Propagation of high-power optical flat-topped beams in strongly nonlinear media

We performed numerical experiments to investigate the propagation of high-power optical flat-topped beams through a strongly nonlinear medium, accounting for the diffraction, nonlinearity, and multiphoton absorption capabilities of the beams. We found that the uniform irradiance distribution of flat...

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Main Authors:	Yipeng Zheng, Wenjiang Tan, Dongdong Han, Kaili Ren, Yongwang Wang, Feng Zhao, Jinhai Si
Format:	article
Language:	EN
Published:	Elsevier 2021
Subjects:	Flat-topped beam Strongly nonlinear High power Physics QC1-999
Online Access:	https://doaj.org/article/eb4e6f6b128343bca99bcc8b72c5a4bc
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spelling	oai:doaj.org-article:eb4e6f6b128343bca99bcc8b72c5a4bc2021-11-18T04:48:17ZPropagation of high-power optical flat-topped beams in strongly nonlinear media2211-379710.1016/j.rinp.2021.105016https://doaj.org/article/eb4e6f6b128343bca99bcc8b72c5a4bc2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2211379721010147https://doaj.org/toc/2211-3797We performed numerical experiments to investigate the propagation of high-power optical flat-topped beams through a strongly nonlinear medium, accounting for the diffraction, nonlinearity, and multiphoton absorption capabilities of the beams. We found that the uniform irradiance distribution of flat-topped beams can remain constant near the centre axis for a given propagation distance. A series of comparisons were conducted for flat-topped beams with different orders, which demonstrates that increasing the order reduces change of beam characteristic. Furthermore, we investigated the influence of input power on the propagation of flat-topped beams. Moreover, we numerically analysed the dynamics of the inner energy transfer and uniform irradiance decay of the flat-topped beam.Yipeng ZhengWenjiang TanDongdong HanKaili RenYongwang WangFeng ZhaoJinhai SiElsevierarticleFlat-topped beamStrongly nonlinearHigh powerPhysicsQC1-999ENResults in Physics, Vol 31, Iss , Pp 105016- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Flat-topped beam Strongly nonlinear High power Physics QC1-999
spellingShingle	Flat-topped beam Strongly nonlinear High power Physics QC1-999 Yipeng Zheng Wenjiang Tan Dongdong Han Kaili Ren Yongwang Wang Feng Zhao Jinhai Si Propagation of high-power optical flat-topped beams in strongly nonlinear media
description	We performed numerical experiments to investigate the propagation of high-power optical flat-topped beams through a strongly nonlinear medium, accounting for the diffraction, nonlinearity, and multiphoton absorption capabilities of the beams. We found that the uniform irradiance distribution of flat-topped beams can remain constant near the centre axis for a given propagation distance. A series of comparisons were conducted for flat-topped beams with different orders, which demonstrates that increasing the order reduces change of beam characteristic. Furthermore, we investigated the influence of input power on the propagation of flat-topped beams. Moreover, we numerically analysed the dynamics of the inner energy transfer and uniform irradiance decay of the flat-topped beam.
format	article
author	Yipeng Zheng Wenjiang Tan Dongdong Han Kaili Ren Yongwang Wang Feng Zhao Jinhai Si
author_facet	Yipeng Zheng Wenjiang Tan Dongdong Han Kaili Ren Yongwang Wang Feng Zhao Jinhai Si
author_sort	Yipeng Zheng
title	Propagation of high-power optical flat-topped beams in strongly nonlinear media
title_short	Propagation of high-power optical flat-topped beams in strongly nonlinear media
title_full	Propagation of high-power optical flat-topped beams in strongly nonlinear media
title_fullStr	Propagation of high-power optical flat-topped beams in strongly nonlinear media
title_full_unstemmed	Propagation of high-power optical flat-topped beams in strongly nonlinear media
title_sort	propagation of high-power optical flat-topped beams in strongly nonlinear media
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/eb4e6f6b128343bca99bcc8b72c5a4bc
work_keys_str_mv	AT yipengzheng propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia AT wenjiangtan propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia AT dongdonghan propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia AT kailiren propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia AT yongwangwang propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia AT fengzhao propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia AT jinhaisi propagationofhighpoweropticalflattoppedbeamsinstronglynonlinearmedia
_version_	1718425073285595136

Propagation of high-power optical flat-topped beams in strongly nonlinear media

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