NDLI: Direct inscription of intrinsic Fabry-Perot interferometers in optical fiber tapers with a femtosecond laser

Content Provider	IEEE Xplore Digital Library
Author	Li, Jinlong Zhang, Xiaobei Wang, Wenyuan Pang, Fufei Liu, Yunqi Wang, Tingyun
Copyright Year	2011
Description	Author affiliation: Key Laboratory of Specialty Fiber Optics and Optical Access Networks and School of Communication and Information Engineering, Shanghai University, 200072, China (Li, Jinlong; Zhang, Xiaobei; Wang, Wenyuan; Pang, Fufei; Liu, Yunqi; Wang, Tingyun)
Abstract	In this work, we report a sensing configuration of the fiber taper intrinsic Fabry-Perot interferometer directly inscribed in single-mode optical fiber tapers with different waist diameters from 14 to 80 µm using a femtosecond laser micromachining system. By controlling the inscribing depth and intensity of the fs laser pulse, the fringe visibility can exceed 9.0 dB when the fiber taper waist diameter is around 15 µm, which is sufficient for most sensing applications. The sensor sensitivity depends on the fiber taper waist diameter, while a smaller diameter corresponds to a large sensitivity. Different free spectral ranges can be achieved for various cavity lengths. Such a structure can combine the high sensitivity properties of fiber taper sensors with the high resolution features of Fabry-Perot interferometer sensors. Meanwhile, this structure can have a number of outstanding advantages, such as its small size, unique geometry, easy fabrication, low cost and capability for mass production. These fiber taper intrinsic Fabry-Perot interferometer sensors have high potential in fast detection and high precision measurement while maintaining superior reliability for chemical and biological sensing.
Starting Page	1
Ending Page	6
File Size	1645034
Page Count	6
File Format	PDF
ISBN	9780819489616
ISSN	21621098
DOI	10.1117/12.905596
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	SPIE
Subject Keyword	Fabry-Perot interferometer Optical fiber sensor Abstracts Femtosecond laser Educational institutions Sensors Fiber taper
Content Type	Text
Resource Type	Article

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