In their experiment the Bonn University scientists tested a completely new principle of cooling. For this, they used the property that atoms can be stimulated by light. In this process an electron changes from its orbit around the atom's nucleus to an orbit that is further away.
Predatory fish are well aware of the problem: In a swarm of small fish it is hard to isolate prey. A similar situation can be found in the microcosm of atoms and molecules, whose behavior is influenced by "swarms&qu...
Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light in a space smaller than a single protein molecule.
A new project to speed up the transfer of groundbreaking research and development from the North West Laser Engineering Consortium (NWLEC) to Northwest businesses has been given the go ahead following the confirmation of an £882,000 investment from the Northwest European Regional Development Fund (ERDF).
Resolve Optics Ltd. has announced its presence at the forthcoming Photonex 2009 and VISION 2009 exhibitions.
Researchers in France, Germany, Switzerland and the UK have discovered new electron properties that could lead to useful applications in computers and lasers.
A group of researchers in Australia and Taiwan has developed a new way to analyze the health of human teeth using lasers. As described in the latest issue of Optics Express, the Optical Society's (OSA) open-access journal, by measuring how the surface of a tooth responds to laser-generated ultrasound, they can evaluate the mineral content of tooth enamel -- the semi-translucent outer layer of a tooth that protects the underlying dentin.
Researchers have modified nanoparticles known as "Cornell dots" to make the world's tiniest laser -- so small it could be incorporated into microchips to serve as a light source for photonic circuits. The device may also have applications for sensors, solar collectors and in biomedicine.
Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, said Vladimir Shalaev, the Robert and Anne Burnett Professor of Electrical and Computer Engineering at Purdue University.
The new Genesis 355-150 S from Coherent, Inc. (Santa Clara, CA) (Nasdaq: COHR) sets a new power record for true CW ultraviolet solid-state performance, delivering over 150 milliwatts of TEM00 output for flow cytometry and other live-cell bio applications.
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