Angular Scattering Pattern of Femtosecond Laser‐Induced Refractive Index Modifications in Optical Fibers
Abstract: Focused femtosecond laser irradiation is used to induce light scattering modifications in the core of an optical fiber. This turns the fiber into a diffuse, line‐shaped light source. The scattering is investigated by imaging almost the full solid angle far‐field pattern for the first time. Additionally, an electromagnetic scattering model is developed to explain the observations. The findings herein change how the relationship between light scattering and the refractive index fluctuations is perceived by showing that the far‐field scattering pattern is the power spectral density of the polarization current inside the scattering center. Further, the authors contribute to a better estimation of the scattering process by showing that the total scattering power scales quadratically with the laser‐induced refractive index change and its volume.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Angular Scattering Pattern of Femtosecond Laser‐Induced Refractive Index Modifications in Optical Fibers ; volume:8 ; number:18 ; year:2020 ; extent:11
Advanced optical materials ; 8, Heft 18 (2020) (gesamt 11)
- Creator
- DOI
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10.1002/adom.202000633
- URN
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urn:nbn:de:101:1-2022062412555742553305
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:23 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Reupert, Aaron
- Heck, Maximilian
- Nolte, Stefan
- Wondraczek, Lothar
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