[1] Zhang W H, Gao W L, Tong Z R et al. Mach-Zehnder interferometer cascaded with FBG for simultaneous measurement of RI and temperature[J]. Optics Communications, 466, 125624(2020).
[2] Gao W L, Zhang W H, Tong Z R et al. Refractive index and temperature sensor based on optical fiber Mach-Zehnder interferometer with trapezoid cone[J]. Optical Engineering, 58, 057102(2019).
[3] Zhao H X, Jiang Y X, Luo T Q et al. Hollow optical fiber sensor based on surface plasmon resonance[J]. Acta Optica Sinica, 32, 0628001(2012).
[4] Fan Y Y, Shi W H. Photonic crystal fiber biosensors based on surface plasmon resonance[J]. Laser & Optoelectronics Progress, 58, 2106003(2021).
[5] Mumtaz F, Roman M, Zhang B H et al. A simple optical fiber SPR sensor with ultra-high sensitivity for dual-parameter measurement[J]. IEEE Photonics Journal, 14, 6852907(2022).
[6] Zhou Y N, Yan X. D-shaped fiber surface plasmon resonance refractive index sensor enhanced by MXene (Ti3C2Tx)[J]. IEEE Photonics Journal, 14, 7151607(2022).
[7] Zou T, Zhong J L, Liu S et al. Helical intermediate-period fiber grating for refractive index measurements with low-sensitive temperature and torsion response[J]. Journal of Lightwave Technology, 39, 6678-6685(2021).
[8] Wen H Y, Lee K N, Hsu Y C et al. Sensors in tilted fiber Bragg gratings via spherical metal-reflective ends[J]. IEEE Sensors Journal, 21, 2989-2994(2021).
[9] Mizuno Y, Theodosiou A, Kalli K et al. Distributed polymer optical fiber sensors: a review and outlook[J]. Photonics Research, 9, 1719-1733(2021).
[10] Wu S N, Yan G F, Zhou B et al. Open-cavity Fabry-Perot interferometer based on etched side-hole fiber for microfluidic sensing[J]. IEEE Photonics Technology Letters, 27, 1813-1816(2015).
[11] Tian J J, Lu Y J, Zhang Q et al. Microfluidic refractive index sensor based on an all-silica in-line Fabry-Perot interferometer fabricated with microstructured fibers[J]. Optics Express, 21, 6633-6639(2013).
[12] Liu L, Ning T G, Zheng J J et al. High-sensitivity strain sensor implemented by hybrid cascaded interferometers and the Vernier-effect[J]. Optics & Laser Technology, 119, 105591(2019).
[13] Wen X Y, Lin G H, Jia X N et al. Modal interference discrepancy and its application to a modified fiber Mach-Zehnder Vernier interferometer[J]. Optics Express, 30, 42875-42891(2022).
[14] Liu F L, Zhang Y M, Zhuang W et al. Fiber temperature sensor with composite structure based on vernier effect and substrate sensitization[J]. Acta Optica Sinica, 41, 1506002(2021).
[15] Hu B Y, Wen F R, Cheng Y S et al. Simultaneous measurement of temperature and pressure based on cascaded Fabry-Perot interferometer[J]. Laser & Optoelectronics Progress, 58, 1906006(2021).
[16] Hu B Y, Wen F R, Cheng Y S et al. Simultaneous measurement of temperature and pressure based on cascaded Fabry-Perot interferometer[J]. Laser & Optoelectronics Progress, 58, 1906006(2021).
[17] Li J W, Zhang M, Wan M G et al. Ultrasensitive refractive index sensor based on enhanced Vernier effect through cascaded fiber core-offset pairs[J]. Optics Express, 28, 4145-4155(2020).
[18] Gomes A D, Bartelt H, Frazão O. Optical vernier effect: recent advances and developments[J]. Laser & Photonics Reviews, 15, 2000588(2021).
[19] Zhou C, Zhou Q, Wang B et al. High-sensitivity relative humidity fiber-optic sensor based on an internal-external Fabry-Perot cavity Vernier effect[J]. Optics Express, 29, 11854-11868(2021).
[20] Zhao Y X, Jiang J X, Yang Y Q et al. A sensitivity-enhanced all-fiber-optic liquid refractive index sensor based on vernier effect[J]. Acta Photonica Sinica, 48, 1148022(2019).
[21] Zhang J, Liao H, Lu P et al. Ultrasensitive temperature sensor with cascaded fiber optic Fabry-Perot interferometers based on vernier effect[J]. IEEE Photonics Journal, 10, 6803411(2018).
[22] Qi K Y, Zhang Y D, Sun J F et al. Fiber bending sensor with turning point in a multimode fiber peanut-like structure[J]. IEEE Sensors Journal, 22, 7772-7778(2022).
[23] Sun X T, Gong H P, Xie M Y et al. All-fiber humidity sensor based on Michelson interferometer with hyaluronic acid and polyvinyl alcohol composite film[J]. Optical Fiber Technology, 60, 102381(2020).
[24] Shao M, Sun H N, Liang J J et al. In-fiber Michelson interferometer in photonic crystal fiber for humidity measurement[J]. IEEE Sensors Journal, 21, 1561-1567(2021).
[25] Shao M, Zhang R, Gao H et al. A high-sensitivity low-temperature sensor based on Michelson interferometer in seven-core fiber[J]. IEEE Photonics Technology Letters, 33, 1293-1296(2021).
[26] Shao M, Zhang R, Zhao X et al. Dual-core fiber based in-line Michelson interferometer for humidity sensing[J]. Optical Fiber Technology, 64, 102570(2021).
[27] 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).
[28] Xie L Q, Sun B, Chen M M et al. Sensitivity enhanced temperature sensor with serial tapered two-mode fibers based on the Vernier effect[J]. Optics Express, 28, 32447-32455(2020).
[29] Peng S J. Research on optical fiber structure device based on SMS and its application[D], 38-40(2012).
[30] Zong S Y, Wen X Y, Li M et al. Multiple interference components in a fiber Mach–Zehnder interferometer sensor and their influence on wavelength shift tracing[J]. Measurement Science and Technology, 32, 035118(2021).
[31] Choi H Y, Kim M J, Lee B H. All-fiber Mach-Zehnder type interferometers formed in photonic crystal fiber[J]. Optics Express, 15, 5711-5720(2007).
[32] Yu X J, Bu D, Chen X F et al. Lateral stress sensor based on an in-fiber Mach-Zehnder interferometer and Fourier analysis[J]. IEEE Photonics Journal, 8, 6801710(2016).