[1] Schenato L, Pasuto A, Galtarossa A et al. An optical fiber distributed pressure sensing cable with Pa-sensitivity and enhanced spatial resolution[J]. IEEE Sensors Journal, 20, 5900-5908(2020).

[2] Sikarwar S, Satyendra, Singh S et al. Review on pressure sensors for structural health monitoring[J]. Photonic Sensors, 7, 294-304(2017).

[3] Post V E A, von Asmuth J R. Review: hydraulic head measurements:new technologies, classic pitfalls[J]. Hydrogeology Journal, 21, 737-750(2013).

[4] Chen X W, Zhang H X, Jia D G et al. Implementation of distributed polarization maintaining fiber polarization coupling pressure sensing system[J]. Chinese Journal of Lasers, 37, 1467-1472(2010).

[5] Maier R R J, MacPherson W N, Barton J S et al. Distributed sensing using Rayleigh scatter in polarization-maintaining fibres for transverse load sensing[J]. Measurement Science and Technology, 21, 094019(2010).

[6] He Z Y, Hotate K. Distributed fiber-optic stress-location measurement by arbitrary shaping of optical coherence function[J]. Journal of Lightwave Technology, 20, 1715-1723(2002).

[7] Saida T, Hotate K. Distributed fiber-optic stress sensor by synthesis of the optical coherence function[J]. IEEE Photonics Technology Letters, 9, 484-486(1997).

[8] Schenato L, Rong Q Z, Shao Z H et al. Highly sensitive FBG pressure sensor based on a 3D-printed transducer[J]. Journal of Lightwave Technology, 37, 4784-4790(2019).

[9] Liu L H, Zhang H, Zhao Q D et al. Temperature-independent FBG pressure sensor with high sensitivity[J]. Optical Fiber Technology, 13, 78-80(2007).

[10] Abeysinghe D C, Dasgupta S, Boyd J T et al. A novel MEMS pressure sensor fabricated on an optical fiber[J]. IEEE Photonics Technology Letters, 13, 993-995(2001).

[11] Wang H P. Influence of interfacial effect between distributed optical fiber sensors and monitored structures[J]. Acta Optica Sinica, 42, 0206004(2022).

[12] He J, Xu X Z, He J et al. Research progress and development trend of sapphire fiber grating high temperature sensor[J]. Infrared and Laser Engineering, 51, 20220700(2022).

[13] Yin L X, Liu Z C, Liu C H. Surface structure state perception system based on FBG array[J]. Chinese Journal of Lasers, 48, 2406001(2021).

[14] Yang G Y, Fan X Y, Wang B et al. Enhancing strain dynamic range of slope-assisted BOTDA by manipulating Brillouin gain spectrum shape[J]. Optics Express, 26, 32599-32607(2018).

[15] Fu G W, Cao J Q, Li W L et al. A novel positioning and temperature measurement method based on optical domain demodulation in the BOTDR system[J]. Optics Communications, 480, 126490(2021).

[16] Muanenda Y S, Taki M, Nannipieri T et al. Advanced coding techniques for long-range raman/BOTDA distributed strain and temperature measurements[J]. Journal of Lightwave Technology, 34, 342-350(2016).

[17] Wang F, Zhang X P, Wang X C et al. Distributed fiber strain and vibration sensor based on Brillouin optical time-domain reflectometry and polarization optical time-domain reflectometry[J]. Optics Letters, 38, 2437-2439(2013).

[18] Wang Y, Xiao D, Niu Y Y et al. Structural deformation of fiber optic hydrophone probe based on optical frequency domain reflectometry[J]. Acta Optica Sinica, 43, 0528001(2023).

[19] Fu C L, Peng Z W, Li P F et al. Research on distributed fiber temperature/strain/shape sensing based on OFDR[J]. Laser & Optoelectronics Progress, 60, 1106007(2023).

[20] Ding Z Y, Wang C H, Liu K et al. Distributed optical fiber sensors based on optical frequency domain reflectometry: a review[J]. Sensors, 18, 1072(2018).

[21] Feng T, Shang Y L, Wang X C et al. Distributed polarization analysis with binary polarization rotators for the accurate measurement of distance-resolved birefringence along a single-mode fiber[J]. Optics Express, 26, 25989-26002(2018).

[22] Oberson P, Huttner B, Guinnard O et al. Optical frequency domain reflectometry with a narrow linewidth fiber laser[J]. IEEE Photonics Technology Letters, 12, 867-869(2000).

[23] Méndez A, Diatzikis E. Fiber optic distributed pressure sensor based on Brillouin scattering[C], ThE46(2006).

[24] Le Floch S, Cambon P. Study of Brillouin gain spectrum in standard single-mode optical fiber at low temperatures (1.4-370 K) and high hydrostatic pressures (1-250 bars)[J]. Optics Communications, 219, 395-410(2003).

[25] Gu H D, Dong H J, Zhang G Y et al. Dependence of Brillouin frequency shift on radial and axial strain in silica optical fibers[J]. Applied Optics, 51, 7864-7868(2012).

