[1] MAO J H, JIN W L, HE Y,et al. A novel method of embedding distributed optical fiber sensors for structural health monitoring [J]. Smart Materials and Structures, 2011, 20(12): 125018.
[2] HUA L, SONG Y, HUANG J,et al. Microwave interrogated large core fused silica fiber Michelson interferometer for strain sensing[J]. Applied Optics, 2015, 54(24): 7181-7187.
[3] HUANG Y, ZHOU Z, ZHANG Y N,et al. A temperature self-compensated lpfg sensor for large strain measurements at high temperature[J]. IEEE Transactions on Instrumentation and Measurement, 2010, 59(11): 2997-3004.
[4] SIRKIS J S, BRENNAN D D, PUTMAN M A, et al. In line fiber etalon for strain measurement[J]. Optics Letters, 1993, 18(22): 1973-1975.
[5] LEUNG C K Y, WAN K T, INAUDI D,et al. Review: optical fiber sensors for civil engineering applications[J]. Materials and Structures, 2013, 48(4): 871-906.
[6] ZHANG Y, DING X, SONG Y, et al. Characterization of fiber Bragg grating in pure-silica-core and Ge-doped-core optical fiber under high-temperature strain[J]. Measurement Science and Technology, 2018, 29(3): 035102.
[7] LIAO C R, WANG D N, WANG Y.Microfiber in-line Mach-Zehnder interferometer for strain sensing[J]. Optics Letters, 2013, 38(5): 757-759.
[8] HUANG Z, ZHU Y, CHEN X,et al. Intrinsic Fabry-Pe′rot fiber sensor for temperature and strain measurements[J]. Photonics Technology Letters IEEE, 2005, 17(11): 2403-2405.
[9] ELSMANN T, LORENZ A, YAZD N S,et al. High temperature sensing with fiber Bragg gratings in sapphire-derived all-glass optical fibers[J]. Optics Express, 2014, 22(22): 26825.
[10] WANG Xue-ping, ZHAO Chun-liu, KANG juan, et al. Research progress and development of high-temperature fiber sensors[J]. Optical Communication Technology, 2012, 36(3): 42-44.
[11] CAI Ru-hua, CHEN Li-xia, LU Wen-quan,et al. Study on radiation optical fiber high temperature sensor in industry[J]. Journal of Transducer Technology, 2005, 24(4): 34-36.
[12] KENNEDY J L, DJEU N. Operation of Yb: YAG fiber-optic temperature sensor up to 1600℃[J]. Sensors & Actuators A Physical, 2002, 100(2): 187-191.
[13] HENRY D M, HERRINGER J H, DJEU N. Response of 1.6 μm Er: Y3Al5O12 fiber-optic temperature sensor up to 1520 K[J]. Applied Physics Letters, 1999, 74(23): 3447-3449.
[14] WANG A, GOLLAPUDI S, MURPHY K A, et al. Sapphire-fiber-based intrinsic Fabry-Perot interferometer[J]. Optics Letters, 1992, 17(14): 1021-1023.
[15] WANG A, GOLLAPUDI S, MAY R G, et al. Sapphire optical fiber-based interferometer for high temperature environmental applications[J]. Smart Materials and Structures, 1995, 4(2): 147-151.
[16] DILS R R.High-temperature optical fiber thermometer[J]. Journal of Applied Physics, 1983, 54(3): 1198-1201.
[17] SHOLES R R, SMALL J G .Fluorescent decay thermometer with biological applications[J]. Review of Scientific Instruments, 1980, 51(7): 882-884.
[18] SHEN Y H, WANG Y G, TONG L M, et al. Novel sapphire fiber thermometer using fluorescent decay[J]. Sensors and Actuators A-Physical, 1998, 71(1-2): 70-73.
[19] FEIGLSON H S, KWAY W L, ROUTE R K. Single crystal fibers by The laser-heated pedestal growth method[J]. Infrared Optical Materials & Fibers III, 1985, 484(6): 133-143.
[20] SHEN Y H, TONG L M, WANG Y G, et al. Sapphire-fiber thermometer ranging from 20 to 1800℃[J]. Applied Optics, 1999, 38(7): 1139-1143.
[21] XIAO H, DENG J D, PICKRELL G, et al. Single-crystal sapphire fiber-based strain sensor for high-temperature applications[J]. Journal of Lightwave Technology, 2003, 21(10): 2276-2283.
[22] ZHU Y Z, WANG A B. Surface-mount sapphire interferometric temperature sensor[J]. Applied Optics, 2006, 45(24): 6071-6076.
[23] MIHAILOV S J, GROBNIC D, SMELSER C W.High-temperature multiparameter sensor based on sapphire fiber Bragg gratings[J]. Optics Letters, 2010, 35(16): 2810-2812.
[24] HABISREUTHER T, ELSMANN T, PAN Z W, er al. Sapphire fiber Bragg gratings for high temperature and dynamic temperature diagnostics[J]. Applied Thermal Engineering, 2015, 91: 860-865.
[25] CHEN C, ZHANG X Y, YU Y S, et al. Femtosecond laser-inscribed high-order Bragg gratings in large-diameter sapphire fibers for high-temperature and strain sensing[J]. Journal of Lightwave Technology, 2018, 36(16): 3302-3308.
[26] HUANG J, LAN X, SONG Y, et al. Microwave interrogated sapphire fiber Michelson interferometer for high temperature sensing[J]. IEEE Photonics Technology Letters, 2015, 27(13): 1398-1401.
[27] HILL C, HOMA D, LIU B,et al. Submicron diameter single crystal sapphire optical fiber[J]. Materials Letters, 2015, 138: 71-73.
