Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre

M. Gebhardt; T. Heuermann; R. Klas; C. Liu; A. Kirsche; M. Lenski; Z. Wang; C. Gaida; J. E. Antonio-Lopez; A. Schülzgen; R. Amezcua-Correa; J. Rothhardt; J. Limpert

doi:10.1038/s41377-021-00477-x

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Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre

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- Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre
- Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre
- LSA 2021年10卷第3期页码：313-319
- Affiliations：
  
  1.Institute of Applied Physics, Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Albert-Einstein-Str. 15, 07745, Jena, Germany
  2.Helmholtz-Institute Jena, Fröbelstieg 3, 07743, Jena, Germany
  3.CREOL, College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA
  4.Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745, Jena, Germany
  5.Present address: Active Fiber Systems GmbH, Ernst-Ruska-Ring 17, 07745, Jena, Germany
- Author bio：
  
  M. Gebhardt (martin.gebhardt@uni-jena.de)
- Funds：
- DOI：10.1038/s41377-021-00477-x
  中图分类号：
- 纸质出版日期：2021-03-31，
  
  网络出版日期：2021-02-12，
  
  收稿日期：2020-09-21，
  
  修回日期：2021-01-07，
  
  录用日期：2021-01-18
- Accepted：
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Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre[J]. LSA, 2021,10(3):313-319.

Gebhardt, M. et al. Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre. Light: Science & Applications, 10, 313-319 (2021).
Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre[J]. LSA, 2021,10(3):313-319. DOI： 10.1038/s41377-021-00477-x.

Gebhardt, M. et al. Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre. Light: Science & Applications, 10, 313-319 (2021). DOI： 10.1038/s41377-021-00477-x.

摘要

Abstract

Bright

coherent soft X-ray radiation is essential to a variety of applications in fundamental research and life sciences. To date

a high photon flux in this spectral region can only be delivered by synchrotrons

free-electron lasers or high-order harmonic generation sources

which are driven by kHz-class repetition rate lasers with very high peak powers. Here

we establish a novel route toward powerful and easy-to-use SXR sources by presenting a compact experiment in which nonlinear pulse self-compression to the few-cycle regime is combined with phase-matched high-order harmonic generation in a single

helium-filled antiresonant hollow-core fibre. This enables the first 100

kHz-class repetition rate

table-top soft X-ray source that delivers an application-relevant flux of 2.8 × 10

photon s

−1

around 300 eV. The fibre integration of temporal pulse self-compression (leading to the formation of the necessary strong-field waveforms) and pressure-controlled phase matching will allow compact

high-repetition-rate laser technology

including commercially available systems

to drive simple and cost-effective

coherent high-flux soft X-ray sources.

关键词

Keywords

references

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