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单词 femtosecond
例句 femtosecond
His work centers on miniaturizing mode-lock lasers -- a unique laser that emits a train of ultrashort, coherent light pulses in femtosecond intervals, which is an astonishing quadrillionth of a second. Photonics team develops high-performance ultrafast lasers that fit on a fingertip 2023-11-09T05:00:00Z
But researchers couldn’t see movement on the electron scale until they could generate attosecond light pulses – electrons move too fast for scientists to parse exactly what they are up to at the femtosecond level. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z
“My Twitter feed was inundated. Every femtosecond, a new picture appeared,” says Scott McIntosh, a solar physicist and deputy director of the National Center for Atmospheric Research. Northern Lights Dance across U.S. because of ‘Stealthy’ Sun Eruptions 2023-03-30T04:00:00Z
Moreover, the short, femtosecond x-ray pulses work like a high-speed camera, helping researchers capture ultrafast processes such as the movement of electrons and atoms. Compact x-ray laser would shrink billion-dollar machines to the size of a room 2023-03-22T04:00:00Z
In the 1990s, physicists developed lasers that produced pulses just femtoseconds long. Playing Zeus, scientists use a laser beam to control lightning bolts 2023-01-16T05:00:00Z
The photons were contained in ultrashort laser pulses lasting just just 150 femtoseconds and were entangled by passing them through two so-called nonlinear optical crystals. Researchers Use Quantum ‘Telepathy’ to Win an ‘Impossible’ Game 2022-10-25T04:00:00Z
That’s how using the attosecond scale, rather than the femtosecond scale, can illuminate electron behavior. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z
The light then travels along with the electrons and pushes them into microbunches, which wiggle in unison and radiate far more strongly, producing a burst of x-rays just femtoseconds long. Tiny diamond mirrors could smooth out already revolutionary x-ray lasers 2021-08-27T04:00:00Z
The bunching also results in a shorter pulse of less than a femtosecond. Compact x-ray laser would shrink billion-dollar machines to the size of a room 2023-03-22T04:00:00Z
European scientists have recently discovered that a key part of quantum computers — photonic circuits — can turn invisible when red femtosecond laser pulses are shone through them. The ways our modern tech stack up to sci-fi and fantasy marvels 2020-11-06T05:00:00Z
Measuring them requires equipment capable of discriminating between femtoseconds. Submarine cables could be repurposed as earthquake detectors 2018-06-16T04:00:00Z
To keep the laser from vaporizing the material, Hsieh strikes it with a pulse that lasts only tens or hundreds of femtoseconds. What Are the Limits of Manipulating Nature? 2018-05-25T04:00:00Z
I hadn’t walked on Sugarloaf Ridge in years, but whenever I used the words “poison oak” or “gallop” or “fog”, my mind flashed femtosecond images of the park. California burning: life among the wildfires 2018-05-04T04:00:00Z
He proposes using thin plastic films to broaden the spectrum of 10-PW laser pulses, then squeezing the pulses to as little as a couple of femtoseconds to boost their power to about 100 PW. Physicists are planning to build lasers so powerful they could rip apart empty space 2018-01-24T05:00:00Z
An instant later, a second femtosecond pulse arrives and interacts with the molecules in the sample, mid-reaction. The next big hit in molecule Hollywood 2017-04-25T04:00:00Z
A femtosecond is a millionth of a billionth of a second, which is roughly to a second what ten cents is to the GDP of the entire planet. Submarine cables could be repurposed as earthquake detectors 2018-06-16T04:00:00Z
A vibration of an atom in a molecule typically takes 10 to 100 femtoseconds. Ahmed H. Zewail, Nobel-Prize-Winning Chemist, Dies at 70 2016-08-05T04:00:00Z
In 40 years working at the the California Institute of Technology , he experimented with lasers to monitor chemical reactions at a scale of a femtosecond, which is a millionth of a billionth of a second. First Arab Nobel science winner Ahmed Zewail dies - BBC News 2016-08-03T04:00:00Z
It takes roughly 10 femtoseconds for photons to be absorbed, molecular bonds to break and atoms to start moving from their original positions. X-ray science: The big guns 2014-01-29T18:50:58.094Z
In the next stage in molecular moviemaking, other researchers hope that moving from femtosecond to attosecond laser pulses will produce unprecedented slow-motion sequences. The next big hit in molecule Hollywood 2017-04-25T04:00:00Z
The resulting exotic states of matter last only a few femtoseconds—but nonetheless give us useful glimpses of an extreme environment that has no parallels on earth. Below the Surface: How Our Unconscious Rules Our Lives 2013-12-17T17:15:05.706Z
A femtosecond is a millionth of a billionth of a second. Ahmed H. Zewail, Nobel-Prize-Winning Chemist, Dies at 70 2016-08-05T04:00:00Z
In gold, the nonlinear response determined by plasmonic lifetime is less than 10 femtoseconds — about five times faster than in silver. Perspective: A glint of the future 2013-03-13T18:21:03.030Z
In recent years the field of "femtosecond" lasers - producing pulses lasting just millionths of a billionths of a second - have become widespread research tools. Team clocks shortest laser pulse 2012-09-06T09:16:34Z
However, new sources provide a way to spatially image these samples and, in addition, provide temporal information on the femtosecond timescale. 30 under 30: Pushing Physics forward in Service of Biology 2012-06-11T12:15:00.257Z
"The advantage here is that orbital transitions are extremely fast, taking just femtoseconds," he says. Electron Splits into Quasiparticles 2012-04-19T14:45:00.253Z
Several of these atomic clocks are already stable to within a few hundred femtoseconds per day and continue to rapidly improve. A Chronicle of Timekeeping 2011-12-31T05:15:09.740Z
On the femtosecond timescale, the atoms in a molecule will vibrate. Lasers scan future possibilities 2010-05-12T12:33:00Z
For the one-hour operation, Stevens spent nearly seven hours custom-programming a femtosecond laser, a high-speed instrument designed not to damage adjacent tissue. U.S. Defender Has Clear View of World Cup 2010-05-01T19:00:00Z
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