Accuracy and precision of the RABBIT technique

Isinger, Marcus; Busto, David; Mikaelsson, Sara; Zhong, Shiyang; Guo, Chen; Salières, P.; Arnold, Cord L.; L’Huillier, Anne; Gisselbrecht, Mathieu

doi:10.1098/rsta.2017.0475

Cited by 43 publications

(27 citation statements)

References 63 publications

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“…An additional effect to be considered is pointed out recently in refs. 66,68 . Different harmonics, due to their different divergence are focused at different positions, have different focal spots and therefore lead to only partial spatial overlap of the superimposed harmonics and to different Gouy phase contributions in the harmonic superposition.…”

Section: Temporal Characterization Of the Attosecond Pulse Trainsmentioning

confidence: 99%

Α 10-gigawatt attosecond source for non-linear XUV optics and XUV-pump-XUV-probe studies

Makos

Orfanos

Nayak

et al. 2020

Sci Rep

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The quantum mechanical motion of electrons and nuclei in systems spatially confined to the molecular dimensions occurs on the sub-femtosecond to the femtosecond timescales respectively. Consequently, the study of ultrafast electronic and, in specific cases, nuclear dynamics requires the availability of light pulses with attosecond (asec) duration and of sufficient intensity to induce two-photon processes, essential for probing the intrinsic system dynamics. The majority of atoms, molecules and solids absorb in the extreme-ultraviolet (XUV) spectral region, in which the synthesis of the required attosecond pulses is feasible. Therefore, the XUV spectral region optimally serves the study of such ultrafast phenomena. Here, we present a detailed review of the first 10-GW class XUV attosecond source based on laser driven high harmonic generation in rare gases. The pulse energy of this source largely exceeds other laser driven attosecond sources and is comparable to the pulse energy of femtosecond Free-Electron-Laser (FEL) XUV sources. The measured pulse duration in the attosecond pulse train is 650 ± 80 asec. The uniqueness of the combined high intensity and short pulse duration of the source is evidenced in non-linear XUV-optics experiments. It further advances the implementation of XUV-pump-XUVprobe experiments and enables the investigation of strong field effects in the XUV spectral region.

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Section: Temporal Characterization Of the Attosecond Pulse Trainsmentioning

confidence: 99%

Α 10-gigawatt attosecond source for non-linear XUV optics and XUV-pump-XUV-probe studies

Makos

Orfanos

Nayak

et al. 2020

Sci Rep

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show abstract

“…The XUV-IR pump-probe interferometer is designed for high temporal stability. Suppressing instabilities from vibrations and drifts as much as possible is essential for recording data with high SNR [25] over several hours or even days. To promote passive mechanical stability, all optical components of the interferometer are mounted on a single mechanically stable breadboard inside the main vacuum chamber.…”

Section: Xuv-ir Interferometermentioning

confidence: 99%

A high-repetition rate attosecond light source for time-resolved coincidence spectroscopy

et al. 2020

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Attosecond pulses, produced through high-order harmonic generation in gases, have been successfully used for observing ultrafast, subfemtosecond electron dynamics in atoms, molecules and solid state systems. Today’s typical attosecond sources, however, are often impaired by their low repetition rate and the resulting insufficient statistics, especially when the number of detectable events per shot is limited. This is the case for experiments, where several reaction products must be detected in coincidence, and for surface science applications where space charge effects compromise spectral and spatial resolution. In this work, we present an attosecond light source operating at 200 kHz, which opens up the exploration of phenomena previously inaccessible to attosecond interferometric and spectroscopic techniques. Key to our approach is the combination of a high-repetition rate, few-cycle laser source, a specially designed gas target for efficient high harmonic generation, a passively and actively stabilized pump-probe interferometer and an advanced 3D photoelectron/ion momentum detector. While most experiments in the field of attosecond science so far have been performed with either single attosecond pulses or long trains of pulses, we explore the hitherto mostly overlooked intermediate regime with short trains consisting of only a few attosecond pulses. We also present the first coincidence measurement of single-photon double-ionization of helium with full angular resolution, using an attosecond source. This opens up for future studies of the dynamic evolution of strongly correlated electrons.

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“…The resulting standard deviation in phase for SB12, SB14 and SB16 was~0.19 radian which corresponds to an error in time delay of~± 40 as which we consider as stability of our delay-line setup. In the work of Isinger et al [25], one can find more detailed information about different parameters affecting the accuracy and the precision of the RABBITT technique in retrieving the photoionization time delay.…”

Section: Long-term Stabilitymentioning

confidence: 99%

Collinear setup for delay control in two-color attosecond measurements

et al. 2020

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We present a compact experimental setup for performing attosecond-pump-infrared-probe experiments with long-time delay stability. The robustness of the setup is demonstrated over a two-day acquisition time in two-photon photoionization of argon in the photon-energy range 17−33 eV. The propagation of the input infrared pulse, as driving pulse for the high-order harmonic generation process and for the generation of the sidebands of the main photoelectron peaks, through the main optical components is simulated and discussed. Our setup allows us to perform attosecond experiments with an overall stability of ± 40 as.

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Accuracy and precision of the RABBIT technique

Cited by 43 publications

References 63 publications

Α 10-gigawatt attosecond source for non-linear XUV optics and XUV-pump-XUV-probe studies

Α 10-gigawatt attosecond source for non-linear XUV optics and XUV-pump-XUV-probe studies

A high-repetition rate attosecond light source for time-resolved coincidence spectroscopy

Collinear setup for delay control in two-color attosecond measurements

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