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laser pulse News
Deep Learning-Designed Network Shapes Light Pulse
LOS ANGELES, Jan. 8, 2021 — UCLA researchers developed a method to shape light pulses by creating physical networks composed of specially engineered photonic layers. Networks built on similar concepts, already capable of all-optical classification and image recognition, suggest that applications for the new technology span computing and AI. The researchers created diffractive optical networks that take an input light pulse and pass through 3D-printed layers designed by deep learning, which then shape the output
BSI, ICFO Technologies Study Photosynthesis
EAST LANSING, Mich., and BARCELONA, Spain, Feb. 21, 2014 — Studying photosynthesis at the single-molecule level could lay the groundwork for better understanding of quantum physics’ role in nature. Researchers from the Institute of Photonic Sciences (ICFO) in Barcelona are using their advanced laser...
Record Laser Pulse the Key to Hidden Quantum World
ORLANDO, Fla., Sept. 4, 2012 — The most significant breakthrough in the laser pulse field in four years provides scientists with a new tool to watch quantum mechanics in action — a world hidden from view until now. The work was also accomplished without using specialized...
TIGO laser ranging telescope targets satellites
DARMSTADT, Germany – It was like a planetary-scale video game: Working from orbital predictions, a research team took the first laser measurements of Galileo operational satellites in orbit using lasers in Chile. The Transportable Integrated Geodetic Observatory...
NIR Lasers in Chile Measure Satellites
DARMSTADT, Germany, Dec. 30, 2011 — The first laser measurements of Galileo operational satellites in orbit have been made from Chile. The Transportable Integrated Geodetic Observatory (TIGO) performed the laser ranging at an altitude of 23,230 km using a near-infrared laser beam. The...
Tunable, High-Quality E-beams for Tabletop Accelerators
BERKELEY, Calif., Aug. 23, 2011 — A simple way to tune highly stable electron beams through a wide range of energies for tabletop accelerators has been discovered by researchers in the LOASIS program at the US Department of Energy’s Lawrence Berkeley National Laboratory. The...
‘Air Laser’ Sniffs Bombs, Pollutants from Afar
PRINCETON, N.J., Feb. 1, 2011 — A new laser sensing technology that generates a laser beam out of thin air may allow soldiers to detect hidden bombs from a distance and scientists to better measure airborne environmental pollutants and greenhouse gasses. Researchers at Princeton...
Plasmonic Nanobubbles Kill Cancer Cells
HOUSTON, Oct. 7, 2010 — Plasmonic Nanobubbles Kill Cancer Cells HOUSTON, Oct. 6, 2010 — Rice Plasmonic nanobubbles, generated around gold nanoparticles with a laser pulse, can detect and destroy cancer cells in vivo by creating tiny, shiny vapor bubbles that reveal...
Zooming in on plumes to improve mass spectroscopy
BATON ROUGE, La. – By using a high-speed camera to study plumes created by a tunable infrared laser, researchers at Louisiana State University have revealed some of the mechanisms involved in material ablation. The plume study technique could someday result in better...
Laser Pulses Changed to RF Signals
WEST LAFAYETTE, Ind., March 5, 2010 – A tiny device capable of converting ultrafast laser pulses into bursts of radio-frequency signals using innovative "microring resonators." Such an advance could enable all comm...
Complicated Pulses Measured
ATLANTA, May 12, 2008 -- A device that reveals spherical aberrations in optical components could help biologists, chemists, and other nonlaser scientists easily measure complicated ultrashort laser pulses. Lasers that emit ultrashort pulses of light are used for...
Laser Triggers Thunderclouds
SOCORRO, N.M., April 14, 2008 -- Scientists have used ultrashort laser pulses to trigger electrical activity in thunderclouds, a first step toward creating man-made lightning. In a modern-day take on Benjamin Franklin's experiment during a storm more than 200 years ago with a...
Pulses Shaped at Fs Frequency
WEST LAFAYETTE, Ind., Aug. 1, 2007 -- Engineers have finely controlled the spectral properties of ultrafast light pulses, a step toward creating advanced sensors, more powerful communications technologies and more precise laboratory instruments. The laser pulses could be likened to...
Laser Technique Detects Anthrax in Real Time
COLLEGE STATION, Texas, April 13, 2007 -- A laser technique has been developed that can instantly identify deadly anthrax spores. "Our report shows how to use lasers to detect anthrax in real time as opposed to the cumbersome and wieldy way it is done now," said Marlan Scully,...
Seconds of Data … YEARS OF TRYING
May 1, 2006 — In late May 2005, my colleagues and I performed the first two-way laser link over an interplanetary distance.1 In doing so, we set the record for the longest distance over which a laser pulse has been detected. Not long after the experiment, I...
(15 results found)
April 2024
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