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|Title:||Femtosecond laser direct-written microstructured waveguides in passive as well as in novel active glasses|
|Citation:||14th International Conference on Transparent Optical Networks 2nd - 5th July, 2012 University of Warwick, Coventry, UK / Marek Jaworski, Marian Marciniak (eds.): 4p.|
|Series/Report no.:||International Conference on Transparent Optical Networks-ICTON|
|Conference Name:||International Conference on Transparent Optical Networks (ICTON) (02 Jul 2012 - 05 Jul 2012 : Coventry)|
|A. Fuerbach, S. Gross, M. Alberich, D. Lancaster, H. Ebendorff-Heidepriem, T. Monro, M. Withford|
|Abstract:||In recent years, the femtosecond laser direct write technique has evolved into a standard technique for the inscription of optical waveguides in glasses. However, due to very slow process speeds and limited 3D-capabilities, this method was restricted to the fabrication of relatively simple structures so far. In this paper we demonstrate how MHz repetition rate chirped-pulse oscillators can be utilised to overcome those limitations, enabling the realisation of complex direct-written microstructured waveguides. We present our results in fabricating ARROW (anti-resonant reflecting optical waveguide) structures in bulk glasses as well as depressed-cladding waveguides in novel fluoride glasses doped with rare-earth ions like thulium and holmium.|
|Keywords:||femtosecond lasers; fluoride glasses; waveguide writing; microstructured waveguides; mid-IR lasers; chirped-pulse oscillators.|
|Appears in Collections:||IPAS publications|
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