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Advances in laser driven soft x-ray lasers at LOA

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We report spatial and spectral characterization an optical-field-ionized high-order harmonic-seeded soft-x-ray laser. We show that it can be controlled between a regular Gaussian shape and a Bessel profile exhibiting several rings via the IR laser pump intensity. The temporal coherence and spectral linewidth of both the seeded and unseeded soft-x-ray lasers were experimentally measured using a varying path difference interferometer. It showed that the high-order harmonic is subject to a strong spectral narrowing during its propagation in the plasma amplifier without rebroadening at saturation. Also, we present a new method to generate ultra-short x-ray laser pulses by using the laser-driven betatron source to photo-pump inner-shell transitions.

Original languageEnglish
Title of host publicationX-Ray Lasers and Coherent X-Ray Sources
Subtitle of host publicationDevelopment and Applications IX
DOIs
Publication statusPublished - 1 Dec 2011
EventX-Ray Lasers and Coherent X-Ray Sources: Development and Applications IX - San Diego, CA, United States
Duration: 23 Aug 201125 Aug 2011

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8140
ISSN (Print)0277-786X

Conference

ConferenceX-Ray Lasers and Coherent X-Ray Sources: Development and Applications IX
Country/TerritoryUnited States
CitySan Diego, CA
Period23/08/1125/08/11

Keywords

  • Inner-shell
  • Laser
  • OFI
  • Seeding
  • X-ray laser

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