| Issue |
EPJ Web Conf.
Volume 309, 2024
EOS Annual Meeting (EOSAM 2024)
|
|
|---|---|---|
| Article Number | 12010 | |
| Number of page(s) | 2 | |
| Section | Focused Sessions (FS) 2- Optical Fibers Technology | |
| DOI | https://doi.org/10.1051/epjconf/202430912010 | |
| Published online | 31 October 2024 | |
https://doi.org/10.1051/epjconf/202430912010
Study of self-heated tapered silica microfibers by laser in air
1 Université Paris-Saclay, Institut d’Optique Graduate School, CNRS, Laboratoire Charles Fabry, 91127, Palaiseau, France
2 Institut Femto-ST, CNRS, Université Bourgogne, Franche-Comté, 25030 Besançon, France
* Corresponding author: sylvie.lebrun@institutoptique.fr
Published online: 31 October 2024
We present measurements of the temperature of optical microfibers self-heated by a cw laser emitting at 1.48 μm. The experimental method we have implemented is simple and enables to perform for the first time to our knowledge spatially distributed measurements along the tapers and the microfiber part. Temperature rise of more than 20 °C is measured for moderate powers (200 mW) and relatively large radii (1.45 μm). The results are confronted to a numerical model we have developed and enable to determine range of values for the couple thermal transfer coefficient/surface absorption coefficient.
© The Authors, published by EDP Sciences, 2024
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