Low loss silica hollow core fibers for 3–4 μm spectral region

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We describe a silica hollow-core fiber for mid-infrared transmission with a minimum attenuation of 34 dB/km at 3050 nm wavelength. The design is based on the use of a negative curvature core wall. Similar fiber designed for longer wavelengths has a transmission band extending beyond 4 µm.
Original languageEnglish
Pages (from-to)11153-11158
Number of pages6
JournalOptics Express
Issue number10
Early online date29 Apr 2012
Publication statusPublished - 7 May 2012


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