• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Optical fiber technology >Highly sensitive measurement of surrounding refractive index using tapered trench-assisted multicore fiber
【24h】

Highly sensitive measurement of surrounding refractive index using tapered trench-assisted multicore fiber

机译：使用锥形沟槽辅助多芯纤维的周围折射率的高度敏感测量

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In this study, a surrounding refractive index (SRI) sensor based on tapered trench-assisted multicore fiber (TAMCF) is proposed and experimentally demonstrated. A segment of TAMCF was spliced between two single mode fibers (SMF28). Electric arc discharge technique was employed to fabricate a tapered sensor with a SMF28-tapered TAMCF-SMF28 structure. Numerical beam propagation was used to investigate the benefit of tapering on TAMCF. Tapering allows coupling of light in the center and outer cores, thereby enhancing the sensitivity of the sensor. Two sensors were fabricated with waist lengths of 10 and 15 mm and a waist diameter of 25 mu m. The sensitivity of sensors at different SRI ranges was investigated using a set of honey/water solutions with precisely controlled concentrations. The measured SRI sensitivity was up to 35089.28 nm/RIU (refractive index unit) in SRI range from 1.4430 to 1.4442, which is higher than previously reported studies using other kinds of MCF sensors. SRI sensitivity was enhanced with the increase in waist length of the tapered TAMCF. The fabricated sensors have demonstrated good linearity in terms of spectral wavelength shift versus SRI variations.
机译：在该研究中，提出了一种基于锥形沟槽辅助的多芯光纤（TAMCF）的周围折射率（SRI）传感器，并实验证明。 TAMCF的一段是在两个单一模式纤维（SMF28）之间拼接。采用电弧放电技术制造具有SMF28锥形TAMCF-SMF28结构的锥形传感器。数值波束繁殖用于研究锥度对TAMCF的益处。逐渐逐渐允许光在中心和外核中的耦合，从而提高传感器的灵敏度。两个传感器用腰部长度为10和15毫米，腰部直径为25μm。使用具有精确控制浓度的一组蜂蜜/水溶液研究了不同SRI范围的传感器的敏感性。测量的SRI敏感度高达35089.28 nm / Riu（折射率单元），SRI范围为1.4430至1.4442，其高于使用其他类型的MCF传感器的先前报告的研究。随着锥形TAMCF的腰部长度的增加，SRI敏感性增强。在频谱波长偏移和SRI变化方面，制造的传感器已经证明了良好的线性。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号