Opening a new route to multiport coherent XUV sources via intracavity high-order harmonic generation

Natsuki Kanda; Tomohiro Imahoko; Koji Yoshida; Akihiro Tanabashi; A. Amani Eilanlou; Yasuo Nabekawa; Tetsumi Sumiyoshi; Makoto Kuwata-Gonokami; Katsumi Midorikawa

doi:10.1038/s41377-020-00405-5

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Opening a new route to multiport coherent XUV sources via intracavity high-order harmonic generation

Original Articles

- Opening a new route to multiport coherent XUV sources via intracavity high-order harmonic generation
- Light: Science & Applications Vol. 9, Issue 5, Pages: 1621-1629(2020)
- Affiliations：
  
  1.RIKEN Center for Advanced Photonics, RIKEN, Wako, Saitama 351-0198, Japan
  2.Photon Science Center, The University of Tokyo, Tokyo 113-8656, Japan
  3.Intstitute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
  4.Cyber Laser Inc., Wako, Saitama 351-0104, Japan
  5.Institute for Photon Science and Technology, The University of Tokyo, Tokyo 113-0033, Japan
  6.Department of Physics, The University of Tokyo, Tokyo 113-0033, Japan
- Author bio：
  
  Katsumi Midorikawa (kmidori@riken.jp)
- Funds：
- DOI：10.1038/s41377-020-00405-5
  CLC：
- Published：2020，
  
  Published Online：24 September 2020，
  
  Received：05 May 2020，
  
  Revised：07 September 2020，
  
  Accepted：09 September 2020
- Accepted：
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Kanda, N. et al. Opening a new route to multiport coherent XUV sources via intracavity high-order harmonic generation. Light: Science & Applications, 9, 1621-1629 (2020).
DOI：

Kanda, N. et al. Opening a new route to multiport coherent XUV sources via intracavity high-order harmonic generation. Light: Science & Applications, 9, 1621-1629 (2020). DOI： 10.1038/s41377-020-00405-5.

摘要

Abstract

High-order harmonic generation (HHG) is currently utilized for developing compact table-top radiation sources to provide highly coherent extreme ultraviolet (XUV) and soft X-ray pulses; however

the low repetition rate of fundamental lasers

which is typically in the multi-kHz range

restricts the area of application for such HHG-based radiation sources. Here

we demonstrate a novel method for realizing a MHz-repetition-rate coherent XUV light source by utilizing intracavity HHG in a mode-locked oscillator with an Yb:YAG thin disk laser medium and a 100-m-long ring cavity. We have successfully implemented HHG by introducing two different rare gases into two separate foci and picking up each HH beam. Owing to the two different HH beams generated from one cavity

this XUV light source will open a new route to performing a time-resolved measurement with an XUV-pump and XUV-probe scheme at a MHz-repetition rate with a femtosecond resolution.

关键词

Keywords

references

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