Szczegóły publikacji
Opis bibliograficzny
Extended-range thermometry via dual er fluorescence of oxyfluoride glass-ceramic optical fibers / Giulio Gorni, Mercedes Sedano, Marcin Kochanowicz, Dominik DOROSZ, Carlos Zaldo, María Jesús Pascual // Advanced Optical Materials [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 2195-1071 . — 2026 — vol. 14 iss. 3 art. no. e01720, s. 1-15. — Wymagania systemowe: Adobe Reader. — Bibliogr. s. 13-15, Abstr. — Publikacja dostępna online od: 2025-12-28
Autorzy (6)
- Gorni Giulio
- Sedano Mercedes
- Kochanowicz Marcin
- AGHDorosz Dominik Jacek
- Zaldo Carlos
- Pascual Maria Jesus
Dane bibliometryczne
| ID BaDAP | 166310 |
|---|---|
| Data dodania do BaDAP | 2026-03-11 |
| Tekst źródłowy | URL |
| DOI | 10.1002/adom.202501720 |
| Rok publikacji | 2026 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | Advanced Optical Materials |
Abstract
Oxyfluoride glass-ceramics (GCs) containing LaF3 or α-NaLuF4 nanocrystals, co-doped with 2 mol% Yb3+ and 0.5 mol% Er3+, are considered as core materials for the implementation of optical fiber photoluminescence (PL) thermometers. A dual-channel ratiometric thermometry approach combining green (UC, 2H11/2 → 4I15/2 vs 4S3/2 → 4I15/2) and infrared (IR, 4I13/2(m´) → 4I15/2 vs 4I13/2(m) → 4I15/2) emissions allows the extension of the sensing temperature range above the UC luminescence quenching (at ≈ 650 K) by over 100 K (LaF3) or 150 K (α-NaLuF4). The IR channel operates at the wavelength of minimum propagation losses of optical fibers, facilitating long-distance propagation of luminescence signals. The UC channel in LaF3-GC shows a maximum absolute sensitivity SA = 102 × 10−4 K−1 at 602 K in glass and SA = 71 × 10−4 K−1 at 591 K in GC with thermal resolution δ = 1.5–3 K. The α-NaLuF4-glass and -GC reach UC SA = 90 × 10−4 K−1 at 698 K. The IR channel in both GCs, based on PL intensity ratios at λ = 1498 nm and λ = 1610 nm, exhibits SA ≈ 30-10 × 10−4 K−1 for the 300–800 K range with thermal resolution δ = 4.8-6.4 K.
