Abstract
This paper demonstrates a new and flexible route to microstructuring of chalcogenide glass fiber for operation in the near- to mid-infrared, presenting an alternative to air-glass microstructuring. For the first time, a one-layer, solid microstructured optical fiber is successfully drawn from As <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">40</sub> Se <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">60</sub> and Ge <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">10</sub> As <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">23.4</sub> Se <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">66.6</sub> (atomic %) chalcogenide glasses. Light guiding is demonstrated in the center core of this fiber at 1.55-mum wavelength.
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