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Proceedings Paper

Research activities on high-intensity laser and high field physics at APRI-GIST
Author(s): Tae Moon Jeong
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Paper Abstract

The performance of a 0.1-Hz-repetition-rate, 30-fs, 1.5-PW Ti:sapphire laser which is using for research on high field physics in APRI-GIST is presented. The charged particles (electrons and protons) are accelerated and an efficient x-ray generation is demonstrated using the PW laser. Protons are accelerated up to 80 MeV when an ultra-thin polymer target is irradiated by a circularly-polarized PW laser pulse. Electrons are accelerated to multi-GeV level with a help of injector and accelerator scheme. In the relativistic harmonic generation experiment, the harmonic order is dramatically extended, by optimizing the intensity of pre-pulse level, up to 164th that corresponds to 4.9 nm in wavelength and the experimental results can be explained by the oscillatory flying mirror model. The upgrade of the PW laser to the multi-PW level is under way.

Paper Details

Date Published: 1 May 2015
PDF: 4 pages
Proc. SPIE 9515, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers II, 95150U (1 May 2015); doi: 10.1117/12.2184213
Show Author Affiliations
Tae Moon Jeong, Gwangju Institute of Science and Technology (Korea, Republic of)
Institute of Physics of the ASCR, v.v.i. (Czech Republic)

Published in SPIE Proceedings Vol. 9515:
Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers II
Georg Korn; Luis O. Silva, Editor(s)

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