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Proceedings Paper

Development of large-core photonic crystal fiber for hyperspectral transmission
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Paper 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.

Paper Details

Date Published: 25 April 2012
PDF: 7 pages
Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 842614 (25 April 2012); doi: 10.1117/12.922730
Show Author Affiliations
Ryszard Stepien, Institute of Electronic Materials Technology (Poland)
Dariusz Pysz, Institute of Electronic Materials Technology (Poland)
Ireneusz Kujawa, Institute of Electronic Materials Technology (Poland)
Jacek Pniewski, Univ. of Warsaw (Poland)
Andrew J. Waddie, Heriot-Watt Univ. (United Kingdom)
Mohammad R. Taghizadeh, Heriot-Watt Univ. (United Kingdom)
Ryszard Buczynski, Institute of Electronic Materials Technology (Poland)
Univ. of Warsaw (Poland)


Published in SPIE Proceedings Vol. 8426:
Microstructured and Specialty Optical Fibres
Kyriacos Kalli; Alexis Mendez, Editor(s)

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