Recent advances in high-order harmonic generation from laser-ablated plumes at the advanced laser light source laboratory

Fundamental Plasma Physics Pub Date : 2024-03-12 DOI:10.1016/j.fpp.2024.100043

Mangaljit Singh , Muhammad Ashiq Fareed , Ramin Ghahri Shirinabadi , Romain Marcelino , Feng Zhu , François Légaré , Tsuneyuki Ozaki

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Abstract

High-order harmonic generation is a nonlinear optical frequency conversion process that occurs during intense ultrafast laser-matter interaction. At the Advanced Laser Light Source laboratory, we use ultrafast laser pulses having diverse wavelengths, spanning visible, near- and mid-infrared ranges, to generate high-order harmonics from laser-ablated plumes in the extreme ultraviolet or soft X-ray region of the electromagnetic spectrum. The Advanced Laser Light Source Laboratory is situated within the Énergie Matériaux Télécommunications Center of the Institut national de la recherche scientifique in Montréal, Quebec, Canada. We focus on generating bright and broadband harmonics by exploiting various types of ultrafast resonances in different species within the laser-ablated plume, and use them for applications in ultrafast spectroscopy, imaging, and AMO science. We are also actively exploring previously unknown physics governing the harmonic generation from different resonances. In this review article, we provide an overview of the recent advancements made in these directions.

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先进激光光源实验室激光照射羽流产生高阶谐波的最新进展

高阶谐波产生是在强烈的超快激光与物质相互作用过程中发生的非线性光学频率转换过程。在高级激光光源实验室，我们使用波长不同的超快激光脉冲，跨越可见光、近红外和中红外波段，在电磁波谱的极紫外或软 X 射线区域从激光照射的羽流中产生高阶谐波。先进激光光源实验室位于加拿大魁北克省蒙特利尔市国家科学研究院能源材料电信中心内。我们的工作重点是利用激光照射羽流中不同物种的各种超快共振，产生明亮的宽带谐波，并将其应用于超快光谱学、成像和 AMO 科学。我们还在积极探索先前未知的物理原理，以控制不同共振产生的谐波。在这篇综述文章中，我们将概述这些方向的最新进展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fundamental Plasma Physics

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