期刊
OPTICS EXPRESS
卷 26, 期 3, 页码 3098-3107出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.26.003098
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资金
- National Natural Science Foundation of China [61505119, 61405125, 61425007]
- National Postdoctoral Program for Innovative Talents [BX201600077]
- Brain Gain Foundation of Nanjing University of Posts and Telecommunications [NY215040]
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province [GD201706]
The mismatching between permittivities of guided mode and air limits the operation of accurately monitoring the change in the refractive index of the surrounding air. To solve it, we propose a platform using a hollow core fiber with the integration of graphene coating. Experimental results demonstrate that the anti-resonant reflecting guidance has been enhanced while it induces sharply and periodically lossy dips in the transmission spectrum. We conclude a sensitivity of -365.9 dB/RIU and a high detection limit of 2.73 x 10(-6) RIU by means of interrogating the intensity of the lossy dips. We believe that this configuration opens a direction for highly sensitive sensing in researches of chemistry, medicine, and biology. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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