[1] Turner A P F. Biosensors: sense and sensibility[J]. Chemical Society Reviews, 42, 3184-3196(2013).

[2] Zhao Y, Hu X G, Hu S et al. Applications of fiber-optic biochemical sensor in microfluidic chips: a review[J]. Biosensors and Bioelectronics, 166, 112447(2020).

[3] Li L K, Zhang Y N, Zhou Y F et al. Optical fiber optofluidic bio-chemical sensors: a review[J]. Laser & Photonics Reviews, 15, 2000526(2021).

[4] Kimmel D W, LeBlanc G, Meschievitz M E et al. Electrochemical sensors and biosensors[J]. Analytical Chemistry, 84, 685-707(2012).

[5] Chen Y X, Ji W H, Yan K et al. Fuel cell-based self-powered electrochemical sensors for biochemical detection[J]. Nano Energy, 61, 173-193(2019).

[6] Pluth M D, Tomat E, Lippard S J. Biochemistry of mobile zinc and nitric oxide revealed by fluorescent sensors[J]. Annual Review of Biochemistry, 80, 333-355(2011).

[7] Alvarez A, Costa-Fernández J M, Pereiro R et al. Fluorescent conjugated polymers for chemical and biochemical sensing[J]. TrAC Trends in Analytical Chemistry, 30, 1513-1525(2011).

[8] Wang X D, Wolfbeis O S. Fiber-optic chemical sensors and biosensors (2013—2015)[J]. Analytical Chemistry, 88, 203-227(2016).

[9] Wang X D, Wolfbeis O S. Fiber-optic chemical sensors and biosensors (2015—2019)[J]. Analytical Chemistry, 92, 397-430(2020).

[10] Loyez M, DeRosa M C, Caucheteur C et al. Overview and emerging trends in optical fiber aptasensing[J]. Biosensors and Bioelectronics, 196, 113694(2022).

[11] Ashry I, Mao Y, Wang B W et al. A review of distributed fiber-optic sensing in the oil and gas industry[J]. Journal of Lightwave Technology, 40, 1407-1431(2022).

[12] Li X G, Chen N, Zhou X et al. In-situ DNA detection with an interferometric-type optical sensor based on tapered exposed core microstructured optical fiber[J]. Sensors and Actuators B: Chemical, 351, 130942(2022).

[13] Zhou C, Sun C J, Luo Z W et al. Fiber optic biosensor for detection of genetically modified food based on catalytic hairpin assembly reaction and nanocomposites assisted signal amplification[J]. Sensors and Actuators B: Chemical, 254, 956-965(2018).

[14] Atias D, Liebes Y, Chalifa-Caspi V et al. Chemiluminescent optical fiber immunosensor for the detection of IgM antibody to dengue virus in humans[J]. Sensors and Actuators B: Chemical, 140, 206-215(2009).

[15] Li X K, Zhang Y L, Xue B et al. A SERS nano-tag-based fiber-optic strategy for in situ immunoassay in unprocessed whole blood[J]. Biosensors and Bioelectronics, 92, 517-522(2017).

[16] Lepinay S, Staff A, Ianoul A et al. Improved detection limits of protein optical fiber biosensors coated with gold nanoparticles[J]. Biosensors and Bioelectronics, 52, 337-344(2014).

[17] Vollmer F, Arnold S, Keng D. Single virus detection from the reactive shift of a whispering-gallery mode[J]. Proceedings of the National Academy of Sciences of the United States of America, 105, 20701-20704(2008).

[18] Qu J H, Dillen A, Saeys W et al. Advancements in SPR biosensing technology: an overview of recent trends in smart layers design, multiplexing concepts, continuous monitoring and in vivo sensing[J]. Analytica Chimica Acta, 1104, 10-27(2020).

[19] Du C, Wang Q Y, Zhao S et al. Biological sensors based on long period fiber grating[J]. Optics & Laser Technology, 158, 108936(2023).

[20] Riza M A, Go Y I, Harun S W et al. FBG sensors for environmental and biochemical applications: a review[J]. IEEE Sensors Journal, 20, 7614-7627(2020).

[21] Ramirez J C, Grajales García D, Maldonado J et al. Current trends in photonic biosensors: advances towards multiplexed integration[J]. Chemosensors, 10, 398(2022).

[22] Dakin J P. Multiplexed and distributed optical fibre sensor systems[J]. Journal of Physics E: Scientific Instruments, 20, 954-967(1987).

