Li, F., Zhang, W. T., Li, F. & Du, Y. L. Fiber optic inclinometer for land-slide monitoring. Appl. Mech. Mater. 166, 2623–2626 (2012).
Zhuang, Y. et al. A high-resolution 2-D fiber optic inclinometer for structural health monitoring applications. IEEE T. Instrum. Meas. 69(9), 6544–6555 (2020).
Lee, Y. G., Jang, H. K., Kim, D. H. & Kim, C. G. Development of a mirror Mounted fiber optic inclinometer. Sensor. Act. A. Phys. 184, 46–52 (2012).
Li, J., Qiao, X., Rong, Q. & Sun, A. A compact fiber inclinometer using a thin-core fiber with incorporated an air-gap microcavity. F. I. G. 16(1), 92–100 (2016).
Deng, M., Tang, C. P., Zhu, T. & Rao, Y. J. Highly sensitive bend sensor based on Mach-Zehnder interferometer using photonic crystal fiber. Opt. 284(12), 2849–2853 (2011).
Mao, L., Lu, P., Lao, Z., Liu, D. & Zhang, J. Highly sensitive curvature sensor based on single-mode fiber using core-offset splicing. Opt. Laser technol. 57, 39–43 (2014).
Guan, B. O., Tam, H. Y. & Liu, S. Y. Temperature-independent fiber Bragg grating Tilt sensor. IEEE photon. Technol. Lett. 16(1), 224–226 (2004).
Rauf, A., Zhao, J., Jiang, B., Jiang, Y. & Jiang, W. Bend measurement using an etched fiber incorporating a fiber bragg grating. Opt. Lett. 38(2), 214–216 (2013).
Rong, Q. et al. Simultaneous measure-ment for displacement and temperature using fiber bragg grating cladding mode based on core diameter mismatch. J. Lightwave. Technol. 30(11), 1645–1650 (2012).
Albert, J., Shao, L. Y. & Caucheteur, C. Tilted fiber bragg grating sensors. Laser. Photonics. Rev. 7(1), 83–108 (2012).
Guo, C., Chen, D., Shen, C., Lu, Y. & Liu, H. Optical inclinometer based on a tilted fiber Bragg grating with fused taper. Opt. Fiber. Technol. 24, 30–33 (2015).
Frazão, O. et al. Optical inclinometer based on a single long-period fiber grating combined with a fused taper. Opt. Lett. 31(20), 2960–2962 (2006).
Shao, L. Y. & Albert, J. Compact fiber-optic vector inclinometer. Opt. Lett. 35(7), 1034–1036 (2010).
Li, J., Qiao, X., Rong, Q. & Sun, A. A compact fiber inclinometer using a thin-core fiber with incorporated an air-gap microcavity fiber interferometer. Sensors. 16(1), 92–100 (2016).
Osuch, T., Markowski, K., Manujło, A. & Jędrzejewski, K. Coupling independent fiber optic tilt and temperature sensor based on chirped tapered fiber Bragg grating in double-pass configuration. Sen. Actuators A. Phy. 252(1), 76–81 (2016).
Lee, C. et al. Tapered polymer fiber inclinometers. IEEE Photon. J. 12(3), 1–10 (2020).
Feng, Z. Y. et al. A fiber inclinometer using a fiber microtaper with an air-gap microcavity fiber interferometer. Opt. Commun. 364(1), 134–138 (2016).
Gong, H., Qian, Z., Yang, X., Zhao, C. L. & Dong, X. Optical fiber inclinometer based on a fiber taper cascading a peanut-shape structure. IEEE Sen. J. 15(7), 3917–3920 (2015).
Li, J., Qiao, X., Rong, Q. & Sun, A. A Compact fiber inclinometer using a thin-core fiber with incorporated an air-gap microcavity fiber interferometer. Sensors. 16 (1), (2016).
Liu, S. et al. Direction-independent fiber inclinometer based on simplified hollow core photonic crystal fiber. Opt. Lett. 38(4), 449–451 (2013).
Gong, H., Song, H., Zhang, S., Jin, Y. & Dong, X. Curvature sensor based on hollow-core photonic crystal fiber sagnac interferometer. IEEE Sens. J. 14(3), 777–780 (2014).
Qi, Y. et al. Highly sensitive curvature Sensor based on a multicladding fiber sandwiched dual no-core fibers structure. Appl. Opt. 53(28), 6382–6388 (2014).
Smart Sensor Technology and Measurement Systems. Inaudi, D. & Glisic, B. Development of a fiber optic interferometric inclinometer. Smart Structures and Materials. 2002. Int. Soc. Opt. Photon. 4694, 36–42 (2002).
Mao, L., Lu, P., Lao, Z., Liu, D. & Zhang, J. Highly sensitive curvature sensor based on single mode fiber using core-offset splicing. Opt. Laser. Technol. 57(4), 39–43 (2014).
Wang, L. Y. et al. Bending vector sensor based on Machzehnder interferometer using S type fibre taper and lateral-offset. J. Mod. Optic. 63(21), 2146–2150 (2016).
Zhang, S., Zhang, W., Gao, S., Geng, P. & Xue, X. Fiber-optic bending vector sensor based on Mach-Zehnder interferometer exploiting lateral-offset and up-taper. Opt. Lett. 37(21), 4480–4482 (2012).
Song, B. et al. Orientation dependant inclinometer based on intermodal coupling of two-LP-modes in a polarization-maintaining photonic crystal fiber. Opt. Express. 21(15), 17576–17585 (2013).
Song, B. et al. Multi-mode interferometer-based twist sensor with low temperature sensitivity employing square coreless fibers. Opt. Express. 21(22), 26806–26811 (2013).
Lu, P., Men, L., Sooley, K. & Chen, Q. Tapered fiber Mach-Zehnder interferometerfor simultaneous measurement of refractive index and temperature. Appl. Phys. Lett. 94(13), 5267–5269 (2009).
