Filamentation of Chirped Mid-IR Pulses in Ambient Air in the Vicinity of Zero Dispersion

Claudia Gollner; Valentina Shumakova; Audrius Pugžlys; Audrius Pugžlys; Skirmantas Ališauskas; Andrius Baltuška; Andrius Baltuška; Alexander Voronin; Alexander Voronin; Alexander Mitrofanov; Alexander Mitrofanov; Dmitriy Sidorov-Biryukov; Dmitriy Sidorov-Biryukov; Alexey Zheltikov; Alexey Zheltikov; Alexey Zheltikov; Daniil Kartashov

2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
(Optica Publishing Group, 2017),
paper EE_2_3

Filamentation of Chirped Mid-IR Pulses in Ambient Air in the Vicinity of Zero Dispersion

Claudia Gollner, Valentina Shumakova, Audrius Pugžlys, Skirmantas Ališauskas, Andrius Baltuška, Alexander Voronin, Alexander Mitrofanov, Dmitriy Sidorov-Biryukov, Alexey Zheltikov, and Daniil Kartashov

European Quantum Electronics Conference 2017

Munich Germany
25–29 June 2017
ISBN: 978-1-5090-6736-7

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Filamentation Dynamics and THz Generation in Gases and Solids (EE_2)

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C. Gollner, V. Shumakova, A. Pugžlys, S. Ališauskas, A. Baltuška, A. Voronin, A. Mitrofanov, D. Sidorov-Biryukov, A. Zheltikov, and D. Kartashov, "Filamentation of Chirped Mid-IR Pulses in Ambient Air in the Vicinity of Zero Dispersion," in 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference, (Optica Publishing Group, 2017), paper EE_2_3.

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Abstract

Variation of the sign of dispersion in air in the vicinity of 3.6 µm [1] makes propagation and filamentation of mid-IR pulses extremely sensitive to the chirp, which allows to take control over the temporal pulse splitting, spectral broadening, energy losses and spatial profile. Here we report on filamentation of 30-mJ, 3.9-µm pulses produced by a hybrid OPA/OPCPA system [2]. Filamentation in ambient air is assisted by loose 7-m focusing and controlled by adjusting the chirp of the output of the OPCPA system.

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