[23] Masoudi A, Newson T P. High spatial resolution distributed optical fiber dynamic strain sensor with enhanced frequency and strain resolution[J]. Optics Letters, 42, 290-293(2017).

[24] Marcon L, Galtarossa A, Palmieri L. High-frequency high-resolution distributed acoustic sensing by optical frequency domain reflectometry[J]. Optics Express, 27, 13923-13933(2019).

[25] Dong Y K, Chen X, Liu E H et al. Quantitative measurement of dynamic nanostrain based on a phase-sensitive optical time domain reflectometer[J]. Applied Optics, 55, 7810-7815(2016).

[26] Bao X Y, Chen L. Recent progress in distributed fiber optic sensors[J]. Sensors, 12, 8601-8639(2012).

[27] Lu X, Soto M A, Thévenaz L. Temperature-strain discrimination in distributed optical fiber sensing using phase-sensitive optical time-domain reflectometry[J]. Optics Express, 25, 16059-16071(2017).

[28] Li X G, Chen N, Zhou X et al. A review of specialty fiber biosensors based on interferometer configuration[J]. Journal of Biophotonics, 14, e202100068(2021).

[29] Aray A, Chiavaioli F, Arjmand M et al. SPR-based plastic optical fibre biosensor for the detection of C-reactive protein in serum[J]. Journal of Biophotonics, 9, 1077-1084(2016).

[30] Sutapun B, Tabib-Azar M, Kazemi A. Pd-coated elastooptic fiber optic Bragg grating sensors for multiplexed hydrogen sensing[J]. Sensors and Actuators B: Chemical, 60, 27-34(1999).

[31] Ho H L, Jin W, Yu H B et al. Experimental demonstration of a fiber-optic gas sensor network addressed by FMCW[J]. IEEE Photonics Technology Letters, 12, 1546-1548(2000).

[32] Zhang Y, Zhang M, Jin W. Multi-point, fiber-optic gas detection with intra-cavity spectroscopy[J]. Optics Communications, 220, 361-364(2003).

[33] Kazemi A A, Goepp J W, Larson D B et al. Fiber optic microsensor hydrogen leak detection system on Aerospike X-33[J]. Proceedings of SPIE, 6758, 675807(2007).

[34] Ye F, Qian L, Qi B. Multipoint chemical gas sensing using frequency-shifted interferometry[J]. Journal of Lightwave Technology, 27, 5356-5364(2009).

[35] Lu M F, Nonaka K, Kobayashi H et al. Quasi-distributed region selectable gas sensing for long distance pipeline maintenance[J]. Measurement Science and Technology, 24, 095104(2013).

[36] Shemshad J. Design of a fibre optic sequential multipoint sensor for methane detection using a single tunable diode laser near 1666 nm[J]. Sensors and Actuators B: Chemical, 186, 466-477(2013).

[37] Zhang H W, Duan L C, Shi W et al. Dual-point automatic switching intracavity-absorption photonic crystal fiber gas sensor based on mode competition[J]. Sensors and Actuators B: Chemical, 247, 124-128(2017).

[38] Lou X T, Feng Y B, Chen C et al. Multi-point spectroscopic gas sensing based on coherent FMCW interferometry[J]. Optics Express, 28, 9014-9026(2020).

[39] Lou X T, Wang Y E, Dong Y K. Multipoint dispersion spectroscopic gas sensing by optical FMCW interferometry[J]. Optics Letters, 46, 5950-5953(2021).

[40] Duan L C, Liu W L, Hu Z X et al. Intra-cavity absorption gas sensing network based on hybrid DWDM and TDM[J]. Proceedings of SPIE, 12065, 120653S(2021).

[41] Yang J H, Dong X P. Multipoint gas detection based on photothermal effect and wavelength-division multiplexing (WDM) interferometer[J]. IEEE Sensors Journal, 22, 19879-19885(2022).

[42] Ricciardi A, Crescitelli A, Vaiano P et al. Lab-on-fiber technology: a new vision for chemical and biological sensing[J]. Analyst, 140, 8068-8079(2015).

[43] Yun S H, Kwok S J J. Light in diagnosis, therapy and surgery[J]. Nature Biomedical Engineering, 1, 8(2017).

[44] Yin M J, Gu B B, An Q F et al. Recent development of fiber-optic chemical sensors and biosensors: mechanisms, materials, micro/nano-fabrications and applications[J]. Coordination Chemistry Reviews, 376, 348-392(2018).

