True mid-infrared Pr3+ absorption cross-section in a selenide-chalcogenide host-glass

Seddon, Angela B. and Furniss, David and Tang, Z.Q. and Sójka, L. and Benson, Trevor M. and Caspary, R. and Sujecki, S. (2016) True mid-infrared Pr3+ absorption cross-section in a selenide-chalcogenide host-glass. In: 18th International Conference on Transparent Optical Networks, 10-14 July 2016, Trento, Italy. (In Press)

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The mid-infrared (MIR) spans the 3-25 m wavelength range. Rare-earth-ion doped selenide-chalcogenide glasses are being developed for direct-emission MIR fibre lasers. The true Pr3+ absorption cross-section in the 3.5-6 µm wavelength region of a Pr3+-doped (500 ppmw of Pr3+ i.e. 9.47 x 1019 Pr3+ ions cm-3) GeAsGaSe host-glass is presented, after numerically removing the underlying, extrinsic vibrational absorption due to [H-Se-] contamination of the host-glass.

Item Type: Conference or Workshop Item (Paper)
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Keywords: Mid-infrared, Chalcogenide glasses, Rare earth ions, Praseodymium ions, Absorption cross-section
Schools/Departments: University of Nottingham UK Campus > Faculty of Engineering
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Depositing User: Eprints, Support
Date Deposited: 22 Jul 2016 08:36
Last Modified: 17 Sep 2016 14:00

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