无机材料学报2018，Vol.33Issue(6)：678-682,5.DOI:10.15541/jim20170249
单模硫系玻璃光纤的制备及其超连续谱的产生特性
Single-mode Chalcogenide Fiber: Fabrication and Supercontinuum Generation
摘要
Abstract
Chalcogenide (ChG) glasses are well known for their unique characteristics in infrared (IR) and strong nonlinearities, endowing them as promising candidates for Mid-IR supercontinuum generation (SCG). Here, step-index As-S fiber with a small core was fabricated via twice-extrusion method. The fiber is single-mode when the propagating light wavelength is longer than 6.3 μm. Loss baseline of the step-index fiber is about 1 dB/m. Ze-ro-dispersion-wavelength (ZDW) of the fiber is located at near 5.2 μm. By pumping the fiber with a femtosecond laser of optical parametric amplifier (OPA), Mid-IR SCG was investigated in multi-length scale fibers with different pumping wavelengths. Launching intense ultra-short pulses (～150 fs, 1 kHz) into a 23-cm-long fiber, Mid-IR SC spanning from 1.5 μm to 8.7 μm can be observed when pumping at a central wavelength of either 4.5 μm or 5.2 μm, corresponding to absorption peak at normal dispersion regime and ZDW, respectively. Besides, the spectra spanning would be extended in shorter fiber length under optimized pumping laser power. For ChG glass fiber, shorter fiber length is much more suitable for SC spanning than longer fiber length.关键词
硫系玻璃/单模光纤/超连续谱Key words
chalcogenide glass/single-mode fiber/supercontinuum generation分类
信息技术与安全科学引用本文复制引用
陈玮,朱宁,赵浙明,张培晴,王训四,戴世勋..单模硫系玻璃光纤的制备及其超连续谱的产生特性[J].无机材料学报,2018,33(6):678-682,5.基金项目
国家自然科学基金(61377099,61627815,61705091) （61377099,61627815,61705091）
浙江省重中之重学科开放基金(xkxl1508) （xkxl1508）
浙江省光电探测材料及器件重点实验室开放基金(2017004) （2017004）
嘉兴市科技局项目(2017AY13010) （2017AY13010）
嘉兴学院南湖学院科研重点资助项目 National Natural Science Foundation of China (61377099, 61627815, 61705091) （61377099, 61627815, 61705091）
Opened Key-Subject Construction Fund of Zhejiang Province, China (xkxl1508) （xkxl1508）
Opening Project of Key Laboratory of Optoelectronic Detection Materials and Devices of Zhejiang Province(2017004) （2017004）
Program for Science and Technology of Jiaxing City (2017AY13010) （2017AY13010）
Key Project of Nanhu College, Jiaxing University （）