[45] Špačková B, Piliarik M, Kvasnička P et al. Novel concept of multi-channel fiber optic surface plasmon resonance sensor[J]. Sensors and Actuators B: Chemical, 139, 199-203(2009).

[46] Liu L, Gong Y, Wu Y et al. Spatial frequency multiplexing of fiber-optic interferometric refractive index sensors based on graded-index multimode fibers[J]. Sensors, 12, 12377-12385(2012).

[47] Yuan J Y, Zhao C L, Ye M P et al. A Fresnel reflection-based optical fiber sensor system for remote refractive index measurement using an OTDR[J]. Photonic Sensors, 4, 48-52(2014).

[48] Baiad M D, Kashyap R. Concatenation of surface plasmon resonance sensors in a single optical fiber using tilted fiber Bragg gratings[J]. Optics Letters, 40, 115-118(2014).

[49] Liu Z H, Wei Y, Zhang Y et al. Distributed fiber surface plasmon resonance sensor based on the incident angle adjusting method[J]. Optics Letters, 40, 4452-4455(2015).

[50] Liu Z H, Wei Y, Zhang Y et al. A multi-channel fiber SPR sensor based on TDM technology[J]. Sensors and Actuators B: Chemical, 226, 326-331(2016).

[51] Xiang Y, Luo Y Y, Li Y P et al. Quasi-distributed dual-parameter optical fiber sensor based on cascaded microfiber Fabry-Perot interferometers[J]. IEEE Photonics Journal, 10, 2400309(2018).

[52] Zhu Z D, Yang S H, Dong Y K. Multiplexing of fiber Fabry-Perot interferometer for multi-point refractive index sensing application[J]. Proceedings of SPIE, 11850, 118500E(2021).

[53] Liu L, Liu Z H, Zhang Y et al. Multi-channel optical fiber surface plasmon resonance sensor with narrow FWHM, high figure of merit, and wide detection range[J]. Plasmonics, 17, 2235-2244(2022).

[54] Minardo A, Zeni L, Bernini R et al. Quasi-distributed refractive index sensing by stimulated Brillouin scattering in tapered optical fibers[J]. Journal of Lightwave Technology, 40, 2619-2624(2022).

[55] Zhu C, Huang J. Multiplexed optical fiber tip refractive index sensor interrogated by microwave photonics[J]. Optics and Lasers in Engineering, 163, 107477(2023).

[56] Campbell M, Yang Y T, Wallace P A et al. A multipoint quasi-distributed optical fiber pH sensor[J]. Optical Review, 4, A111-A113(1997).

[57] King K D, Vanniere J M, LeBlanc J L et al. Automated fiber optic biosensor for multiplexed immunoassays[J]. Environmental Science & Technology, 34, 2845-2850(2000).

[58] Buerck J, Roth S, Kraemer K et al. OTDR distributed sensing of liquid hydrocarbons using polymer-clad optical fibers[C], 496-509(2001).

[59] Vollmer F, Arnold S, Braun D et al. Multiplexed DNA quantification by spectroscopic shift of two microsphere cavities[J]. Biophysical Journal, 85, 1974-1979(2003).

[60] Yi Z J, Zhong Z, Reardon K F et al. A multichannel fiber optic photoluminescence system for multiplex biosensor arrays[J]. Proceedings of SPIE, 7559, 75590T(2010).

[61] Cho T S, Choi K S, Seo D C et al. Novel fiber optic sensor probe with a pair of highly reflected connectors and a vessel of water absorption material for water leak detection[J]. Sensors, 12, 10906-10919(2012).

[62] Sciacca B, François A, Hoffmann P et al. Multiplexing of radiative-surface plasmon resonance for the detection of gastric cancer biomarkers in a single optical fiber[J]. Sensors and Actuators B: Chemical, 183, 454-458(2013).

[63] Sypabekova M, Aitkulov A, Blanc W et al. Reflector-less nanoparticles doped optical fiber biosensor for the detection of proteins: case thrombin[J]. Biosensors and Bioelectronics, 165, 112365(2020).

[64] Shaimerdenova M, Ayupova T, Ashikbayeva Z et al. Reflector-less shallow-tapered optical fiber biosensors for rapid detection of cancer biomarkers[J]. Journal of Lightwave Technology, 41, 4114-4122(2023).

