Temperature-insensitive sensor for glucose brix measurement based on compact spindle-shaped structure with two-mode fiber

Miaoyun DONG; Zhengrong TONG; Weihua ZHANG; Peng LI; Meng WU; Xue and TIAN

doi:10.1007/s11801-022-2106-6

[1] LEI X Q, XU Y C, YU Y T, et al. Fiber in-line magnetic field sensor based on Mach-Zehnder interferometer integrated with magnetic fluid[J]. Optoelectronics letters, 2019, 15(1):43-47.

[2] JIANG Y, WANG T, LIU C, et al. Simultaneous measurement of refractive index and temperature with high sensitivity based on a multipath fiber Mach-Zehnder interferometer[J]. Applied optics, 2019, 58(15): 4085-4090.

[3] LV R, LI J, HU H, et al. Miniature refractive index fiber sensor based on silica micro-tube and Au micro-sphere[J]. Optical materials, 2017, 72:661-665.

[4] JIA C G, JIA B, HUANG T, et al. High sensitivity relative humidity sensor based on SMTF structure coated with gelatin[J]. Microwave and optical technology letters, 2020, 62(11):3432-3437.

[5] WANG W, TAO C Y, GU Z D, et al. Sagnac fiber interferometer with the population grating for fiber Bragg grating dynamic strain sensing[J]. Optoelectronics letters, 2021, 17(12):723-728.

[6] LIU Y, LI Y, YAN X, et al. High refractive index liquid level measurement via coreless multimode fiber[J]. IEEE photonics technology letters, 2015, 27(20): 2111-2114.

[7] LIU X, ZHAO Y, LV R Q, et al. High sensitivity balloon-like interferometer for refractive index and temperature measurement[J]. IEEE photonics technology letters, 2016, 28(13):1485-1488.

[8] ZHAO J, ZHAO Y, LV R Q, et al. Simultaneous measurement of temperature and pressure based on ring-shaped sensing structure with polymer coated no-core fiber[J]. IEEE sensors journal, 2021, 21(20): 22783-22791.

[9] ZHANG X, PENG W. Fiber optic refractometer based on leaky-mode interference of bent fiber[J]. IEEE photonics technology letters, 2015, 27(1):11-14.

[10] DONG J, SANG M, WANG S, et al. Ultrasensitive label-free biosensor based on the graphene- oxide-coated-U-bent long-period fiber grating inscribed in a two-mode fiber[J]. Journal of lightwave technology, 2020, 39(12):4013-4019.

[11] TIAN K, FARRELL G, YANG W, et al. Simultaneous measurement of displacement and temperature based on a balloon-shaped bent SMF structure incorporating an LPG[J]. Journal of lightwave technology, 2018, 36(20): 4960-4966.

[12] TIAN K, FARRELL G, WANG X, et al. Highly sensitive displacement sensor based on composite interference established within a balloon-shaped bent multimode fiber structure[J]. Applied optics, 2018, 57(32): 9662-9668.

[13] LIU X, ZHAO Y, LV R Q, et al. Enhancement of RI sensitivity through bending a tapered-SMF-based balloon-like interferometer[J]. Journal of lightwave technology, 2016, 34(14):3293-3299.

[14] LOKMAN A, AROF H, HARUN S W. Dumbbell shaped inline Mach-Zehnder interferometer for glucose detection[J]. Measurement, 2015, 59:167-170.

[15] JIANG B Q, ZHANG K M, WANG C L, et al. Label-free glucose biosensor based on enzymatic graphene oxide-functionalized tilted fiber grating[J]. Sensors and actuators B, 2018, 254:1033-1039.

[16] WANG F, WANG R, WANG X, et al. Three-core fiber cascade asymmetric dual-taper robust structure for the simultaneous measurement of a mass concentration of a glucose solution and temperature[J]. Optics communications, 2020, 461:125227.

[17] SCHERMER R T, COLE J H. Improved bend loss formula verified for optical fiber by simulation and experiment[J]. IEEE journal of quantum electronics, 2007, 43(10):899-909.

[18] HARRIS J, LU P, XU Y, et al. Highly sensitive in-fiber interferometric refractometer with temperature and axial strain compensation[J]. Optics express, 2013, 21: 9996-10009.