Mechanically created long-period fiber gratings as sensitive bend sensors

Nahar Singh; Subhash C. Jain; Vandana Mishra; G. C. Poddar; Ashu Bansal; V. K. Jindal; Ram Prasad Bajpai

doi:10.1117/1.1871792

1 March 2005 Mechanically created long-period fiber gratings as sensitive bend sensors

Nahar Singh, Subhash C. Jain, Vandana Mishra, G. C. Poddar, Ashu Bansal, V. K. Jindal, Ram Prasad Bajpai

Author Affiliations +

Optical Engineering, Vol. 44, Issue 3, 034403 (March 2005). https://doi.org/10.1117/1.1871792

Abstract

An application of mechanically created long-period fiber gratings as sensitive bend sensors in structures and other areas is suggested. A resonance splitting of about 10 nm is observed under a maximum bend curvature of 0.4 m^–1, producing a bend sensitivity of 25 nm/m^–1. The design features of the experimental setup developed for the realization of mechanically created long-period fiber gratings and measurement of their output spectrum under different bend curvatures are discussed.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Nahar Singh, Subhash C. Jain, Vandana Mishra, G. C. Poddar, Ashu Bansal, V. K. Jindal, and Ram Prasad Bajpai "Mechanically created long-period fiber gratings as sensitive bend sensors," Optical Engineering 44(3), 034403 (1 March 2005). https://doi.org/10.1117/1.1871792

Published: 1 March 2005

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