Twente and Medisch Spectrum Twente Hospital in Oldenzaal are now using photoacoustics rather than ionizing radiation to detect and visualize breast tumors.

Northrop Grumman demonstrates anti-cruise missile laser weapon

05/06/2012 Redondo Beach, CA--Northrop Grumman tested fired the first of its Firstrike family of high-energy, solid-state lasers, demonstrating that it could burn through the skin and critical components of a target drone used to simulate...

M Squared Lasers secures investment for growth in remote sensing

05/04/2012

Glasgow, Scotland--The UK-based Business Growth Fund has invested £3.85 million of capital in M Squared Lasers, taking a minority stake in the company and joining the board of directors.

Refraction of gamma rays in silicon opens the way for gamma-ray optics

05/04/2012

Garching, Germany and Grenoble, France--A team of European researchers has discovered "significant" refraction of gamma rays by silicon.

NOVEL PHOTONIC MATERIALS: Artificial material transforms itself from dielectric to metal

05/04/2012 Experimental work led by physicists at Queens College, City University of New York (CUNY) in collaboration with City College of CUNY combined with theoretical work from Purdue University and the University of Alberta has uncove...

Isolated attosecond pulses produced via "lighthouse effect" take snapshots of electron motion

05/03/2012

Essonne, France--Physicists from France and Canada are using isolated, precisely timed attosecond pulses of light to study the fleeting motions of electrons.

STRONG-FIELD PHYSICS: Ultrafast pulses, gold nanotips renew classical view of the photoelectric effect

05/03/2012 Scientists at the University of Göttingen have demonstrated that in the so-called strong-field regime—the interaction of extremely high-intensity laser light with atoms and surfaces—classical dynamics may indeed prevail in phot...

CLEO/Laser Focus World 2012 Innovation Awards

05/01/2012 The 2012 CLEO/Laser Focus World Innovation Awards program is designed to honor the most timely, groundbreaking products in the field of photonics and laser science. The awards are sponsored by Laser Focus World and the Conferen...

Quantum-dot VCSELs can emit anywhere in the visible spectrum

04/30/2012 Providence, RI and Watertown, MA--Researchers at Brown University and QD Vision are engineering a better form of colloidal quantum dots for use in quantum-dot lasers, which can be made to emit light anywhere in the visible spec...

MIT researchers create nanostructured surface for glass that is antireflection, hydrophobic, and antifogging

04/27/2012 Cambridge, MA--A surface nanostructure that is photolithographically etched onto glass by scientists at the Massachusetts Institute of technology (MIT) gives the glass both water repellancy and antireflection qualities.

Cree sets new R&D white-light LED luminous-efficacy record of 254 lumens per watt

04/26/2012

Durham, NC--LED maker Cree, Inc. (Nasdaq: CREE) has created an experimental white-light LED that has a luminous efficacy of 254 lumens per watt.

Compressed sensing allows super-resolution single-molecule microscopy imaging of live cell structures

04/26/2012 Atlanta, GA--Researchers from the Georgia Institute of Technology and the University of California San Francisco (UCSF) have pushed the limits of super-resolution microscopy, using single-molecule identification at higher speed...

CLEO show to move to June in 2013

04/26/2012

Washington, DC--Next year's Conference on Lasers and Electro-Optics (CLEO), held annually in San Jose, CA, will take place in June rather than its usual May, moving to June 9–14, 2013.

Rydberg technique from Georgia Tech rapidly and efficiently creates single photons

04/25/2012

Atlanta, GA--Georgia Tech physicists developed a new way to rapidly and efficiently create single photons for optical quantum information processing and other applications.

3.2 billion pixel LSST camera project gets DOE "Critical Decision 1" approval

04/24/2012

Menlo Park, CA--The Large Synoptic Survey Telescope (LSST) camera received "Critical Decision 1" approval by the DOE to move into the next stage of the project.

Laser treatment of burn scars helps military and civilian patients

04/20/2012 Kissimmee, FL--Physicians, scientists and engineers at the 32nd Annual Conference of the American Society for Laser Medicine and Surgery (ASLMS) this week are reviewing innovative new laser treatments that can reduce disfigurem...

U. of Cambridge process may greatly reduce cost of solar-grade silicon

04/19/2012

Cambridge, England--A new process developed by scientists at the University of Cambridge has the potential to drive down the cost of manufacturing solar-grade silicon by a factor of five or more.

X-ray diffraction reveals 3D mechanics of germanium-crystal arrays

04/18/2012 Grenoble, France--Scientists at the European Synchrotron Radiation Facility (ESRF) are using X-ray diffraction to thoroughly understand a new type of nanostructure -- square arrays of germanium (Ge) pillars that have very compl...

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Laser Focus World Magazine

Laser Focus World

05/01/2012
Volume 48, Issue 05

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