阿秒脉冲产生和测量技术研究进展(特邀)

Research Progress of Attosecond Pulse Generation and Characterization(Invited)

阿秒脉冲光源诞生于21世纪初,是同时具有阿秒时间和纳米空间分辨率的全相干光源,在近20年的时间里,推动了阿秒科学研究不断取得显著的进展和突破。阿秒脉冲为物理、化学、生物、材料、信息等领域的发展提供了全新研究手段和重要创新机遇。本文介绍了阿秒脉冲的重要发展历程,主要综述并总结了高次谐波、阿秒脉冲产生以及阿秒脉冲测量的关键技术和现状,最后对阿秒脉冲研究的发展进行了展望。

Attosecond pulse light source,born at the turn of 21st centruy,is a fully coherent light source with attosecond-temporal and nano-spatial resolution,leading to the remarkable progress and breakthroughs in attosecond science in the past two decades.New research methods and important innovation opportunities in physics,chemistry,biology,materials,information and other fields have emerged with the advent of attoseond pulse.This review surveys the important efforts aimed at developing attosecond pulses,mainly summarizes the key technologies and status of high-order harmonics,attosecond pulse generation and attosecond pulse measurement,and presents the development prospects of attosecond pulse research in the end.