Refractive index insensitive two parameter sensor based on dual mode LPEG

Wang Xiangyu; Qiao Xueguang; Yu Dakuan

doi:10.12086/oee.2021.200247

[1] Vengsarkar A M, Lemaire P J, Judkins J B, et al. Long-period fiber gratings as band-rejection filters[J]. J Lightwave Technol, 1996, 14(1): 58–65.

[2] James S W, Tatam R P. Optical fibre long-period grating sensors: characteristics and application[J]. Meas Sci Technol, 2003, 14(5): R49–R61.

[3] Liao C R, Wang Y, Wang D N, et al. Femtosecond laser inscribed long-period gratings in all-solid photonic bandgap fibers[J]. IEEE Photonics Technol Lett, 2010, 22(6): 425–427.

[4] Martinez-Rios A, Monzon-Hernandez D, Torres-Gomez I. Highly sensitive cladding-etched arc-induced long-period fiber gratings for refractive index sensing[J]. Opt Commun, 2010, 283(6): 958–962.

[5] Bai Z Y, Zhang W G, Gao S C, et al. Compact long period fiber grating based on periodic micro-core-offset[J]. J Lightwave Technol, 2013, 25(21): 2111–2114.

[6] Rego G, Okhotnikov O, Dianov E, et al. High-temperature stability of long-period fiber gratings produced using an electric arc[J]. J Lightwave Technol, 2001, 19(10): 1574–1579.

[8] Chu J L, Shen C Y, Feng Q, et al. Simultaneous measurement of strain and temperature based on a long-period grating with a polarization maintaining fiber in a loop mirror[J]. Opt Fiber Technol, 2014, 20(1): 44–47.

[9] Yang M W, Wang D N, Wang Y, et al. Long period fiber grating formed by periodically structured microholes in all-solid photonic bandgap fiber[J]. Opt Express, 2010, 18(3): 2183–2189.