Quantum dot based chemical sensors are safer, smaller, more sensitive
05/16/2012
Giessen, Germany--European Union funded researchers have developed an optical chemical sensor that is safer, easier to install and much more sensitive than most existing chemical sensors. |
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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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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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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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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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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. |
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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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On Demand Webcasts |
Fundamentals of Ion Beam Sputtering for Optical Coatings
This webcast will provide an introduction to ion beam sputtering, how it works and why it is important to the needs of the optics industry. A review of...
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Fundamentals of Miniature Spectrometers
In this one hour instructional webinar, we will discuss the fundamentals of modular spectrometers and how they have evolved into a modern spectroscopic tool.
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Optical Coating Performance in Systems
Angus Macleod of the Thin Film Center Inc (Tucson, AZ) who explains in this live Web event that in order to deal effectively with such effects they must be u...
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200-kHz Swept Light Source for OCT Imaging
NTT-AT introduces new swept light source for OCT imaging.
- High-speed: 200-kHz A-line rate
- Voltage-controlled sweeping formats: k-linear scan available
...
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Scalable High-Power and High-Brightness Fiber Coupled Diode Laser Devices - Photonics West 2012
In this paper we present a detailed characterization of different diode laser sources based on the scalable modular concept. The optical output power is scal...
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Design and Test of Fast Laser Driver Circuits
In industrial laser systems and measurement applications, the designers are challenged with the very demanding task to design and verify fast driver circuits...
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The laser -- its past, present, and future
Invented a half-century ago, the laser was first thought of as "a solution without a problem." However, the effectiveness of coherent light as a to...
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OCT: noninvasive imaging for many purposes
Optical coherence tomography (OCT) takes advantage of the properties of coherent light to create 2D or 3D noninvasive images of turbid or otherwise semitrans...
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