[65] Shaimerdenova M, Ayupova T, Bekmurzayeva A et al. Spatial-division multiplexing approach for simultaneous detection of fiber-optic ball resonator sensors: applications for refractometers and biosensors[J]. Biosensors, 12, 1007(2022).

[66] Kuzhandai Shamlee J, Swamy V V L, Rajamani A S et al. A U-bent fiberoptic absorbance biosensor array (ArFAB) for multiplexed analyte detection[J]. Biosensors and Bioelectronics: X, 12, 100271(2022).

[67] Sumida S, Okazaki S, Asakura S et al. Distributed hydrogen determination with fiber-optic sensor[J]. Sensors and Actuators B: Chemical, 108, 508-514(2005).

[68] Wang D Y, Wang Y M, Gong J M et al. Fully distributed fiber-optic hydrogen sensing using acoustically induced long-period grating[J]. IEEE Photonics Technology Letters, 23, 733-735(2011).

[69] Eich S, Schmälzlin E, Löhmannsröben H G. Distributed fiber optical sensing of oxygen with optical time domain reflectometry[J]. Sensors, 13, 7170-7183(2013).

[70] Lou X T, Chen C, Feng Y B et al. Simultaneous measurement of gas absorption spectra and optical path lengths in a multipass cell by FMCW interferometry[J]. Optics Letters, 43, 2872-2875(2018).

[71] Yang F, Zhao Y, Qi Y et al. Label-free distributed hydrogen sensing with stimulated Raman scattering in hollow-core fibers[C], TuE4(2018).

[72] Yang J H, Lin H X, He A H et al. Cascaded high-density multipoint gas detection with branched gas chambers[J]. Measurement, 205, 112233(2022).

[73] Du Y, Jothibasu S, Zhuang Y Y et al. Rayleigh backscattering based macrobending single mode fiber for distributed refractive index sensing[J]. Sensors and Actuators B: Chemical, 248, 346-350(2017).

[74] Ding Z Y, Sun K L, Liu K et al. Distributed refractive index sensing based on tapered fibers in optical frequency domain reflectometry[J]. Optics Express, 26, 13042-13054(2018).

[75] Sypabekova M, Korganbayev S, Blanc W et al. Fiber optic refractive index sensors through spectral detection of Rayleigh backscattering in a chemically etched MgO-based nanoparticle-doped fiber[J]. Optics Letters, 43, 5945-5948(2018).

[76] Zhu Z D, Ba D X, Liu L et al. Temperature-compensated distributed refractive index sensor based on an etched multi-core fiber in optical frequency domain reflectometry[J]. Optics Letters, 46, 4308-4311(2021).

[77] Xu P B, Yu X F, Chen Z J et al. Distributed refractive index sensing based on bending-induced multimodal interference and Rayleigh backscattering spectrum[J]. Optics Express, 29, 21530-21538(2021).

[78] Fu C L, Sui R L, Peng Z W et al. Distributed refractive index sensing based on etched Ge-doped SMF in optical frequency domain reflectometry[J]. Sensors, 23, 4361(2023).

[79] Wright R F, Badar M, Egbu J C et al. Fully distributed optical fiber sensor for water and humidity monitoring[J]. Proceedings of SPIE, 11000, 1100007(2019).

[80] Wang D Y, Wang Y M, Han M et al. Fully distributed fiber-optic biological sensing[J]. IEEE Photonics Technology Letters, 22, 1553-1555(2010).

[81] Wallace P A, Campbell M, Yang Y et al. A distributed optical fibre fluorosensor for pH measurement[J]. Journal of Luminescence, 72/73/74, 1017-1019(1997).

[82] Lu F, Lu P, Badar M et al. Distributed fiber optic chemical sensor with a temperature compensation mechanism[J]. Proceedings of SPIE, 11500, 115000N(2020).

[83] Lu F, Wright R, Lu P et al. Distributed fiber optic pH sensors using sol-gel silica based sensitive materials[J]. Sensors and Actuators B: Chemical, 340, 129853(2021).

[84] Yin G L, Xiao H, Zhou H et al. Distributed pH sensing based on hydrogel coated single mode fibers and optical frequency domain reflectometry[J]. Optics Express, 30, 42801-42809(2022).

[85] Hua P D, Ding Z Y, Liu K et al. Distributed optical fiber biosensor based on optical frequency domain reflectometry[J]. Biosensors and Bioelectronics, 228, 115184(2023).