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Cornell researchers invent alternate approach to Lytro’s “light-field” camera technology
Ithaca, NY--A camera taking digital images that can be focused at any time after they’re taken has been invented by researchers...
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Rainbow polymer grating could lead to handheld multispectral imaging devices
Buffalo, NY--A new polymer grating from UB is rainbow-colored when viewed, and could be used as a filter for handheld multispec...
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Quantum-dot VCSELs can emit anywhere in the visible spectrum
Providence, RI and Watertown, MA--Researchers at Brown University and QD Vision are engineering a better form of colloidal quan...
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Laser-based 3D nozzle quality test from Fraunhofer ILT improves laser material deposition
Aachen, Germany--Fraunhofer ILT scientists have performed a laser-based qualitative/quantitative characterization of the powder...
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Photoacoustic imaging benefits from integrated laser-OPO system
05/16/2012
Santa Clara, CA--AlphaScan is a compact integrated optical parametric oscillator (OPO) and pump laser that outputs high energies in the near-infrared (NIR) for photoacoustic imaging. |
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. |
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Canadian government awards funds to Genia Photonics and Photon etc.
05/15/2012
Montreal, Canada--Two photonics firms in Quebec, Genia Photonics and Photon etc., have has been awarded financial assistance. Genia will receive $300,000 in repayable funding and Photon etc. will get $500,000 in repayable fundi...
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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...
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MARKET INSIGHTS: Photonics shows strength in Shanghai
05/14/2012
Since first opening in 2006, LASER World of Photonics China has established itself as the leading lasers and optics tradeshow in China. |
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IN MY VIEW: Where is Hawking’s Nobel Prize?
05/14/2012
“Oh no,” I can just hear you all groaning! “Not another dense little book from an incredibly handicapped guy who can barely flick an eyelid to produce trenchant comments on a computer display so he can communicate with the rest...
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BUSINESS FORUM: Business building blocks have changed
05/14/2012
t took me several years to build a profitable business selling imported lighting products on eBay and Amazon. The business is getting more competitive and these sites are imposing increasingly tighter control over me. I am seri...
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Integrated food-testing spectrometer is smaller than a sugar cube
05/13/2012
Dresden, Germany--A spectrometer only 2.1 cc in volume created by a group at the Fraunhofer Institute for Photonic Microsystems (IPMS) is intended for testing food items for ripeness, water content, and other qualities. The res...
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Interband cascade laser from Maxion detects petroleum pipeline leaks
05/12/2012
Andover, MA--Physical Sciences developed an instrument to detect liquid petroleum product leaks from buried pipelines using Fuelfinder, with interband cascade laser technology from Maxion. |
Corning demonstrates 13,288 km, 40-channel fiber-optic transmission
05/11/2012
A group at Corning Incorporated has demonstrated ultralong-haul fiber-optic transmission spanning more than 10,000 km in two different experiments—both of which involve 112 Gbit/s non-return-to-zero polarization-multiplexed qua...
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3D solar cells generate up to 20 times more energy
05/11/2012
Flat-panel solar photovoltaic (PV) designs benefit tremendously from tracking hardware; however, such hardware increases installation costs and cost per watt—especially for residential installations. |
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Ultrahigh-intensity laser pulses could be measured with relativistic electrons
05/11/2012
Researchers at the Max-Planck-Institut für Kernphysik have proposed an accurate peak-intensity measurement technique that relies on the interaction of the laser pulse with a beam of ultrarelativistic electrons. |
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Four-wave mixing generates multiple superluminal pulses
05/11/2012
Researchers from the National Institute of Standards and Technology (NIST) and the University of Maryland have used a 4WM scheme in a rubidium-vapor cell to generate both a superluminal seed pulse as well as a superluminal conj...
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Princeton Instruments spectrograph has Schmidt corrector, eliminating field astigmatism
05/09/2012
Trenton, NJ--Princeton Instruments has introduced a new toroidal-mirror-based imaging spectrograph that includes a Schmidt corrector in its optics, completely eliminating astigmatism across the field. |
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2D broadband invisibility-cloak array works in the visible spectral region
05/09/2012
In an arXiv preprint, researchers at Towson University and the University of Maryland describe their fabrication of large arrays of small 2D broadband invisibility cloaks that operate in the visible spectral region; the array c...
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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.
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Hyperspectral SWIR sensors from Headwall selected for U.S. Navy UAVs
05/07/2012
Fitchburg, MA--High Efficiency Hyperspec SWIR sensors from Headwall Photonics were selected for airborne applications by the U.S. Navy. |
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...
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OPTICAL FIBER AMPLIFIERS: Few-mode fiber amplifiers assist spatial-division multiplexing
05/04/2012
Researchers at CREOL—The College of Optics & Photonics at the University of Central Florida—and NEC Laboratories America have developed a method for controlling modal gain in a few-mode erbium-doped fiber amplifier (FM-EDFA...
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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...
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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. |
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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...
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INTERFEROMETRY: Frequency-comb interferometer measures absolute distance
05/03/2012
Modifications to a “massively parallel spectroscopy” technique have led researchers to a new means of measuring absolute distance with extraordinary precision. |
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ULTRAFAST OPTICS: Tilted retroreflector array alters ultrafast temporal pulse shape
05/02/2012
A micro-optical retroreflector array is at the heart of a device developed by researchers at the Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie and the Fern Universität Hagen that temporally shapes femtoseco...
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