Splicing fluoride glass and silica optical fibers

Splicing fluoride glass fibers and silica fibers is a critical point for manufacturing all fibered laser modules. As these materials are extremely different, various problems must be considered: thermal, expansion, mechanical, chemical. Reliability and power handling make priority concerns. We repor...

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Veröffentlicht in:EPJ Web of Conferences 2019, Vol.215, p.4003
Hauptverfasser: Cozic, Solenn, Boivinet, Simon, Pierre, Christophe, Boulet, Johan, Poulain, Samuel, Poulain, Marcel
Format: Artikel
Sprache:eng
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Zusammenfassung:Splicing fluoride glass fibers and silica fibers is a critical point for manufacturing all fibered laser modules. As these materials are extremely different, various problems must be considered: thermal, expansion, mechanical, chemical. Reliability and power handling make priority concerns. We report splices made on a 200/220 multimode silica fiber and a double clad 15/250/290 ZBLAN fiber. Splices are proof tested at 300 g tensile strength. No damage is observed after thermal cycling from -30 °C to 85 °C, at 40 % RH during 24 hours. Typical optical splice loss is about 0.2 dB. They withstand 220 W input power at 976 nm without any damage and drastic temperature increasing.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201921504003