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

2021/05/05 by Jonas H. Osório, Osório, Jonas H., Foued Amrani +19
Engineering · #Advanced Fiber Optic Sensors #Photonic Crystal and Fiber Optics #Optical Network Technologies

paper · doi:10.48550/arxiv.2105.11900

Abstract

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 (50.0 dB/km at 290 nm, 9.7 dB/km at 369 nm, 5.0 dB/km at 480 nm, 0.9 dB/km at 558 nm, 1.8 dB/km at 719 nm).

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