Multi-color Wavefront Sensor using Talbot effect for High-order Harmonic Generation
Abstract
We present a novel method for multi-color wavefront measurement of high-order harmonic generation beams using the Talbot effect, validated both theoretically and experimentally for the first time. Each harmonic maintains a unique wavefront and produces an independent set of self-images along the optical axis.We achieved the wavefronts reconstruction of three harmonics in a single measurement scan, expanding the spectrally-resolved capability of the conventional Talbot effect wavefront sensor. This breakthrough introduces a novel tool for studying the multi-color wavefront in high-order harmonic generation, unlocking the potential to investigate spatiotemporal ultrafast nonlinear dynamics in attosecond pulse formation on a shot-by-shot basis.
Cite
@article{arxiv.2402.03665,
title = {Multi-color Wavefront Sensor using Talbot effect for High-order Harmonic Generation},
author = {Yang Du and Kui Li and Jin Niu and Angyi Lin and Jie Li and Zhongwei Fan and Guorong Wu and Xiaoshi Zhang and Fucai Zhang},
journal= {arXiv preprint arXiv:2402.03665},
year = {2024}
}