Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7098
Title: Miniaturized fiber in-line Mach–Zehnder interferometer based on inner air cavity for high-temperature sensing
Authors: Hu, T
Wang, Y
Liao, C
Wang, D 
Keywords: Interferometry
Temperature
Ultrafast lasers
Issue Date: 15-Dec-2012
Publisher: Optical Society of America
Source: Optics letters, 15 Dec. 2012, v. 37, no. 24, p. 5082-5084 How to cite?
Journal: Optics letters 
Abstract: We demonstrate a miniaturized fiber in-line Mach–Zehnder interferometer based on an inner air cavity adjacent to the fiber core for high-temperature sensing. The inner air cavity is fabricated by femtosecond laser micromachining and the fusion splicing technique. Such a device is robust and insensitive to ambient refractive index change, and has high temperature sensitivity of ∼43.2  pm/°C , up to 1000°C, and low cross sensitivity to strain.
URI: http://hdl.handle.net/10397/7098
ISSN: 0146-9592
EISSN: 1539-4794
Rights: © 2012 Optical Society of America
This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-24-5082. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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