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Research & Technology News
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. Three-dimensional, true-color image of an apple generated using a new technique of making holograms that allows the image to be viewed using ordinary white light. (Images: ©Science/AAAS) The method differs from conventional techniques becaus...
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...
Organic phosphors glow in jewel tones
ANN ARBOR, Mich. – A new class of pure organic compounds that glow in jewel tones could lead to cheaper, more efficient and more flexible display screens, among other applications. Researchers at the University of Michigan developed a class of material that shines...
Packed atoms boost atomic clock performance
BOULDER, Colo. – JILA scientists have eliminated collisions between atoms in an atomic clock by packing the atoms closer together. The discovery could boost the performance of experimental atomic clocks made of thousands or tens of thousands of neutral atoms trapped...
Photons for quantum computing
GAITHERSBURG, Md. – A reliable source of photons for quantum computers could be a step closer to realization, thanks to scientists at the National Institute of Standards and Technology (NIST) who have found that calculations impossible or impractical to achieve with...
Precise sensor made of hydrogels
WEST LAFAYETTE, Ind. – A new type of biological and chemical sensor made of thin stripes of hydrogel, a gelatinous material that expands and contracts depending upon the acidity of its environment, has been developed by researchers at Purdue University. The sensors,...
QDs Increase Electricity Output of Solar Cells
GOLDEN, Colo., April 1, 2011 — A new study is supporting the multiple-exciton generation (MEG) theory, which speculates that an electron can transfer energy to more than one electron, resulting in more electricity from the same amount of absorbed light. Mark Lusk and...
The RAPID way to next-gen computer chips
COLLEGE PARK, Md. – At the University of Maryland, scientists have achieved a breakthrough in using visible light to make tiny integrated circuits. Although the technology may not become commercially available for more than a decade, it may eventually make it possible...
Near-IR Imaging Refines Robotic Surgery
NEW YORK, March 31, 2011 — A near-infrared fluorescence imaging guided system designed for the da Vinci Si Surgical System was tested this week by the NYU Langone Medical Center, which completed its first surgery this month using the system. The imaging technique provided a...
Simplified Superlens Captures IR Light
BERKELEY, Calif., March 31, 2011 — Superlenses fabricated from perovskite oxides are simpler and easier to fabricate than metamaterials and are ideal for capturing light in the mid-infrared range, potentially opening the door to highly sensitive biomedical detection and imaging, say...
IR Light Activates Heart, Ear Cells
SALT LAKE CITY, March 30, 2011 — By exposing inner-ear cells and heart cells to infrared optical signals, scientists have found that the light actually activates the cells so they can send signals to the brain, a discovery that could lead to optical prosthetics for disorders of...
Seeing Below the Surface
CAMBRIDGE, Mass., March 30, 2011 — A new approach to detecting internal damage in planes and other objects that employs a simple handheld device and heat-sensitive camera promises to replace traditional infrared thermography techniques that require the use of large heaters.
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