Lasers & Sources Articles

Photoacoustic imaging benefits from integrated laser-OPO system

Wed, 16 May 2012 17:16:00 GMT

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

Tue, 15 May 2012 19:57:00 GMT

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.

Tue, 15 May 2012 13:31:00 GMT

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 funding.

NIR light source from 89 North provides stable output from 340 to 650 nm

Mon, 14 May 2012 17:12:00 GMT

The PhotoFluor II NIR uses a 1600 hr, pre-aligned lamp with extended NIR transmission.

NIR light source from Ocean Optics for VIS/NIR spectroscopy

Mon, 14 May 2012 16:40:00 GMT

The Vivo NIR source is a compact, tungsten halogen light source for VIS/NIR spectroscopy across the 360–2000 nm range.

Interband cascade laser from Maxion detects petroleum pipeline leaks

Sat, 12 May 2012 17:49:00 GMT

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.

CO2 vs. fiber laser comparison sparks controversy at AKL 2012

Fri, 11 May 2012 19:26:00 GMT

Hot discussions on choosing a fiber laser vs. CO₂ laser highlighted the final busy day of this week's International Laser Technology Conference (AKL) in Aachen, Germany, reports Industrial Laser Solutions' editor-in-chief David A. Belforte.

Ultrahigh-intensity laser pulses could be measured with relativistic electrons

Fri, 11 May 2012 15:43:00 GMT

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.

Four-wave mixing generates multiple superluminal pulses

Fri, 11 May 2012 15:01:00 GMT

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 conjugate pulse in a different spatial mode (and a different frequency) traveling in a different direction.

Ultrashort pulse lasers for 3D micromachining nab innovation prize at AKL 2012

Fri, 11 May 2012 14:16:00 GMT

Stephan Brüning from Schepers GmbH&Co KG received the €10,000 Innovation Award for Laser Technology, presented at this week's International Laser Technology Congress (AKL), went to , for his work in 3D microstructuring of metal surfaces with high-power, ultrashort-pulse lasers.

Report from AKL: No recession in the Midlands

Thu, 10 May 2012 21:11:00 GMT

Despite signs of a double-dip recession in the UK, things have never been busier among domestic laser engineering shops, reports ILS' David A. Belforte.

Hyperspectral SWIR sensors from Headwall selected for U.S. Navy UAVs

Mon, 07 May 2012 21:01:00 GMT

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

Mon, 07 May 2012 02:15:00 GMT

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 anti-ship cruise missile threats to U.S. Navy ships.

M Squared Lasers secures investment for growth in remote sensing

Fri, 04 May 2012 21:30:00 GMT

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.

Vixar raises $2.5M in Series B funding to commercialize VCSEL technology

Fri, 04 May 2012 18:39:00 GMT

Plymouth, MN--Vertical cavity surface-emitting laser (VCSEL) specialist Vixar raised $2.5M in Series B financing from Phoenix Venture Partners (PVP) to commercialize its VCSEL technology.

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

Fri, 04 May 2012 01:00:00 GMT

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

CLEO/Laser Focus World 2012 Innovation Awards

Tue, 01 May 2012 05:00:00 GMT

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 Conference on Lasers and Electro Optics (CLEO).

TERAHERTZ SOURCES: Nanoantennas streamline photomixing terahertz source capabilities

Tue, 01 May 2012 05:00:00 GMT

By incorporating nanoantenna structures into a photomixer, terahertz emission power can be enhanced more than two orders of magnitude compared to a photomixer using typical interdigitated structures.

Quantum-dot VCSELs can emit anywhere in the visible spectrum

Mon, 30 Apr 2012 21:36:00 GMT

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 spectrum.

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

Mon, 30 Apr 2012 11:00:00 GMT

Fraunhofer ILT scientists have performed a laser-based qualitative/quantitative characterization of the powder gas stream in laser deposition processes.