收稿日期: 2017-10-09
网络出版日期: 2018-01-31
基金资助
国家杰出青年科学基金（No.61425007）；国家自然科学基金重点项目（No.61635007）资助
Optical Fiber Sensors Based on In-Fiber Air Bubble Microcavirties
Received date: 2017-10-09
Online published: 2018-01-31
刘申, 廖常锐, 王义平 . 光纤气泡微腔传感技术[J]. 应用科学学报, 2018 , 36(1) : 104 -147 . DOI: 10.3969/j.issn.0255-8297.2018.01.006
Optical fiber sensors based on Fabry-Perot interferometer (FPI) with an infiber air bubble have attracted much attention for sensing applications in gas-pressure and tensile-strain measurement. Based on the recent research progress, a new technique is presented, which can create an air-bubble-based FPI by means of improved electrical arc discharge. Only a common fusion splicer is needed without any additional equipment. In this paper, the FPI sensor with air bubbles is described. The fabrication method, principle of operation and sensing applications are discussed. Furthermore, a novel optical microresonator based on an in-fiber rectangular air bubble is demonstrated. Whispering-gallery modes can be tuned by applying tensile strain to the rectangular air bubbles.
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