| Issue |
EPJ Web Conf.
Volume 215, 2019
EOS Optical Technologies
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 2 | |
| Section | Manufacturing, Tolerancing and Testing of Optical Systems (MOS) – Session 4 | |
| DOI | https://doi.org/10.1051/epjconf/201921504003 | |
| Published online | 10 September 2019 | |
https://doi.org/10.1051/epjconf/201921504003
Splicing fluoride glass and silica optical fibers
1
Le Verre Fluoré, Rue Gabriel Voisin, Campus Kerlann 35170 Bruz, France
2
Alphanov, Rue François Mitterrand, 33400 Talence, France
3
Institut Sciences Chimiques de Rennes, Campus Beaulieu, 35042 Rennes Cedex, France
* Corresponding author: solenn.cozic@leverrefluore.eu
Published online: 10 September 2019
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.
© The Authors, published by EDP Sciences, 2019
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