[26] Mizuno Y, Lee H, Hayashi N et al. Hydrostatic pressure dependence of Brillouin frequency shift in polymer optical fibers[J]. Applied Physics Express, 11, 012502(2018).

[27] Rogers A J. Polarisation optical time domain reflectometry[J]. Electronics Letters, 16, 489-490(1980).

[28] Rogers A J. Polarization-optical time domain reflectometry: a technique for the measurement of field distributions[J]. Applied Optics, 20, 1060-1074(1981).

[29] Rogers A J, Shatalin S V, Kanellopoulos S E. Distributed measurement of fluid pressure via optical-fibre backscatter polarimetry[J]. Proceedings of SPIE, 5855, 230-233(2005).

[30] Dai Z Y, Zhang X X, Peng Z S et al. Distributed fiber optic stress sensor system based on P-OFDR[J]. Proceedings of SPIE, 7659, 765914(2010).

[31] Chen T, Wang Q Q, Chen R Z et al. Distributed high-temperature pressure sensing using air-hole microstructural fibers[J]. Optics Letters, 37, 1064-1066(2012).

[32] Gerosa R M, Osório J H, Lopez-Cortes D et al. Embedded-core optical fiber for distributed pressure measurement using an autocorrelation OFDR technique[C], SF3L.2(2019).

[33] Teng L, Zhang H Y, Dong Y K et al. Temperature-compensated distributed hydrostatic pressure sensor with a thin-diameter polarization-maintaining photonic crystal fiber based on Brillouin dynamic gratings[J]. Optics Letters, 41, 4413-4416(2016).

[34] Galtarossa A, Grosso D, Palmieri L et al. Spin-profile characterization in randomly birefringent spun fibers by means of frequency-domain reflectometry[J]. Optics Letters, 34, 1078-1080(2009).

[35] Ding Z Y, Wang C H, Liu K et al. Distributed measurements of external force induced local birefringence in spun highly birefringent optical fibers using polarimetric OFDR[J]. Optics Express, 27, 951-964(2019).

[36] Palmieri L, Galtarossa A, Geisler T. Distributed characterization of bending effects on the birefringence of single-mode optical fibers[J]. Optics Letters, 35, 2481-2483(2010).

[37] Wei C J, Chen H X, Chen X J et al. Distributed transverse stress measurement along an optic fiber using polarimetric OFDR[J]. Optics Letters, 41, 2819-2822(2016).

[38] Tsubokawa M, Higashi T, Negishi Y. Mode couplings due to external forces distributed along a polarization-maintaining fiber: an evaluation[J]. Applied Optics, 27, 166-173(1988).

[39] Song D Y, Wang Z Y, Chen X W et al. Influence of ghost coupling points on distributed polarization crosstalk measurements in high birefringence fiber and its solution[J]. Applied Optics, 54, 1918-1925(2015).

[40] Zhang Z H, Feng T, Zhou J N et al. Demonstration of a polarization maintaining fiber tape for simultaneous transverse-force and temperature sensing based on distributed polarization crosstalk analysis[J]. Proceedings of SPIE, 11554, 1155411(2020).

[41] Su H X, Zhao Z W, Feng T et al. Demonstration of distributed fiber-optic temperature sensing with PM fiber using polarization crosstalk analysis technique[J]. Proceedings of SPIE, 10025, 100251F(2016).

[42] Yu Z J, Yang J, Lin C F et al. Distributed polarization measurement for fiber sensing coils: a review[J]. Journal of Lightwave Technology, 39, 3699-3710(2021).

[43] Yang J, Yu Z J, Yuan L B. Characterization of distributed polarization-mode coupling for fiber coils[M]. Peng G D. Handbook of optical fibers, 1-40(2018).

[44] Li Z Z, Li Z H, Yao X T et al. Research on influence of polarization crosstalk on the zero drift and random walk of fiber optic gyroscope[J]. Acta Optica Sinica, 34, 1206001(2014).

[45] Ding Z Y, Yao X T, Liu T G et al. Improving the quality of polarization-maintaining fiber coils using distributed polarization crosstalk testing[J]. Journal of Optoelectronics·Laser, 21, 430-434(2010).

[46] Xu T H, Tang F, Jing W C et al. Distributed measurement of mode coupling in birefringent fibers with random polarization modes[J]. Optica Applicata, 39, 77-90(2009).

[47] Yao X S, Chen X J. Distributed polarization analysis and its applications[M]. Polarization measurement and control in optical fiber communication and sensor systems, 409-479(2022).

[48] Feng T, Zhou J N, Shang Y L et al. Distributed transverse-force sensing along a single-mode fiber using polarization-analyzing OFDR[J]. Optics Express, 28, 31253-31271(2020).

[49] Bertholds A, Dandliker R. Determination of the individual strain-optic coefficients in single-mode optical fibres[J]. Journal of Lightwave Technology, 6, 17-20(1988).

[50] Feng T, Ding D L, Li Z H et al. First quantitative determination of birefringence variations induced by axial-strain in polarization maintaining fibers[J]. Journal of Lightwave Technology, 35, 4937-4942(2017).

