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An automated, 0.5Â Hz nano-foil target positioning system for intense laser plasma experiments

  • Ying Gao
  • , Jianhui Bin
  • , Daniel Haffa
  • , Christian Kreuzer
  • , Jens Hartmann
  • , Martin Speicher
  • , Florian H. Lindner
  • , Tobias M. Ostermayr
  • , Peter Hilz
  • , Thomas F. Rösch
  • , Sebastian Lehrack
  • , Franz Englbrecht
  • , Sebastian Seuferling
  • , Max Gilljohann
  • , Hao DIng
  • , Wenjun Ma
  • , Katia Parodi
  • , Jörg Schreiber
  • Lehrstuhl für Medizinphysik
  • Universität München
  • Max-Planck Institut für Quantenoptik
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

We report on a target system supporting automated positioning of nano-targets with a precision resolution of in three dimensions. It relies on a confocal distance sensor and a microscope. The system has been commissioned to position nanometer targets with 1Â Hz repetition rate. Integrating our prototype into the table-top ATLAS 300 TW-laser system at the Laboratory for Extreme Photonics in Garching, we demonstrate the operation of a 0.5Â Hz laser-driven proton source with a shot-to-shot variation of the maximum energy about 27% for a level of confidence of 0.95. The reason of laser shooting experiments operated at 0.5Â Hz rather than 1Â Hz is because the synchronization between the nano-foil target positioning system and the laser trigger needs to improve.

Original languageEnglish
Article numbere12
JournalHigh Power Laser Science and Engineering
Volume5
DOIs
Publication statusPublished - 1 Jan 2017
Externally publishedYes

Keywords

  • high intense laser
  • nm thick target positioning system
  • repetition rated laser-driven ion source

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