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Mid-infrared supercontinuum generation in a three-hole Ge20Sb15Se65 chalcogenide suspended-core fiber

机译:三孔Ge20Sb15Se65硫族化物悬浮芯光纤中的中红外超连续谱生成

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This work experimentally demonstrates the supercontinuum (SC) generation in a three-hole arsenic free Ge20Sb15Se65 chalcogenide suspended-core fiber. Mechanical drilling was used to prepare the chalcogenide glass preform, which was drawn into suspended-core fibers. The zero-dispersion wavelength of the fiber is moved toward the shorter wavelength of about 3.2 mu m through changing the fiber core diameter by controlling the pressure of inert gas during fiber drawing. When a 15 cm-long fiber with a core diameter of 6 lm is pumped using 150 fs pulses at 3.3 mu m, SC spanning from similar to 3 mu m to similar to 8 mu m was generated. (C) 2017 Elsevier Inc. All rights reserved.
机译:这项工作实验证明了三孔无砷Ge20Sb15Se65硫族化物悬浮芯纤维中的超连续谱(SC)生成。机械钻孔用于制备硫属化物玻璃预制件,将其拉制成悬浮芯纤维。通过控制拉丝过程中惰性气体的压力来改变纤芯直径,使光纤的零色散波长移向约3.2微米的较短波长。当使用150 fs脉冲以3.3μm泵浦芯直径为6 lm的15 cm长的光纤时,产生的SC范围从大约3μm到大约8μm。 (C)2017 Elsevier Inc.保留所有权利。

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