Compact Mach-Zehnder Interferometer Based on Tapered Hollow Optical Fiber

被引：27
作者：
Zhu, Cong-Cong [1 ]
Yu, Yong-Sen [1 ]
Zhang, Xuan-Yu [1 ]
Chen, Chao [2 ]
Liang, Ju-Fa [1 ]
Liu, Zi-Jian [1 ]
Meng, Ai-Hua [1 ]
Jing, Shi-Mei [1 ]
Sun, Hong-Bo [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Fiber optical sensor; Mach-Zehnder interferometer; hollow optical fiber; fiber taper; SINGLE-MODE FIBER; HIGH-SENSITIVITY; SENSOR; TEMPERATURE;
D O I：
10.1109/LPT.2015.2417212
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A compact fiber Mach-Zehnder interferometer based on tapered hollow optical fiber (THOF) has been demonstrated. The THOF is sandwiched between two single mode fibers (SMFs), forming a SMF-THOF-SMF (STS) structure. The discharging during the splicing and tapering processes induces the collapsed regions in the hollow fiber, which form the modal coupling/re-coupling areas of the interferometer. The THOF has a length of about 2 mm and the taper waist diameter is about 66.5 mu m. The refractive index (RI), stress, and temperature response properties of the STS interferometer have been investigated, which show a high RI sensitivity and low temperature cross-sensitivity. The STS interferometer holds the merits of compact structure, low cost and easy fabrication, making it a suitable candidate in the biochemical and physical sensing fields.
引用
收藏
页码：1277 / 1280
页数：4
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