Light self-focusing in the atmosphere: thin window model

Irina A. Vaseva; Mikhail P. Fedoruk; Alexander M. Rubenchik; Sergei K. Turitsyn

doi:10.1038/srep30697

Light self-focusing in the atmosphere: thin window model

Irina A. Vaseva, Mikhail P. Fedoruk, Alexander M. Rubenchik, Sergei K. Turitsyn^*

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

Ultra-high power (exceeding the self-focusing threshold by more than three orders of magnitude) light beams from ground-based laser systems may find applications in space-debris cleaning. The propagation of such powerful laser beams through the atmosphere reveals many novel interesting features compared to traditional light self-focusing. It is demonstrated here that for the relevant laser parameters, when the thickness of the atmosphere is much shorter than the focusing length (that is, of the orbit scale), the beam transit through the atmosphere in lowest order produces phase distortion only. This means that by using adaptive optics it may be possible to eliminate the impact of self-focusing in the atmosphere on the laser beam. The area of applicability of the proposed "thin window" model is broader than the specific physical problem considered here. For instance, it might find applications in femtosecond laser material processing.

Original language	English
Article number	30697
Number of pages	11
Journal	Scientific Reports
Volume	6
DOIs	https://doi.org/10.1038/srep30697
Publication status	Published - 2 Aug 2016

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© The Author(s) 2016. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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10.1038/srep30697Licence: CC BY 3.0

Light self-focusing in the atmosphere
© The Author(s) 2016. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Final published version, 891 KBLicence: CC BY 3.0

Cite this

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title = "Light self-focusing in the atmosphere: thin window model",

abstract = "Ultra-high power (exceeding the self-focusing threshold by more than three orders of magnitude) light beams from ground-based laser systems may find applications in space-debris cleaning. The propagation of such powerful laser beams through the atmosphere reveals many novel interesting features compared to traditional light self-focusing. It is demonstrated here that for the relevant laser parameters, when the thickness of the atmosphere is much shorter than the focusing length (that is, of the orbit scale), the beam transit through the atmosphere in lowest order produces phase distortion only. This means that by using adaptive optics it may be possible to eliminate the impact of self-focusing in the atmosphere on the laser beam. The area of applicability of the proposed {"}thin window{"} model is broader than the specific physical problem considered here. For instance, it might find applications in femtosecond laser material processing.",

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Light self-focusing in the atmosphere: thin window model

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