Laser researchers in Munich are challenging a basic assumption of engineering: "You can't have it all." They have shown that for certain kinds of laser applications in biomedical imaging, material processing, and communications, ...
Optics & Photonics
Jun 3, 2013
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Harvard physicists have developed a novel technique that can detect molecular variants in chemical mixtures – greatly simplifying a process that is one of the most important, though time-consuming, processes in analytical ...
Analytical Chemistry
May 22, 2013
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Spinning-disk confocal microscopy is an optical imaging technique that can be used to generate detailed three-dimensional fluorescence images of living cells and their contents. Although a powerful tool for observing dynamic ...
General Physics
May 17, 2013
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Thanks to USB sticks and video streaming, DVD players are becoming all but obsolete. But their cheap optics may find a new life in a cost-effective and speedy technique for on-the-spot HIV testing and other analytics.
Optics & Photonics
Apr 11, 2013
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Commercial laser printers typically produce pin-sharp images with spots of ink about 20 micrometers apart, resulting in a resolution of 1,200 dots per inch (dpi). By shrinking the separation to just 250 nanometers—roughly ...
Nanophysics
Apr 11, 2013
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(Phys.org)—Scientists working at SLAC's Linac Coherent Light Source have captured the first single-shot X-ray microscope image of a magnetic nanostructure and shown that it can be done without damaging the material.
General Physics
Aug 31, 2012
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(Phys.org) -- In the first successful experiment of its type at SLAC's Linac Coherent Light Source, scientists used terahertz frequencies of light to change the magnetic state of a sample and then measured those changes with ...
General Physics
Jul 27, 2012
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(PhysOrg.com) -- It is not always easy to distinguish between images and mirror images of molecules, but this knowledge is important when one image of a molecule is a drug and the mirror image is toxic. One new approach to ...
Analytical Chemistry
Mar 9, 2012
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Ghost imaging (GI), and its even more oddly named cousin virtual ghost imaging (VGI), seem to contradict conventional wisdom by being able to image an object by simply counting photons in a "light bucket." This non-intuitive ...
General Physics
Feb 15, 2012
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(PhysOrg.com) -- One of the banes of modern existence is surely the time spent in traffic backups. Oftentimes these backups occur as the result of accidents and the resulting investigative work that goes on before cleanup ...
