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Passive laser pulse intensity stabilization through a balance of self-phase modulation (SPM) and dispersion
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Paper Abstract

A passive peak intensity stabilization method based on optimal combination of Kerr nonlinearity and linear dispersion is presented. By analyzing the Kerr nonlinearity with a 3D numerical model it was found that if a Gaussian laser pulse acquires a certain amount of nonlinear phase and is consequently over-compressed to have sight negative chirp, the uctuations in peak intensity caused by energy uctuations are reduced. Thus, even if the energy of laser pulses uctuates the peak intensity can be stabilized. The simulations for realistic pulse parameters show an increase in peak intensity stability by well-over an order of magnitude. We demonstrate this process experimentally using a thin disk pump laser at ELI{Beamlines

Paper Details

Date Published: 26 April 2019
PDF: 6 pages
Proc. SPIE 11034, Short-pulse High-energy Lasers and Ultrafast Optical Technologies, 110340G (26 April 2019); doi: 10.1117/12.2525022
Show Author Affiliations
Alexandr Špaček, ELI Beamlines (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Jonathan Tyler Green, ELI Beamlines (Czech Republic)
František Batysta, ELI Beamlines (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Jakub Novák, ELI Beamlines (Czech Republic)
Lukáš Indra, ELI Beamlines (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Roman Antipenkov, ELI Beamlines (Czech Republic)
Pavel Bakule, ELI Beamlines (Czech Republic)
Bedřich Rus, ELI Beamlines (Czech Republic)


Published in SPIE Proceedings Vol. 11034:
Short-pulse High-energy Lasers and Ultrafast Optical Technologies
Pavel Bakule; Constantin L. Haefner, Editor(s)

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