Spectroscopic properties of Er doped and Er, Nd codoped fluoride glasses under simulated sunlight illumination

Mizuno, S, Ito, H, Hasegawa, K, Kawai, H, Nasu, H, Hughes, MA ORCID: https://orcid.org/0000-0002-0877-5279, Suzuki, T and Ohishi, Y 2011, 'Spectroscopic properties of Er doped and Er, Nd codoped fluoride glasses under simulated sunlight illumination' , Optical Materials, 33 (12) , pp. 1958-1963.

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We investigated the fluorescence characteristics of Er codoped Nd doped ZBLAN glasses proposed for solar pumped fiber laser (SPFL) under simulated sunlight. Er is used as a sensitizer because it absorbs a part of the ultraviolet and visible light where is no absorption of Nd. Under simulated sunlight illumination, Er singly doped fluoride glass displayed four emission bands with peaks at 550, 848, 977 and 1533 nm attributed to the 4S3/2-4I15/2, 4S3/2-4I13/2, 4I11/2-4I15/2 and 4I13/2-4I15/2 electronic transitions of Er, respectively. The quantum efficiency measurement was carried out using an integrating sphere and under the simulated sunlight excitation showed a maximum of 73% for 0.5 mol.% of ErF3 in ZBLAN glass. In Nd, Er codoped fluoride glass, the 1.05 μm emission of Nd was observed under 380 nm excitation what supposes the energy transfer from Er to Nd in ZBLAN glasses as Nd has no absorption at the wavelength. Er, Nd codoped fluoride glasses are promising as a sensitized laser media for solar pumped fiber lasers.

Item Type: Article
Additional Information: XXII International Congress on Glass: Optical Glass Section — SI: ICG 2010
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Optical Materials
Publisher: Elsevier
ISSN: 0925-3467
Related URLs:
Funders: MEXT
Depositing User: Dr Mark Hughes
Date Deposited: 10 Nov 2015 16:44
Last Modified: 16 Feb 2022 17:19
URI: https://usir.salford.ac.uk/id/eprint/37010

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