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High brightness 2.2-12 μm mid-infrared supercontinuum generation in a nontoxic chalcogenide step-index fiber

Zhang, Bin; Yu, Yi; Zhai, Chengcheng; Qi, Sisheng; Wang, Yuwei; Yang, Anping; Gai, Xin; Wang, Rongping; Yang, Zhiyong; Luther-Davies, Barry

Description

An environment friendly nonlinear chalcogenide glass fiber with a Ge-Sb-Se core and a Ge-Se cladding is fabricated for bright broadband mid-infrared (MIR) supercontinuum (SC) generation. The fabricated Ge-Sb-Se/Ge-Se fiber with a core diameter of 6 μm shows zero group velocity dispersion at ~4.2 μm and ~7.3 μm. By pumping the fiber with a length of 11 cm at 4.485 μm with 330 fs pulses, we achieve a SC covering the 2.2–12 μm spectral range and with an output average power of ~17 mW. This bright...[Show more]

CollectionsANU Research Publications
Date published: 2016-08
Type: Journal article
URI: http://hdl.handle.net/1885/108718
Source: Journal of the American Ceramic Society
DOI: 10.1111/jace.14391

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