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Research & Technology News
Laser Tech to Improve Free Space Communications
HOBOKEN, N.J., April 13, 2011 — A high-speed communications technology not limited by a physical conductor such as fiber optics has been developed using laser light to transmit data through readily available open space. This optical free space communication could lead to faster Internet for the masses, to supersensitive scanners and could result in a more mobile military. Dr. Rainer Martini's quantum cascade laser at the Ultrafast Laser Spectroscopy and Communication Laboratory. (Images: Stevens Institute of Technology)...
Laser Used at Sea to Set Boat Afire
ARLINGTON, Va., April 13, 2011 — The Navy and Northrop Grumman have successfully tested a solid-state, high-energy laser (HEL) from a surface ship, using it to set a smaller target vessel on fire. The Office of Naval Research said the April 6 test of the Maritime Laser...
Slow Light Slowed Even More
Buffalo, N.Y., April 13, 2011 — New nanomaterials that allow different wavelengths of light to be trapped have the potential to boost data storage communications. Qiaoqiang Gan, an assistant professor of electrical engineering at the University at Buffalo's School of...
Lancaster Award to Aid Photonics Research
LANCASTER, England, April 12, 2011 — Lancaster University was awarded €500,000 as part of a European program to encourage the next generation of photonics research. The €4.8 million program, Postgraduate Research on Photonics as an Enabling Technology, is financed through the...
Optical Fiber Device Promises Safer Drug Delivery
IRVINE, Calif., April 12, 2011 — A new optical fiber-based drug delivery device promises to unlock the potential of photosensitive chemicals to kill drug-resistant infections and perhaps cancer tumors as well. The device was designed and constructed by researchers Jie Chen, Thomas...
Nerve Cells Controlled via Light Pulses
FRANKFURT, Germany, April 11, 2011 — Using channelrhodopsins — ultralight-sensitive membrane proteins that can be inserted into cell membranes — researchers now can precisely control nerve cell activity with weak light pulses. Because channelrhodopsin has a slightly...
Optical Nanoantennas Could Improve Data Transfer
STUTTGART, Germany, April 11, 2011 — Metallic antennas 100 nm in size that efficiently receive optical frequencies in the range of several hundreds of terahertz have been realized by researchers, who say this breakthrough could speed up optical data transfer. Physicists at the...
‘Spincasting’ Could Influence Optics
RALEIGH, N.C., April 8, 2011 — A technique called “spincasting,” which uses centrifugal force to distribute a liquid onto a solid substrate, is being investigated with the hope that it can create thin films of nanoparticles on an underlying substrate for optics and...
There’s Gold in Them Thar Windows
COVENTRY, England, April 8, 2011 — A new method for the preparation of ultrathin gold-based glass electrodes is being developed for organic solar cells. Because gold is considered an air-stable metal that is already widely used for interconnects, it will likely replace indium tin...
Acoustical Waves Tapped for Metamaterials
LOS ALAMOS, N.M., April 7, 2011 — A very simple benchtop technique that uses the force of acoustical waves to create a variety of 3-D structures will benefit the rapidly expanding field of metamaterials and its myriad applications. Metamaterials are artificial materials...
Color Holograms Generated Using White Light
TOKYO, April 7, 2011 — A new technique uses ordinary white light instead of a laser to make three-dimensional color holograms that can be viewed at any angle, something that could prove useful in the next generation of 3-D displays, Japanese researchers report....
Tiny Transmission Lines Nanofocus IR Light
USURBIL, Spain, April 6, 2011 — Experiments conducted at nanoGUNE, a new nanoscience and nanotechnology center, show that infrared light can be transported and nanofocused with miniature transmission lines consisting of two closely spaced metal nanowires. This innovation could...
Device Tests for Night-Vision Changes
GRANADA, Spain, April 5, 2011 — A program for testing alterations in night vision has been successfully developed by researchers in the University of Granada's department of optics. Using Software Halo v1.0, the “halometer” can determine a subject’s ability...
Microchannel Advances Open New Industry Applications
CORVALLIS, Ore., April 5, 2011 — A new way to use surface-mount adhesives in the production of low-temperature microchannel heat exchangers has been invented — a technology that researchers say will be needed in next-generation computers, lasers, consumer electronics,...
Real-Time Monitoring of AFM Probes
BOULDER, Colo., April 5, 2011 — A new way to measure the degradation of ultrasmall probes in situ and as it is happening promises to dramatically speed up and improve the accuracy of atomic force microscopy (AFM). If you are trying to measure the contours of a surface with a...
US, UK Fund Photosynthesis Improvements
ARLINGTON, Va., April 4, 2011 — Scientists in the US and the UK have been awarded funding totaling more than $10.3 million to improve the process of biological photosynthesis. The US National Science Foundation (NSF) and the UK Biotechnology and Biological Sciences Research...
Breaking down buildings
MALAGA, Spain – The composition of historic buildings can be analyzed using laser-induced breakdown spectroscopy (LIBS), report researchers from the University of Malaga. A team from the laser laboratory in the university’s chemistry department, led by...
First light-absorbing anti-laser built
NEW HAVEN, Conn. – More than 50 years after the invention of the laser, scientists have built the world’s first anti-laser, paving the way for novel technologies with applications in everything from optical computing to radiology. Scientists at Yale...
Focusing on nanoplasmonics
BERKELEY, Calif. – By imaging fluorescence from gold within a bow tie-shaped plasmonic device, scientists can now study plasmonic fields in nanostructures such as a strand of DNA or a quantum dot without altering the structures’ behavior. Typical plasmonic...
Growing inexpensive silicon microwires
CAMBRIDGE, Mass. – A new, simpler process has been developed that turns silicon into precisely sized and spaced microwires with the potential for practical commercial applications such as solar cells, transistors, integrated circuits, sensors and batteries. ...
It’s high “NOON” for microwave photons
SANTA BARBARA, Calif. – An important milestone toward the realization of a large-scale quantum computer and further demonstration of a new level of the quantum control of light were accomplished by a team of scientists at the University of California, Santa Barbara (UCSB),...
Mapping the Earth’s magnetic field
BERKELEY, Calif. – Mapping the Earth’s magnetic field BERKELEY, Calif. – Current astronomy technology could be used to more accurately measure the Earth’s magnetic field, physicists have found. This development could prove useful in tracking storms,...
Nanolasers grown on silicon surface
BERKELEY, Calif. – Nanolasers now can be grown directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, as well as to powerful biochemical sensors that use optoelectronic chips. The results are...
Navigating the seas with polarized crystals
BUDAPEST, Hungary – You might think that seafaring Vikings who from 900 to 1200 AD traveled thousands of kilometers in the rough waters would have floated adrift on cloudy days. Without a magnetic compass, they often traveled in the long days of summer at high...
New Nanoparticles Change Colors
COLUMBUS, Ohio, April 1, 2011 — Tiny polymeric containers stuffed with red and green quantum dots promise to provide continuous light in biomedical imaging. Engineers at Ohio State University, led by Jessica Winter and Gang Ruan have invented a kind of nanoparticle that shines in...
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July 2024
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