Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Ultrasensitive interferometers based on zigzag-shaped tapered optical microfibers operating at the dispersion turning point | |
W. Zhou; Y. Wei; Y. Wang; K. Li; H. Yu and Y. Wu | |
2021 | |
发表期刊 | Optics Express |
ISSN | 10944087 |
卷号 | 29期号:22页码:36926-36935 |
摘要 | This work proposes and demonstrates a novel interferometric sensor based on a zigzag-shaped tapered optical microfiber (Z-OMF) working at the dispersion turning point (DTP). The Z-OMF can be fabricated in a controllable manner through a modified fiber tapering method. Our study shows that the bending taper can transfer a portion of the fundamental HE11 mode to higher-order modes, and when the bending angle of the Z-OMF reaches 1.61, high contrast interference fringes can be formed between the HE11 and the HE21 modes. More importantly, we find that by optimizing the diameter of the OMF, the group effective refractive index (RI) difference between HE11 and HE21 mode equals zero, and the refractive index sensing performance can be dramatically improved. To validate our proposed sensing mechanism, we experimentally demonstrate an ultrahigh sensitivity of 1.46105 0.09105 nm/RIU. The proposed Z-OMF interferometer has the advantage of high sensitivity and low cost and shows excellent potential in chemical and biological detection. 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement |
DOI | 10.1364/OE.441874 |
URL | 查看原文 |
收录类别 | SCI ; EI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/65731 |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | W. Zhou,Y. Wei,Y. Wang,et al. Ultrasensitive interferometers based on zigzag-shaped tapered optical microfibers operating at the dispersion turning point[J]. Optics Express,2021,29(22):36926-36935. |
APA | W. Zhou,Y. Wei,Y. Wang,K. Li,&H. Yu and Y. Wu.(2021).Ultrasensitive interferometers based on zigzag-shaped tapered optical microfibers operating at the dispersion turning point.Optics Express,29(22),36926-36935. |
MLA | W. Zhou,et al."Ultrasensitive interferometers based on zigzag-shaped tapered optical microfibers operating at the dispersion turning point".Optics Express 29.22(2021):36926-36935. |
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