Wang Y. P., Xiao L., Wang D. N., Jin W., 2006, Highly sensitive long-period fiber-grating strain sensor with low temperature sensitivity, Opt. Lett., Vol. 31, No. 23, pp. 3414-3416

Zhong X., 2014, High-sensitivity strain sensor based on inflated long period fiber grating, Opt. Lett., Vol. 39, No. 18, pp. 5463-5466

Huang L., Meng X., Zhao Y., Liu Y., 2019, Temperature-insensitive directional bending sensors based on the interlaced tilted long-period gratings, Opt. Commun., Vol. 447, pp. 18-23

Chiang K. S., Liu Y., Ng M. N., Dong X., 2000, Analysis of etched long-period fibre grating and its response to external refractive index, Electron. Lett., Vol. 36, No. 11, pp. 966-967

Shu X., 2001, High-temperature sensitivity of long-period gratings in B-Ge codoped fiber, IEEE Photon. Technol. Lett., Vol. 13, No. 8, pp. 818-820

Wang Y. P., Wang D. N., Jin W., 2006, CO2 laser-grooved long period fiber grating temperature sensor system based on intensity modulation, Appl. opt., Vol. 45, No. 31, pp. 7966-7970

Han K. J., 2004, Simultaneous measurement of strain and temperature incorporating a long-period fiber grating inscribed on a polarization-maintaining fiber, IEEE Photon. Technol. Lett., Vol. 16, No. 9, pp. 2114-2116

Kang J., 2011, Simultaneous measurement of strain and temperature with a long-period fiber grating inscribed Sagnac interferometer, Opt. Commun., Vol. 284, No. 8, pp. 2145-2148

Jin X., 2019, High strain sensitivity temperature sensor based on a secondary modulated tapered long period fiber grating, IEEE Photon. J., Vol. 11, No. 1, pp. 1-8

Lee Y. W., 2006, Polarization-insensitive discrimination of strain and temperature based on long-period fiber grating inscribed on high-birefringent fiber ended with Faraday rotator mirror, Jap. J. App. Phys., Vol. 45, No. 3, pp. l92-L95

Vengsarkar A. M., 1996, Long-period fiber gratings as band-rejection filters, J. Lightwave Technol., Vol. 14, No. 1, pp. 58-65

Martinelli M., 1989, A universal compensator for polarization changes induced by birefringence on a retracing beam, Opt. Commun., Vol. 72, No. 6, pp. 341-344