Detalhes bibliográficos
| Resumo: | In this paper we present results on the normalized temperature sensitivity of UV- and fs-induced fiber Bragg gratings in a singlemode fiber with ~4.7 mol% GeO2 and having an Ormocer coating. In the 1500-1600 nm wavelength range, the former shows an almost constant value of 6.165x10-6 K-1, whilst the fs-induced present some variation not related with the strength of the grating but probably due to induced birefringence. The average value obtained was 6.191x10-6 K-1 which is higher than the former. For the UV-induced gratings in the Corning SMF-28 fiber (3.67 mol% GeO2) the value obtained was 6.143x10-6 K-1. The achieved values are compatible with the use of Corning 7980 silica-based cladding fiber. Preliminary results also show no measurable impact of the hydrogenation process or the strength of the grating on the normalized temperature sensitivity. |
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| Autores principais: | Preizal, João |
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| Outros Autores: | Cosme, Miguel; Pota, Marizane; Caldas, Paulo; Araújo, Francisco M.; Oliveira, Ricardo; Nogueira, Rogério; Rego, Gaspar |
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| Assunto: | Fiber bragg gratings Temperature sensitivity |
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| Ano: | 2025 |
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| País: | Portugal |
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| Tipo de documento: | documento de conferência |
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| Tipo de acesso: | acesso a metadados |
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| Instituição associada: | Instituto Politécnico de Viana do Castelo |
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| Idioma: | inglês |
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| Origem: | Repositório Científico IPVC |
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