Hollow-core fibers with ultralow loss in the ultraviolet range and sub-thermodynamic equilibrium surface-roughness

We report on hollow-core fibers displaying rms core roughness under the surface capillary waves thermodynamic limit and record loss in the short-wavelength range (50.0dB/km at 290nm, 9.7dB/km at 369nm, 5.0dB/km at 480nm, 0.9dB/km at 558nm).

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Bibliographic Details
Published in2022 Conference on Lasers and Electro-Optics (CLEO) pp. 1 - 2
Main Authors Osorio, J. H., Amrani, F., Delahaye, F., Dhaybi, A., Vasko, K., Tessier, G., Giovanardi, F., Vincetti, L., Debord, B., Gerome, F., Benabid, F.
Format Conference Proceeding
LanguageEnglish
Published OSA 01.05.2022
Subjects
Electrooptical waveguides
Lasers and electrooptics
Rough surfaces
Surface emitting lasers
Surface roughness
Surface waves
Thermodynamics
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Summary:We report on hollow-core fibers displaying rms core roughness under the surface capillary waves thermodynamic limit and record loss in the short-wavelength range (50.0dB/km at 290nm, 9.7dB/km at 369nm, 5.0dB/km at 480nm, 0.9dB/km at 558nm).