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21 January 2013 Large range linear torsion sensor based on a suspended-core fiber loop mirror
Ricardo M. Andre, Manuel Marques, Pawel Mergo, Orlando Frazão
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Optical Engineering, Vol. 52, Issue 2, 020501 (January 2013). https://doi.org/10.1117/1.OE.52.2.020501
Abstract
A fiber loop mirror containing a section of high-birefringence suspended-core fiber is used for torsion sensing. The suspended-core fiber section has a triangular-shaped core with an in-circle diameter of approximately 1.8 μm. Due to its small dimensions and geometric structure, it presents high birefringence and intermodal interference simultaneously. A torsion sensitivity of 59.0  pm/deg is obtained in a very large linear range of 900 deg with a resolution of 1.2 deg.
© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2013/$25.00 © 2013 SPIE
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Ricardo M. Andre, Manuel Marques, Pawel Mergo, and Orlando Frazão "Large range linear torsion sensor based on a suspended-core fiber loop mirror," Optical Engineering 52(2), 020501 (21 January 2013). https://doi.org/10.1117/1.OE.52.2.020501
Published: 21 January 2013
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Cited by 4 scholarly publications.
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KEYWORDS
Birefringence
Sensors
Mirrors
Temperature metrology
Polarization
Optics manufacturing
Single mode fibers
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