Development of large-core photonic crystal fiber for hyperspectral transmission

Ryszard Stepien; Dariusz Pysz; Ireneusz Kujawa; Jacek Pniewski; Andrew J. Waddie; Mohammad R. Taghizadeh; Ryszard Buczynski

doi:10.1117/12.922730

25 April 2012 Development of large-core photonic crystal fiber for hyperspectral transmission

Ryszard Stepien, Dariusz Pysz, Ireneusz Kujawa, Jacek Pniewski, Andrew J. Waddie, Mohammad R. Taghizadeh, Ryszard Buczynski

Author Affiliations +

Proceedings Volume 8426, Microstructured and Specialty Optical Fibres; 842614 (2012) https://doi.org/10.1117/12.922730
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

We present the development of a large core multimode photonic crystal fibre with hyperspectral transmission that covers the visible, near and (in part) mid infra-red wavelength ranges (400-6500 nm). We have optimised the composition of a heavy metal-oxide glass based on the PbO-Bi₂O₃-Ga₂O₃ system modified with Nb₂O₅, Ta₂O₅, SiO₂, GeO₂, BaO, CdO, Na₂O and K₂O. The optimised glass shows good transmission up to 6 μm as well as good rheological properties that permits multiple thermal processing steps in an optical drawing tower without crystallisation. The selected glass is synthesized inhouse and has been used for fibre development. We have fabricated a multi-mode photonic crystal fibre with an effective mode area of 295 μm². The photonic cladding is composed of 8 rings of air holes with a fill factor of 0.46. The transmission of a hyperspectral spectrum is experimentally verified using a broadband source. The attenuation of the fibre and its sensitivity to bending losses is presented.

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Ryszard Stepien, Dariusz Pysz, Ireneusz Kujawa, Jacek Pniewski, Andrew J. Waddie, Mohammad R. Taghizadeh, and Ryszard Buczynski "Development of large-core photonic crystal fiber for hyperspectral transmission", Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 842614 (25 April 2012); https://doi.org/10.1117/12.922730

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