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Laser driven X-ray parametric amplification in neutral gases—a new brilliant light source in the XUV

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
653
Issue
1
Identifiers
DOI: 10.1016/j.nima.2010.12.208
Keywords
  • High Harmonic Generation (Hhg)
  • X-Ray Parametric Amplification (Xpa)

Abstract

Abstract In this paper we present the experimental setup and results showing a new type of strong-field parametric amplification of high-order harmonic radiation. With a simple semi-classical model, we can identify the most important experimental parameters, the spectral range and the small signal gain in gases. Using a single stage amplifier, a small signal gain of 8000 has been obtained in argon for the spectral range of 40–50 eV, using 350 fs, 7 mJ pulses at 1.05 μm. An outlook for an experiment employing a double stage gas system will be given.

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