20 February 2018 2-µm wavelength-range low-loss inhibited-coupling hollow-core PCF
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Abstract
We report on the design and fabrication of inhibited-coupling guiding hollow-core photonic crystal fiber with a transmission band optimized for low loss guidance around 2 μm. Two fibers design based on a Kagome-lattice cladding have been studied to demonstrate a minimum loss figure of 25 dB/km at 2 μm associated to an ultra-broad transmission band spanning from the visible to our detection limit of 3.4 μm. Such fibers could be an excellent tool to deliver and compress ultra-short pulse laser systems, especially for the emerging 2-3 μm spectral region.
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M. Maurel, M. Chafer, F. Delahaye, F. Amrani, B. Debord, F. Gerome, F. Benabid, "2-µm wavelength-range low-loss inhibited-coupling hollow-core PCF", Proc. SPIE 10513, Components and Packaging for Laser Systems IV, 1051305 (20 February 2018); doi: 10.1117/12.2291026; https://doi.org/10.1117/12.2291026
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