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High Sensitivity Refractometer Based on a Tapered-Single Mode-No Core-Single Mode Fiber Structure.
Yang, Wenlei; Zhang, Shuo; Geng, Tao; Li, Le; Li, Guoan; Gong, Yijia; Zhang, Kai; Tong, Chengguo; Lu, Chunlian; Sun, Weimin; Yuan, Libo.
Affiliation
  • Yang W; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. yangwenlei@hrbeu.edu.cn.
  • Zhang S; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. zhangshuo0814@126.com.
  • Geng T; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. gengtao_hit_oe@126.com.
  • Li L; Centre for Composite Materials and Structures, Key Laboratory of Science and Technology for National Defence, Harbin Institute of Technology (HIT), Harbin 150080, China. lile_19851125@163.com.
  • Li G; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. an0814@hrbeu.edu.cn.
  • Gong Y; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. gongyijia0322@163.com.
  • Zhang K; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. zhangkai@hrbeu.edu.cn.
  • Tong C; School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guangxi Zhuangzuzizhiqu, China. chengguotong73@163.com.
  • Lu C; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. an0814@hrbeu.edu.cn.
  • Sun W; Key Lab of In-fiber Integrated Optics, Ministry Education of China, Harbin Engineering University, Harbin 150001, China. sunweimin@hrbeu.edu.cn.
  • Yuan L; School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guangxi Zhuangzuzizhiqu, China. lbyuan@vip.sina.com.
Sensors (Basel) ; 19(7)2019 Apr 10.
Article in En | MEDLINE | ID: mdl-30974912
ABSTRACT
We have proposed a novel tapered-single mode-no core-single mode (TSNS) fiber refractometer based on multimode interference. The TSNS structure exhibits a high contrast ratio (＞15 dB) and a uniform interference fringe. The influence of different lengths and diameters of the TSNS on the refractive index unit (RIU) sensitivity was investigated. The experimental investigations indicated a maximum sensitivity of 1517.28 nm/RIU for a refractive index of 1.417 and low-temperature sensitivity (＜10 pm/ºC). The experimental and simulation results are also in good agreement.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Diagnostic_studies Language: En Journal: Sensors (Basel) Year: 2019 Document type: Article Affiliation country:
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Diagnostic_studies Language: En Journal: Sensors (Basel) Year: 2019 Document type: Article Affiliation country: