[1] Liao H, Lu P, Fu X et al. Sensitivity amplification of fiber-optic in-line Mach-Zehnder Interferometer sensors with modified Vernier-effect[J]. Optics Express, 25, 26898-26909(2017).

[2] Yang Y Q, Ge W, Jiang J X et al. Sensitivity-enhanced Sagnac interferometer temperature sensor based on Vernier effect with the help of Fabry-Perot interferometer[C](2017).

[3] Xu Z L, Luo Y Y, Sun Q Z et al. Refractive index sensor based on theta-shaped microfiber resonator and Vernier effect[J]. Proceedings of SPIE, 10323, 103233N(2017).

[4] Zhang Y X, Xu B, Wang D N et al. Sensitivity-enhanced fiber strain sensing system based on microwave frequency scanning with the Vernier effect[J]. Optical Fiber Technology, 43, 175-179(2018).

[5] Han Z T. The application study on highly sensitive optical fiber interference sensor[D](2019).

[6] Zhang L. Study on sensitization mechanism of optical fiber sensor based on vernier effect and optical path difference amplification[D](2014).

[7] Cai W J, Yu S D, Zhang Y C et al. Enhanced temperature sensing based on birefringence induced Vernier effect in a symmetrical metal-cladding waveguide[J]. Journal of Modern Optics, 67, 1053-1058(2020).

[8] Fan W W, Wan H D, Chen Y F et al. Highly sensitive fiber optic temperature sensor based on two-mode-single-mode microfiber Sagnac loop[J]. Acta Optica Sinica, 42, 1606001(2022).

[9] Vengal Rao P, Srimannarayana K, Sai Shankar M et al. A diaphragm based low-cost fiber optic pressure sensor[J]. Microwave and Optical Technology Letters, 54, 2229-2231(2012).

[10] Liu P D, Huang W Z, Zhang W T et al. Ultrahigh resolution optic fiber strain sensor with a frequency-locked random distributed feedback fiber laser[J]. Optics Letters, 43, 2499-2502(2018).

[11] Nasirifar R, Danaie M, Dideban A. Dual channel optical fiber refractive index sensor based on surface plasmon resonance[J]. Optik, 186, 194-204(2019).

[12] Gomes A D, Bartelt H, Frazão O. Optical vernier effect: recent advances and developments[J]. Laser & Photonics Reviews, 15, 2000588(2021).

[13] Gao H T, Wang J X, Shen J et al. Study of the vernier effect based on the Fabry-Perot interferometer: methodology and application[J]. Photonics, 8, 304(2021).

[14] Lei X Q, Dong X P. High-sensitivity Fabry-Perot interferometer high-temperature fiber sensor based on vernier effect[J]. IEEE Sensors Journal, 20, 5292-5297(2020).

[15] Wang Z R, Huang L, Liu C et al. Sensitivity-enhanced fiber temperature sensor based on vernier effect and dual in-line Mach–Zehnder interferometers[J]. IEEE Sensors Journal, 19, 7983-7987(2019).

[16] Fang S S, Wu X Q, Zhang G et al. High-sensitivity fiber optic temperature and strain sensors based on the vernier effect[J]. Chinese Journal of Lasers, 48, 0106004(2021).

[17] Xu T T, Yang Y Q, Yang W L et al. Cascaded double-cavity temperature sensor based on hollow fibers encapsulated by PDMS membrane[J]. Acta Optica Sinica, 42, 0806004(2022).

[18] Nan T, Liu B, Wu Y F et al. Ultrasensitive strain sensor based on Vernier-effect improved parallel structured fiber-optic Fabry-Perot interferometer[J]. Optics Express, 27, 17239-17250(2019).

[19] Gao H T, Wang J X, Shen J et al. Study of the vernier effect based on the Fabry-Perot interferometer: methodology and application[J]. Photonics, 8, 304(2021).

[20] Zhang P, Tang M, Gao F et al. Cascaded fiber-optic Fabry-Perot interferometers with Vernier effect for highly sensitive measurement of axial strain and magnetic field[J]. Optics Express, 22, 19581-19588(2014).