Thermal-induced luminescence enhancement of BAC-P in bismuth-doped phosphogermanosilicate fibers.
Opt Lett
; 45(5): 1152-1155, 2020 Mar 01.
Article
em En
| MEDLINE
| ID: mdl-32108793
ABSTRACT
The thermal quenching effect has been systematically investigated in bismuth (Bi)-doped phosphogermanosilicate fiber with varying thermal conditions. For the first time, to the best of our knowledge, the activation of phosphor-related Bi active center (BAC-P) is achieved by thermal quenching at 400°C with a heating time of 10 min, evidenced by the enhanced luminescence of BAC-P (${\sim}{1.3}$â¼1.3 times) at 1300 nm. The experimental results reveal that a relatively low heating temperature with prolonged heating time stimulates the growth of BAC-P, whereas higher operating temperatures ($ {\ge} 500^\circ $≥500∘C) result in the irreversible destruction of BAC-P. The underlying mechanism for the thermally stimulated BAC-P process is also analyzed and discussed.
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01-internacional
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MEDLINE
Idioma:
En
Revista:
Opt Lett
Ano de publicação:
2020
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Article