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Nonlinear beam self...
Nonlinear beam self-imaging and self-focusing dynamics in a GRIN multimode optical fiber: theory and experiments
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- Hansson, Tobias (författare)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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- Tonello, Alessandro (författare)
- Université de Limoges, XLIM, Limoges, France
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- Mansuryan, Tigran (författare)
- Université de Limoges, XLIM, Limoges, France
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- Mangini, Fabio (författare)
- Dipartimento di Ingegneria dell’Informazione, University of Brescia, Brescia, Italy
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- Zitelli, Mario (författare)
- Dipartimento di Ingegneria dell’Informazione, University of Brescia, Brescia, Italy
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- Ferraro, Mario (författare)
- Dipartimento di Ingegneria dell’Informazione, Elettronica e Telecomunicazioni, Sapienza University of Rome, Rome, Italy
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- Niang, Alioune (författare)
- Dipartimento di Ingegneria dell’Informazione, University of Brescia, Brescia, Italy
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- Crescenzi, Rocco (författare)
- Dipartimento di Ingegneria dell’Informazione, Elettronica e Telecomunicazioni, Sapienza University of Rome, , Italy
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- Wabnitz, Stefan (författare)
- Dipartimento di Ingegneria dell’Informazione, Elettronica e Telecomunicazioni, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy; Novosibirsk State University, Pirogova 1, Novosibirsk 630090, Russia
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- Couderc, Vincent (författare)
- Université de Limoges, Limoges, France
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(creator_code:org_t)
- Optical Society of America, 2020
- 2020
- Engelska.
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Ingår i: Optics Express. - : Optical Society of America. - 1094-4087. ; 28:16, s. 24005-24021
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Beam self-imaging in nonlinear graded-index multimode optical fibers is of interest for many applications, such as implementing a fast saturable absorber mechanism in fiber lasers via multimode interference. We obtain a new exact solution for the nonlinear evolution of first and second order moments of a laser beam of arbitrary transverse shape carried by a graded-index multimode fiber. We have experimentally directly visualized the longitudinal evolution of beam self-imaging by means of femtosecond laser pulse propagation in both the anomalous and the normal dispersion regime of a standard telecom graded-index multimode optical fiber. Light scattering out of the fiber core via visible photo-luminescence emission permits us to directly measure the self-imaging period and the beam dynamics. Spatial shift and splitting of the self-imaging process under the action of self-focusing are also revealed.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Hansson, Tobias
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Tonello, Alessan ...
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Mansuryan, Tigra ...
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Mangini, Fabio
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Zitelli, Mario
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Ferraro, Mario
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visa fler...
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Niang, Alioune
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Crescenzi, Rocco
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Wabnitz, Stefan
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Couderc, Vincent
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visa färre...
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Optics Express
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Linköpings universitet