A novel sensor using twisted optical fibers is proposed to detect distributed tensile strain. This sensor converts tensile strain to optical loss. The relation between tensile strain and optical loss is modeled and experimentally confirmed for uniform tensile strain.
© 1984 Optical Society of America
Tetsuji Abe, Yutaka Mitsunaga, and Hiroaki Koga, "Strain sensor using twisted optical fibers," Opt. Lett. 9, 373-374 (1984)