[51] Li Z H, Yao X S, Chen X J et al. Complete characterization of polarization-maintaining fibers using distributed polarization analysis[J]. Journal of Lightwave Technology, 33, 372-380(2015).

[52] Tang F, Wang X Z, Zhang Y M et al. Characterization of birefringence dispersion in polarization-maintaining fibers by use of white-light interferometry[J]. Applied Optics, 46, 4073-4080(2007).

[53] Tang F, Wang X Z, Zhang Y M et al. Distributed measurement of birefringence dispersion in polarization-maintaining fibers[J]. Optics Letters, 31, 3411-3413(2006).

[54] Chen X J, Yao X S. Measuring distributed polarization crosstalk in polarization maintaining fiber and optical birefringent material[P].

[55] Zhang Z H, Feng T, Li Z H et al. Experimental study of transversal-stress-induced polarization crosstalk behaviors in polarization maintaining fibers[J]. Proceedings of SPIE, 11191, 111910W(2019).

[56] Yan J T, Miao L J, Huang T C et al. Development of method for polarization alignment of PANDA polarization maintaining fiber[J]. Optical Fiber Technology, 53, 101999(2019).

[57] Hao P, Yu C, Feng T et al. PM fiber based sensing tapes with automated 45° birefringence axis alignment for distributed force/pressure sensing[J]. Optics Express, 28, 18829-18842(2020).

[58] Hotate K, Leng S O S. Transversal force sensor using polarization-maintaining fiber independent of direction of applied force: proposal and experiment[C], 363-366(2002).

[59] Xu Z X, Yao X S, Ding Z Y et al. Accurate measurements of circular and residual linear birefringences of spun fibers using binary polarization rotators[J]. Optics Express, 25, 30780-30792(2017).

[60] Peng N, Huang Y, Wang S B et al. Fiber optic current sensor based on special spun highly birefringent fiber[J]. IEEE Photonics Technology Letters, 25, 1668-1671(2013).

[61] Dong X P, Chu B C B, Kong K H et al. Phase drift compensation for electric current sensor employing a twisted fiber or a spun highly birefringent fiber[J]. IEEE Journal of Selected Topics in Quantum Electronics, 6, 803-809(2000).

[62] Costa L, Magalhães R, Palmieri L et al. Fast and direct measurement of the linear birefringence profile in standard single-mode optical fibers[J]. Optics Letters, 45, 623-626(2020).

[63] Pastor-Graells J, Martins H F, Garcia-Ruiz A et al. Single-shot distributed temperature and strain tracking using direct detection phase-sensitive OTDR with chirped pulses[J]. Optics Express, 24, 13121-13133(2016).

[64] Soto M A, Lu X, Martins H F et al. Distributed phase birefringence measurements based on polarization correlation in phase-sensitive optical time-domain reflectometers[J]. Optics Express, 23, 24923-24936(2015).

[65] Lu Y G, Bao X Y, Chen L et al. Distributed birefringence measurement with beat period detection of homodyne Brillouin optical time-domain reflectometry[J]. Optics Letters, 37, 3936-3938(2012).

[66] Galtarossa A, Palmieri L. Spatially resolved PMD measurements[J]. Journal of Lightwave Technology, 22, 1103-1115(2004).

[67] Ross J N. Birefringence measurement in optical fibers by polarization-optical time-domain reflectometry[J]. Applied Optics, 21, 3489-3495(1982).

[68] Wang L T, Iiyama K, Tsukada F et al. Loss measurement in optical waveguide devices by coherent frequency-modulated continuous-wave reflectometry[J]. Optics Letters, 18, 1095-1097(1993).

[69] Venkatesh S, Sorin W V. Phase noise considerations in coherent optical FMCW reflectometry[J]. Journal of Lightwave Technology, 11, 1694-1700(1993).

[70] Ulrich R, Rashleigh S C, Eickhoff W. Bending-induced birefringence in single-mode fibers[J]. Optics Letters, 5, 273-275(1980).

[71] Yao X S, Chen X J, Liu T G. High accuracy polarization measurements using binary polarization rotators[J]. Optics Express, 18, 6667-6685(2010).

[72] Smith A M. Single-mode fibre pressure sensitivity[J]. Electronics Letters, 16, 773-774(1980).

[73] Sparrow C M. On spectroscopic resolving power[J]. The Astrophysical Journal Letters, 44, 76-86(1916).

[74] Feng T, Miao T T, Lu Z Y et al. Clamping-force induced birefringence in a single-mode fiber in commercial V-grooves investigated with distributed polarization analysis[J]. Optics Express, 30, 5347-5359(2022).

[75] Suzuki K, Konoike R, Hasegawa J et al. Low-insertion-loss and power-efficient 32×32 silicon photonics switch with extremely high-Δ silica PLC connector[J]. Journal of Lightwave Technology, 37, 116-122(2018).

[76] Son G, Han S, Park J et al. High-efficiency broadband light coupling between optical fibers and photonic integrated circuits[J]. Nanophotonics, 7, 1845-1864(2018).

[77] Kumar A, Ulrich R. Birefringence of optical fiber pressed into a V groove[J]. Optics Letters, 6, 644-646(1981).