| 单词 | attosecond |
| 例句 | 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 These experiments all showed that attosecond pulses could be observed and measured, and could be used in new experiments. Nobel physics prize goes to trio who lit up secrets of the atom 2023-10-03T04:00:00Z It was once thought such changes in electrons could not be seen, but the use of attosecond pulses has changed this, she added. Trio win Nobel physics prize for tiny light pulses that give snapshot of atoms 2023-10-03T04:00:00Z Today’s researchers hope to do the equivalent at attosecond timescales, using ultra-fast lasers to get clearer views of otherwise blurry atomic processes. Ultra-Fast Laser Trailblazers Win 2023 Nobel Prize in Physics 2023-10-03T04:00:00Z It was once thought that these changes in electrons could not be seen, but the use of attosecond pulses has changed this, she added. Trio win Nobel physics prize for tiny light pulses that capture changes in atoms 2023-10-03T04:00:00Z Pump-probe spectroscopy is a common technique in physics and chemistry and can be performed with attosecond light pulses. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z Changes in electrons occur in a few tenths of an attosecond - a unit so short that there are as many attoseconds in one second as there have been seconds since the birth of the universe. Nobel physics prize goes to trio who lit up secrets of the atom 2023-10-03T04:00:00Z One attosecond is a quintillionth of a second - it is to a second what one second is to the age of the Universe. Physics Nobel Prize rewards science on a 'tiny timescale' 2023-10-03T04:00:00Z This year’s prize was awarded “for experimental methods that generate attosecond pulses of light for the study of electron dynamics in matter.” Ultra-Fast Laser Trailblazers Win 2023 Nobel Prize in Physics 2023-10-03T04:00:00Z Ossiander and colleagues overcame this limitation using a clever two-stage approach, which they demonstrated by examining photoemission from a clean tungsten surface using an attosecond streak camera. Timing the action of light on matter 2018-09-18T04:00:00Z 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 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 “It is very exciting that the frontier of attosecond science is now having its outpost in the Gulf state,” says Olga Smirnova, an atomic physicist at the Max Born Institute in Berlin. Saudi Arabia opens top-notch laser lab 2015-02-16T05:00:00Z In particular, my main current interests lie in generation of isolated attosecond pulses via high-order harmonic generation and in exploring their new possible applications to study ultrafast phenomena in atoms and molecules. 30 under 30: A Saxophonist and Attosecond Physicist 2012-06-22T11:15:00.173Z I also hope to share my own work in the young and growing areas of strong-field and attosecond physics. 30 under 30: Exploring Ultrafast Phenomena with Lasers 2012-06-20T12:15:02.420Z So what kind of research questions can attosecond pulses help answer? What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z "They built up nice little pictures," says David Villeneuve, program leader of attosecond science at the National Research Council of Canada in Ottawa. Molecules Imaged Most Intimately 2011-08-23T22:52:34Z The experiment at KSU will test this hypothesis by developing extremely short, high-intensity ultraviolet pulses to excite the electrons, and will then capture their movements with the attosecond laser. Saudi Arabia opens top-notch laser lab 2015-02-16T05:00:00Z I first became aware of the word “attosecond” while attending the photonics course during my master studies in Milan, and I remember it immediately roused my interest. 30 under 30: A Saxophonist and Attosecond Physicist 2012-06-22T11:15:00.173Z Researchers now are also working on attosecond lasers, which count time in divisions of a millionth of a millionth of a millionth of a second. Lasers scan future possibilities 2010-05-12T12:33:00Z The previously shared electrons undergo ultrafast changes during this process, and attosecond pulses made it possible for researchers to follow the real-time breaking of a chemical bond. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z By providing shorter snapshots of atoms and molecules, attosecond spectroscopy has helped researchers understand electron behavior in single molecules, such as how electron charge migrates and how chemical bonds between atoms break. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z On a larger scale, attosecond technology has also been applied to studying how electrons behave in liquid water as well as electron transfer in solid-state semiconductors. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z But how long is an attosecond, and what can these infinitesimally short pulses tell researchers about the nature of matter? What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z My doctoral adviser’s group had a project dedicated to studying chemical reactions with attosecond pulses. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z The ability to generate attosecond pulses – the research for which three researchers earned the 2023 Nobel Prize in physics – first became possible in the early 2000s, and the field has continued to grow rapidly since. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z Before understanding why attosecond research resulted in the most prestigious award in the sciences, it helps to understand what an attosecond pulse of light is. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z So a flash of light lasting an attosecond, or 0.000000000000000001 of a second, is an extremely short pulse of light. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z An attosecond is incredibly small when compared to a second. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z As researchers continue to improve their ability to produce attosecond light pulses, they’ll gain a deeper understanding of the basic particles that make up matter. What is an attosecond? A physical chemist explains the tiny time scale that earned a Nobel prize 2023-10-10T04:00:00Z |
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