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

Alexandr Špaček; Jonathan Tyler Green; František Batysta; Jakub Novák; Lukáš Indra; Roman Antipenkov; Pavel Bakule; Bedřich Rus

doi:10.1117/12.2525022

26 April 2019 Passive laser pulse intensity stabilization through a balance of self-phase modulation (SPM) and dispersion

Alexandr Špaček, Jonathan Tyler Green, František Batysta, Jakub Novák, Lukáš Indra, Roman Antipenkov, Pavel Bakule, Bedřich Rus

Author Affiliations +

Proceedings Volume 11034, Short-pulse High-energy Lasers and Ultrafast Optical Technologies; 110340G (2019) https://doi.org/10.1117/12.2525022
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

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

Conference Presentation

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Alexandr Špaček, Jonathan Tyler Green, František Batysta, Jakub Novák, Lukáš Indra, Roman Antipenkov, Pavel Bakule, and Bedřich Rus "Passive laser pulse intensity stabilization through a balance of self-phase modulation (SPM) and dispersion", Proc. SPIE 11034, Short-pulse High-energy Lasers and Ultrafast Optical Technologies, 110340G (26 April 2019); https://doi.org/10.1117/12.2525022

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