2021-04-06 · @article{osti_1647605, title = {Attosecond science based on high harmonic generation from gases and solids}, author = {Li, Jie and Lu, Jian and Chew, Andrew and Han, Seunghwoi and Li, Jialin and Wu, Yi and Wang, He and Ghimire, Shambhu and Chang, Zenghu}, abstractNote = {Recent progress in high power ultrafast short-wave and mid-wave infrared lasers has enabled gas-phase high harmonic

19 May 2020 This control, made possible by the extreme temporal confinement of the light– matter interaction, opens a road in attosecond science, namely,

PMID: 32488005 2019-06-14 · Attosecond Science (6) Attosecond-to-Zeptosecond Pulses (5) Awards (2) Coherent EUV (5) Coherent X-rays (9) High Order Harmonics (7) Light Quantum OSA Student Chapter (1) Papers (4) Patents (3) TEAM (6) Ultrafast Lasers (2) Ultrafast Magnetics (1) Ultrafast UV-VIS-IR Lasers (2) X-ray Absorption Spectroscopy (1) Archives. June 2019 (2) May 2019 Pushing the frontiers in attosecond quantum mechanics with increasing temporal and spatial resolution and often-limited theoretical models results in unexpected observations. At the same time, attosecond science continues to expand into more complex solid-state and molecular systems, where it starts to have impact beyond its traditional grounds. The motion of electrons on the atomic scale has been hidden from direct experimental access until recently. We review the revolution in technology that opened the door to real-time observation and time-domain control of atomic-scale electron dynamics, and address the expected implications of having the tools to monitor electrons with sub-atomic resolution in both space and time. The attosecond science group at the Stanford PULSE Institute focuses on dynamics on this timescale, which is a science frontier both for experiments and for quantum many-body theory.

March 9 at 4:29 AM ·. Digging into the literature for our Journal Club: an interesting paper by K. S. Zinchenko et al. In this paper the fastest electronic relaxation dynamics ever measured has been observed by attosecond transient-absorption spectroscopy (ATAS) at the carbon K-edge. Download Citation | Attosecond science | Scientists have been developing sources of light with ever-shorter pulse durations, in order to study motion in systems Attosecond Science Group cfel-atto, Hamburg, Germany. 100 likes · 4 talking about this. The Attosecond Science Group lead by Prof. Dr. Francesca Calegari is located at CFEL, DESY Hamburg.

Digging into the literature for our Journal Club: an interesting paper by K. S. Zinchenko et al.

26 Apr 2019 field of attosecond science. In the last 15 years pump-probe experiments combining XUV attosecond pulses with synchronized laser pulses

Post doctoral position in Attosecond Physics · Lund, Lund University, 2020-10-12 Lund University, Faculty of Science, Department of Chemistry, 2020-10-26. Dessutom har denna laser många bildbehandlingar, inklusive Attosecond Science och High Harmonic Generation, Two-Photon Fluorescent Imaging och så Som doktorand var han vid Laboratoire Aimé Cotton från CNRS i Orsay med Christian Junge och vid Joint Laboratory of Attosecond Science i Attosecond science also known as attophysics is a branch of Atomic, molecular, and optical physics wherein attosecond (10 −18 s) duration pulses of electrons or photons are used to probe dynamic processes in matter with unprecedented time resolution. The majority of attoscience employs pump–probe methods.

Attosecond science, a recently established research field that is overarching, relating the various traditional subjects (physics, chemistry, biology, material sciences, etc.), holds strong promise to this regard. It does not only provide these tools, but also to enable

Joint Attosecond Science Laboratory. The Joint Attosecond Science Laboratory is a partnership between the National Research Council of Canada and the University of Ottawa. It has state-of-the-art laboratories at NRC as well as the Advanced Research Complex at the University of Ottawa. This lecture was a part of 59th international scientific conference for students of physics and natural sciences "Open Readings 2016". Conference was organis N2 - Ultrafast science refers to physical events that happen on the femtosecond (1 fs=10^-15 s) and attosecond (1 as=10^-18 s) timescales.

We review the revolution in technology that opened the door to real-time observation and time-domain control of atomic-scale … 2019-09-01 2006-01-01 Precision measurement of attosecond dynamics. The behaviour of atoms in powerful laser fields is the key to attosecond science. Although this behaviour has been studied for many years, it is still not completely understood. We use the simplest atoms of all, hydrogen atoms, to make precise measurements of attosecond dynamics. 2019-01-21 On the other hand, those nonlinear processes in the XUV region is indispensable for progress of attosecond science including attosecond atomic/molecular physics and chemistry, because it is very useful for investigating ultrafast phenomena directly in attosecond time scale.
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Paul et al., Observation of a train of attosecond pulses from high harmonic generation, Science, 292, 1689 (2001). Research outputs, collaborations and relationships for Center for Attosecond Science and Technology (CASTECH), POSTECH published between 1 December 25 Jan 2017 Ultracold-atom quantum simulator for attosecond science. Simon Sala, Johann Förster, and Alejandro Saenz. Phys. Rev. A 95, 011403(R) Attosecond Science is a new exciting frontier in contemporary physics, aimed at time-resolving the motion of electrons in atoms, molecules and solids on their Attosecond science is a branch of strong field physics that investigates ultrafast phenomena in nature.

By using an attosecond two-color interferometric approach in combination with high spectral 2019-06-14 · Attosecond Science (6) Attosecond-to-Zeptosecond Pulses (5) Awards (2) Coherent EUV (5) Coherent X-rays (9) High Order Harmonics (7) Light Quantum OSA Student Chapter (1) Papers (4) Patents (3) TEAM (6) Ultrafast Lasers (2) Ultrafast Magnetics (1) Ultrafast UV-VIS-IR Lasers (2) X-ray Absorption Spectroscopy (1) Archives. June 2019 (2) May 2019 Our attosecond research projects are done in collaboration with other groups in DESY, XFEL and Hamburg University.
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An attosecond is 1×10 −18 of a second (one quintillionth of a second). For context, an attosecond is to a second what a second is to about 31.71 billion years. The word "attosecond" is formed by the prefix atto and the unit second. Atto-was derived from the Danish word for eighteen (atten). Its symbol is as.

Laboratory Website Attosecond Science Research Team. 2017-02-08 · Finally I will describe our plans for the transition from FEL R&D to science and discuss the roadmap to attosecond science with LCLS-II. Speaker: Agostino Marinelli, SLAC Program Description Time-resolved experiments at the attosecond scale hold great promise for understanding ultrafast electron dynamics in molecules, as well as the role of electron coherence in chemistry. The emphasis of the research in the last 20 years is in the scientific areas of AMO physics, attosecond science and strong field laser-matter interactions. Scientists have been developing sources of light with ever-shorter pulse durations, in order to study motion in Attosecond pulses were first produced in 2001.

About me. Research Interests. Time-dependent problems in atomic systems, interaction of atoms with short laser pulses; Attosecond Physics

A strong oscillating laser field can create modulations in the electron wavefunction. The wavepacket can expand over ~10-100 hydrogen-atom sizes away from the parent ion. The modulations of the electron wavefunction can give birth to extreme high order harmonics spanning from the IR and visible and UV spectral region, throughout the vacuum ultrviolet, extreme ultraviolen, soft X-ray regions and potentially reaching even the hard X-ray region. Attosecond science offers formidable tools for the investigation of electronic processes at the heart of important physical processes in atomic, molecular and solid-state physics.

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