Active structural waveguide for sensing application

Karol Czajkowski; Marcin Kochanowicz; Jacek Zmojda; Piotr Miluski; Dominik Dorosz

doi:10.1117/12.2067171

12 May 2014 Active structural waveguide for sensing application

Karol Czajkowski, Marcin Kochanowicz, Jacek Zmojda, Piotr Miluski, Dominik Dorosz

Author Affiliations +

Proceedings Volume 9228, Optical Fibers and Their Applications 2014; 92280V (2014) https://doi.org/10.1117/12.2067171
Event: 15th Conference on Optical Fibers and Their Applications, 2014, Lipowy Most, Poland

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⁺: ¹G₄→³H₆) and 650 nm (Tm³⁺ : ¹G₄→³F₄). 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%].

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Karol Czajkowski, Marcin Kochanowicz, Jacek Zmojda, Piotr Miluski, and Dominik Dorosz "Active structural waveguide for sensing application", Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 92280V (12 May 2014); https://doi.org/10.1117/12.2067171

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