DocumentCode
1771028
Title
Fiber torsion sensor with directional discrimination based on twist-induced circular birefringence in unbalanced Mach-Zehnder interferometer
Author
Nan-Kuang Chen ; Jheng-Jyun Wang ; Gia-Ling Cheng ; Wood-Hi Cheng ; Shum, Perry Ping
Author_Institution
Dept. of Electro-Opt. Eng., Nat. United Univ., Miaoli, Taiwan
fYear
2014
fDate
8-13 June 2014
Firstpage
1
Lastpage
2
Abstract
We demonstrate fiber torsion sensor based on twist-induced circular birefringence in unbalanced Mach-Zehnder interferometer with two dissimilar abrupt tapers in a short (~1.4cm) highly Er/Yb co-doped fiber for simultaneous measurements of twisting angle and direction.
Keywords
Mach-Zehnder interferometers; angular measurement; birefringence; erbium; fibre optic sensors; ytterbium; Er-Yb codoped fiber; abrupt tapers; direction measurements; directional discrimination; fiber torsion sensor; twist-induced circular birefringence; twisting angle measurements; unbalanced Mach-Zehnder interferometer; Erbium; Optical fiber sensors; Optical fibers; Propagation losses;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
6989223
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