English
Related papers

Related papers: The direct evaluation of attosecond chirp from a s…

200 papers

The attosecond streaking technique is normally utilized to characterize the attosecond pulses in extreme ultraviolet spectrum, while the pulse simulation and reconstruction schemes turn out to be unreliable for extremely short sub-100as…

Optics · Physics 2018-09-05 Renzhi Shao , Bin Li

We present a simple and direct method for measuring laser chirp rate, i.e., group delay dispersion (GDD) of ultrashort laser pulses at power levels compatible with single-quantum-emitter excitation. Traditional pulse characterization…

We report on the first streaking measurement of water-window attosecond pulses generated via high harmonic generation, driven by sub-2-cycle, CEP-stable, 1850 nm laser pulses. Both the central photon energy and the energy bandwidth far…

We report on the global temporal pulse characteristics of individual harmonics in an attosecond pulse train by means of photo-electron streaking in a strong low-frequency transient. The scheme allows direct retrieval of pulse durations and…

Laser assisted photoemission by a chirped subfemtosecond extreme ultraviolet (XUV) pulse is considered within an exactly solvable quantum-mechanical model. Special emphasis is given to the energy dependence of photoexcitation cross-section.…

Atomic Physics · Physics 2015-05-13 E. E. Krasovskii , M. Bonitz

A new method to coherently control the electron dynamics is proposed using a few-cycle laser pulse in combination with a controlling field. It is shown that this method not only broadens the attosecond pulse bandwidth, but also reduces the…

Atomic Physics · Physics 2015-04-06 Pengfei Lan , Peixiang Lu , Wei Cao , Yuhua Li , Xinlin Wang

A recent preprint by Ardana-Lamas et al. (Ref. [1], arXiv:2510.04086) re-analyzes the data set of the attosecond streaking experiment on krypton atoms originally reported in Phys Rev X 7, 041030 (2017) [2], and claims the characterization…

Optics · Physics 2025-10-22 Meng Han

In attosecond streaking, an electron is released by a short xuv pulse into a strong near infrared laser field. When the laser coupling between two states in the target is weak relative to the detuning, the streaking technique, which allows…

Atomic Physics · Physics 2015-05-19 Jan Conrad Baggesen , Lars Bojer Madsen

We present a method of producing single attosecond pulses by high-order harmonic generation with multi-cycle nonlinear chirped driver laser pulses. The symmetry of the laser feld in several optical cycles near the pulse center is…

Optics · Physics 2009-06-12 Yang Xiang , Yueping Niu , Yihong Qi , Shangqing Gong

Attosecond pulses from free-electron lasers have opened the doors to atomic site-specific pumping and probing of quantum systems. Key to their success has been electron beam shaping techniques enabling the generation of sub-femtosecond…

Laser-assisted photoemission from a solid is considered within a numerically exactly solvable one-dimensional model of a crystal. The effect of the inelastic scattering and of the finite duration of the pump pulse on the photoelectron…

Materials Science · Physics 2015-06-10 E. E. Krasovskii , C. Friedrich , W. Schattke , P. M. Echenique

A new theoretical approach to the description of the attosecond streaking measurements of atomic photoionization is presented. It is a fully quantum mechanical description based on numerical solving of the time-dependent Schroedinger…

Atomic Physics · Physics 2007-05-23 A. K. Kazansky , N. M. Kabachnik

Attosecond laser pulses open the door to resolve microscopic electron dynamics in time. Experiments performed include the decay of a core hole, the time-resolved measurement of photo ionization and electron tunneling. The processes…

Atomic and Molecular Clusters · Physics 2011-11-09 Ionut Georgescu , Ulf Saalmann , Jan M. Rost

We propose a novel measurement technique capable of determining the temporal duration of an intense laser pulse directly in its focus at full intensity. We show that the electromagnetic radiation pattern emitted by an electron bunch with a…

Optics · Physics 2019-12-30 Felix Mackenroth , Amol R. Holkundkar

First time-resolved photoemission experiments employing attosecond streaking of electrons emitted by an XUV pump pulse and probed by a few-cycle NIR pulse found a time delay of about 100 attoseconds between photoelectrons from the…

Other Condensed Matter · Physics 2015-05-13 C. Lemell , B. Solleder , K. Tokesi , J. Burgdoerfer

We theoretically study time-resolved photoemission in atoms as probed by attosecond streaking. We review recent advances in the study of the photoelectric effect in the time domain and show that the experimentally accessible time shifts can…

Atomic Physics · Physics 2015-03-06 Stefan Nagele , Renate Pazourek , Michael Wais , Georg Wachter , Joachim Burgdörfer

We study laser-assisted photoionization by attosecond pulses using a time-independent formalism based on diagrammatic many-body perturbation theory. Our aim is to provide an ab inito route to the "delays" for this above-threshold ionization…

Atomic Physics · Physics 2015-06-12 J. M. Dahlström , T. Carette , E. Lindroth

Attosecond streaking of atomic photoemission holds the promise to provide unprecedented information on the release time of the photoelectron. We show that attosecond streaking phase shifts indeed contain timing (or spectral phase)…

Scattering of intense laser pulses on high-energy electron beams allows one to produce a large number of X and gamma rays. For temporally pulsed lasers the resulting spectra is broadband which severely limits practical applications. One…

Accelerator Physics · Physics 2022-09-07 M. A. Valialshchikov , D. Seipt , V. Yu. Kharin , S. G. Rykovanov

We numerically investigate attosecond streaking time delays in the photoemission of valence and 2p core electrons of aluminum surface. We find that electron emission from the core level band is delayed by $\Delta \tau =100$ attoseconds…

Quantum Physics · Physics 2018-02-23 Boyan Obreshkov
‹ Prev 1 2 3 10 Next ›