News tagged with photon detection
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Search results for photon detection
Lower energy could lead to more biological imaging at LCLS
While SLAC's Linac Coherent Light Source was designed to push the limits as a high-energy X-ray laser, users' requests have led staff at the facility to successfully step it back to a lower minimum energy ...
May 30, 2012 |
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A new generation of acoustic measurements
NPL scientists have made the first measurements of airborne acoustic free-field pressures using a laser technique based on photon correlation spectroscopy.
May 29, 2012 |
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The need for speed
Coherent Raman scattering methods have one key advantage over spontaneous Raman microscopy: speed. The (sub-)microsecond pixel dwell times offered by narrowband CRS imaging methods have initiated a new era ...
May 29, 2012 |
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Ghostly gamma-ray beams blast from Milky Way's center
(Phys.org) -- As galaxies go, our Milky Way is pretty quiet. Active galaxies have cores that glow brightly, powered by supermassive black holes swallowing material, and often spit twin jets in opposite directions. ...
May 29, 2012 |
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Researchers create glasses that indicate obstacles to patients with visual handicaps
People with moderate visual impairment, particularly those who have difficulty perceiving the full extent of their surroundings, could use the ingenious device that these UC3M scientists have created. “This ...
May 28, 2012 |
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Non-invasive intracellular 'thermometer' with fluorescent proteins created
A team from the Institute of Photonic Sciences (ICFO) has developed a technique to measure internal cell temperatures without altering their metabolism. This finding could be useful when distinguishing healthy ...
Nanotechnology / Bio & Medicine
May 23, 2012 |
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Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector
A team of engineers at Stanford and the University of Pennsylvania has for the first time used "plasmonic cloaking" to create a device that can see without being seen - an invisible machine that detects light. It is the first ...
May 21, 2012 |
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Measuring transient x-rays with lobster eyes
(Phys.org) -- A technology that mimics the structure of a lobster's eyes is now being applied to a new instrument that could help revolutionize X-ray astronomy and keep astronauts safe on the International ...
May 18, 2012 |
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NRL RAIDS experiment advances ionospheric remote sensing
Naval Research Laboratory scientists have obtained a first-ever measured altitude profile of a dim extreme-ultraviolet terrestrial airglow emission that provides vital information needed to test and improve ...
Space & Earth / Earth Sciences
May 18, 2012 |
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Gamma ray optics: A viable tool for a new branch of scientific discovery
Scientists at the Institut Laue-Langevin (ILL) have demonstrated for the first time that gamma rays, a highly energetic form of light produced by radioactive decay of atomic nuclei and amongst other used to ...
May 09, 2012 |
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List of search results for photon detection
