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.
© 2012 OSA
Yu, F., Wadsworth, W.J. and Knight, J.C., 2012. Low loss silica hollow core fibers for 3–4 μm spectral region. Optics express, 20(10), pp.11153-11158.
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Categories: Photonics & Optoelectronics