Nonlinear transparency window for ultraintense femtosecond laser pulses in the atmosphere
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PhysRevA.100.023832.pdf
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Final Published Version
Author
Panov, Nikolay A.Shipilo, Daniil E.
Saletsky, Alexander M.
Liu, Weiwei
Polynkin, Pavel G.
Kosareva, Olga G.
Affiliation
Univ Arizona, Coll Opt SciIssue Date
2019-08-21
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AMER PHYSICAL SOCCitation
Panov, N. A., Shipilo, D. E., Saletsky, A. M., Liu, W., Polynkin, P. G., & Kosareva, O. G. (2019). Nonlinear transparency window for ultraintense femtosecond laser pulses in the atmosphere. Physical Review A, 100(2), 023832.Journal
PHYSICAL REVIEW ARights
Copyright © 2019 American Physical Society.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
We have found the optimum range of driver wavelengths for mid-infrared ultraintense femtosecond pulses undergoing filamentation in atmospheric air. This wavelength range between 3.1 and 3.5μm forms a nonlinear transparency window identified through a diligent scan of pulse central wavelengths in the range 2.2–4.7μm with a best resolution of 5 nm. Each of 123 wavelengths scanned corresponds to the solution of the full three-dimensional + time pulse propagation and filamentation problem on a 7–19 m path in air. Due to the discovered universal asymmetric character of the nonlinearly enhanced linear absorption in the vicinity of atmospheric molecular band, the optimum driver wavelength belongs to the long-wavelength side of the band.ISSN
2469-9926Version
Final published versionSponsors
Russian Science Foundation [18-12-00422]; National Key Research and Development Program [2018YFB0504400]; 111 Project [B16027]; U.S. AFOSR under MURI [FA9550-16-1-0013]ae974a485f413a2113503eed53cd6c53
10.1103/physreva.100.023832