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Proceedings Paper

Active structural waveguide for sensing application
Author(s): Karol Czajkowski; Marcin Kochanowicz; Jacek Zmojda; Piotr Miluski; Dominik Dorosz
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Paper Abstract

In the article a microstructural active optical fiber for sensing application was presented. Construction consists of three hexagonal rings and a core made of SiO2 - Al2O3 - Sb2O3 glass co-doped with 1Yb2O3/0.1Tm2O3 [mol%]. Developed optical fiber is characterized by upconversion luminescence (λp=980nm) at 480nm (Tm3+: 1G43H6) and 650 nm (Tm3+ : 1G43F4). Population of thulium levels was attained in result of the Yb 3+→Tm3+ upconversion energy transfer. Sensing application of elaborated active photonic structure was presented on the example of aqueous fluorescein solution. Fabricated microstructural optical fiber enables to measure of the fluorescein solutions with the concentration of (0.25 - 5.42)·10-4 [mol%]. Sensitivity of the elaborated measurement setup is 1.51·104 [1/mol%].

Paper Details

Date Published: 12 May 2014
PDF: 6 pages
Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 92280V (12 May 2014); doi: 10.1117/12.2067171
Show Author Affiliations
Karol Czajkowski, Białystok Univ. of Technology (Poland)
Marcin Kochanowicz, Białystok Univ. of Technology (Poland)
Jacek Zmojda, Białystok Univ. of Technology (Poland)
Piotr Miluski, Białystok Univ. of Technology (Poland)
Dominik Dorosz, Białystok Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 9228:
Optical Fibers and Their Applications 2014
Jan Dorosz; Ryszard S. Romaniuk, Editor(s)

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