Editor's Picks

Cornell researchers invent alternate approach to Lytro’s “light-field” camera technology

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...

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...
Quantum-dot VCSELs can emit anywhere in the visible spectrum

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...
Laser-based 3D nozzle quality test from Fraunhofer ILT improves laser material deposition

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...

More Photonics News

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.

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

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...

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.

Jeffrey Bairstow

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...
Milton Chang

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...
Integrated food-testing spectrometer is smaller than a sugar cube

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...

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...
3D solar cells generate up to 20 times more energy

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.

Ultrahigh-intensity laser pulses could be measured with relativistic electrons

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.

“Fast” (superluminal) light pulse created in a rubidium-vapor cell

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...
Princeton Instruments spectrograph has Schmidt corrector, eliminating field astigmatism

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.

2D broadband invisibility-cloak array works in the visible spectral region

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...
Photoacoustics screen for breast cancer without X-rays

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.

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...
The intensity profile of pump and signal modes are shown for a few-moded fiber amplifier, along with their normalized intensity profiles as viewed along the x-axis

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

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

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.

A scanning electron micrograph shows a gold nanotip and localized photocurrent from the nanotip apex, while a schematic depicts the photoelectron escape trajectory (with quenched quiver motion) from the nanolocalized field

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...
An ultrafast-laser-produced frequency comb and a virtually imaged phase array create many thousands of frequency modes for distance-measuring interferometry

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.

Temporal shape (autocorrelation) of an ultrafast-laser pulse is varied from Lorentzian to Gaussian by tilting a retroreflector array

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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Laser Focus World Video Journal


Flashy 3D cinema from Kodak? It’s in the works!

At Eastman Kodak, Barry Silverstein is leading the development of a high-brightness laser-cinema projector that has already captured the interest of Imax (in the form of a license!). Here, LFW's John Wallace gets the overview from Barry.

At Eastman Kodak, Barry Silverstein is leading the development of a high-brightness laser-cinema projector that has already captured the interest of Imax (in the form of a license!). Here, LFW's John Wallace gets the overview from Barry.

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