Fiber-optic bend sensor using LP21 mode operation

• Main Authors: Fan, Yuqiang., Wu, George., Wei, Wanting., Yuan, Yufeng., Lin, Feng., Wu, X.
• Other Authors: School of Computer Engineering
• Format: Article
• Language: English
• Published: 2013
• Subjects: DRNTU::Engineering::Computer science and engineering
• Online Access: https://hdl.handle.net/10356/84505; http://hdl.handle.net/10220/10937
• Institution: Nanyang Technological University

A novel fiber-optic bending sensor based upon the propagation of LP21 mode is demonstrated. The sensor, comprised of an S-bend fiber on an elastic film, measures LP21 mode specklegram rotation, which increments linearly with bending angle by the stress-optic effect. The sensor is capable of experime...