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首页> 外文期刊>Optical fiber technology >Effect of controlling recrystallization from the melt on the residual stress and structural properties of the Silica-clad Ge core fiber
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Effect of controlling recrystallization from the melt on the residual stress and structural properties of the Silica-clad Ge core fiber

机译：控制熔体重结晶对包覆硅锗芯纤维残余应力和结构性能的影响

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摘要

Effect of controlling recrystallization from the melt (1000 degrees C) on the residual stress and structural properties of a Ge core fiber via molten core drawing (MCD) method is investigated. Ge core fibers is investigated using Raman spectroscopy, scanning electron microscope (SEM), and X-ray diffraction (XRD). Compared with the as-drawn Ge fiber, the Raman peak of the recrystallized Ge fiber shift from 300 cm(-1) to 300.6 cm(-1) and full width at half maximum (FWHM) decreased from 5.36 cm(-1) to 4.48 cm(-1). The Ge crystal grains which sizes are of 200-600 nm were formed during the process of recrystallization; the XRD peak of (111) plane is observed after recrystallization. These results show that controlling recrystallization allows the release of the thermal stress, and improvement of the crystal quality of Ge core. (C) 2017 Elsevier Inc. All rights reserved.
机译：研究了通过熔芯拉伸（MCD）方法控制熔体（1000摄氏度）中的再结晶对Ge芯纤维的残余应力和结构性能的影响。使用拉曼光谱，扫描电子显微镜（SEM）和X射线衍射（XRD）研究了锗芯纤维。与拉伸后的锗纤维相比，重结晶锗纤维的拉曼峰从300 cm（-1）移至300.6 cm（-1），半峰全宽（FWHM）从5.36 cm（-1）减小至4.48厘米（-1）。重结晶过程中形成了尺寸为200-600 nm的Ge晶粒。重结晶后观察到（111）面的XRD峰。这些结果表明，控制重结晶可以释放热应力，并改善Ge核的晶体质量。 （C）2017 Elsevier Inc.保留所有权利。

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  • 来源
    《Optical fiber technology》 |2017年第9期|6-10|共5页
  • 作者

    Zhao Ziwen; Cheng Xueli; He Ting; Xue Fei; Zhang Wei; Chen Na; Wen Jianxiang; Zeng Xianglong; Wang Tingyun;

  • 作者单位

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

    Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Ge core fiber; Recrystallization; Residual stress; Structural properties;

    机译：锗芯纤维;再结晶;残余应力;结构性能;

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