All-solution doping technique for high power fiber lasers - refractive index influence in the vicinity of Al:P = 1:1

Stefan Kuhn; Sigrun Hein; Christian Hupel; Johannes Nold; Nicoletta Haarlammert; Thomas Schreiber; Ramona Eberhardt; Andreas Tünnermann

doi:10.1364/ASSL.2017.ATu5A.6

Laser Congress 2017 (ASSL, LAC)
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper ATu5A.6
•https://doi.org/10.1364/ASSL.2017.ATu5A.6

All-solution doping technique for high power fiber lasers - refractive index influence in the vicinity of Al:P = 1:1

Stefan Kuhn, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Ramona Eberhardt, and Andreas Tünnermann

Advanced Solid State Lasers 2017

Nagoya, Aichi Japan
1–5 October 2017
ISBN: 978-0-9600380-7-7

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Specialty Fibers and UV/MIR Applications (ATu5A)

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S. Kuhn, S. Hein, C. Hupel, J. Nold, N. Haarlammert, T. Schreiber, R. Eberhardt, and A. Tünnermann, "All-solution doping technique for high power fiber lasers - refractive index influence in the vicinity of Al:P = 1:1," in Laser Congress 2017 (ASSL, LAC), OSA Technical Digest (online) (Optica Publishing Group, 2017), paper ATu5A.6.

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Abstract

A novel and simple solution doping technique is used to explore the refractive index behavior of Al,P-doped SiO₂ in the vicinity of the Al:P-ratio of 1:1 at low doping concentrations. It is found that even if Al:P = 1:1 is matched precisely an index increase is observed. This is in contradiction to previous findings in the literature and the already sophisticated models need to be refined in this region.

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