[28] DRAGIC P, HAWKINS T, FOY P, et al. Sapphire-derived all-glass optical fibres[J]. Nature Photonics, 2012, 6(9): 629-635.
[29] LIU H, PANG F, HONG L, et al. Crystallization-induced refractive index modulation on sapphire-derived fiber for ultrahigh temperature sensing[J]. Optics Express, 2019, 27(5): 6201-6209.
[30] DJEU N, Inc. MicroMaterials[DB/OL]. (2019-09-10). http: //www.micromaterialsinc.com.
[31] NUBLING R K, HARRINGTON J A.Optical properties of single-crystal sapphire fibers[J]. Applied Optics, 1997, 36(24): 5934-5940.
[34] WANG Gao, XU Zhao-yong, ZHOU Han-chang.Transient high temperature measurement based on sapphire fiber sensor and calibration technology[J]. Journal of Optoelectronics Laser, 2005, 16(4): 441-443.
[35] MERBERG G N, HARRINGTON J A. Optical and mechanical properties of single-crystal sapphire optical fibers[J]. Applied Optics, 1993, 32(18): 3201-3209.
[36] HUANG Z Y, PICKRELL G, WANG A B. Penetration rate of water in sapphire and silica optical fibers at elevated temperature and pressure[J]. Optical Engineering, 2004, 43(6): 1272.
[37] HILL C, HOMA D, YU Z,et al. Single mode air-clad single crystal sapphire optical fiber[J]. Applied Sciences-Basel, 2017, 7(5): 473.
[38] KATYBA G M, ZAYTSEV K I, DOLGANOVA I N, et al. Sapphire shaped crystals for waveguiding, sensing and exposure applications[J]. Progress in Crystal Growth and Characterization of Materials, 2018, 64(4): 133-151.
[39] YE Lin-hua, SHEN Yong-hang. Development of a sapphire fiber thermometer[J]. Journal of Infrared and Millimeter Waves, 1997, 16(6): 437-442.
[40] WILSON B A, PETRIE C M, BLUE T E. High temperature effects on the light transmission through sapphire optical fiber[J]. Journal of the American Ceramic Society, 2018, 101(8): 3452-3459.
[41] FENG L P, LIU Z T, LI Q. Strengthening sapphire at elevated temperatures by SiO2 films[J]. Applied Surface Science, 2007, 253(12): 5363-5367.
[42] MURPHY K A, FETH S, VENGSARKAR A M, et al. Sapphire fiber interferometer for microdisplacement measurements at high temperature[C]. SPIE, 1991, 1588: 117-124.
[43] WANG A, GOLLAPUDI S, MURPHY K A, et al. Sapphire-fiber-based intrinsic Fabry-Perot interferometer[J]. Optics Letters, 1992, 17(14): 1021-1023.
[44] ZHU Y Z, HUANG Z Y, SHEN F B, et al. Sapphire-fiber-based white-light interferometric sensor for high-temperature measurements[J]. Optics Letters, 2005, 30(7): 711-713.
[45] TIAN Z P, YU Z H, LIU B, et al. Sourceless optical fiber high temperature sensor[J]. Optics Letters, 2016, 41(2): 195-198.
[46] GOTTLIEB M, BRANDT G B. Fiber-optic temperature sensor based on internally generated thermal radiation[J]. Applied Optics, 1981, 20(19): 3408-3414.
[47] BENNION I, WILLIAMS J A R, ZHANG L,et al. Uv-written in-fibre Bragg gratings[J]. Optical and Quantum Electronics, 1996, 28(2): 93-135.
[48] MIHAILOV S J, GROBNIC D, DING H,et al. Femtosecond IR laser fabrication of Bragg gratings in photonic crystal fibers and tapers[J]. IEEE Photonics Technology Letters, 2006, 18(17): 1837-1839.
[49] CANNING J. Fibre gratings and devices for sensors and lasers[J]. Laser & Photonics Reviews, 2008, 2(4): 275-289.
[50] LIAO Chang-tui, HE Jun,WANG Yi-ping. Study on high temperature sensors based on fiber gratings fabricated by femtosecond laser[J]. Acta Optica Sinica, 2018, 38(3): 0328009.
[51] GROBNIC D, MIHAILOV S J, SMELSER C W, et al. Sapphire fiber Bragg grating sensor made using femtosecond laser radiation for ultrahigh temperature applications[J]. IEEE Photonics Technology Letters, 2004, 16(11): 2505-2507.
[52] MIHAILOV S J, GROBNIC D, SMELSER C W. High-temperature multiparameter sensor based on sapphire fiber Bragg gratings[J]. Optics Letters, 2010, 35(16): 2810-2812.
[53] ELSMANN T, HABISREUTHER T, GRAF A, et al. Inscription of first-order sapphire Bragg gratings using 400 nm femtosecond laser radiation[J]. Optics Express, 2013, 21(4): 4591-4597.
[54] HABISREUTHER T, ELSMANN T, PAN Z W, et al. Sapphire fiber Bragg gratings for high temperature and dynamic temperature diagnostics[J]. Applied Thermal Engineering, 2015, 91: 860-865.
[55] YANG S, HU D, WANG A B.Point-by-point fabrication and characterization of sapphire fiber Bragg gratings[J]. Optics Letters, 2017, 42(20): 4219-4222.
[56] XU X Z, HE J, LIAO C R, et al. Sapphire fiber Bragg gratings inscribed with a femtosecond laser line-by-line scanning technique[J]. Optics Letters, 2018, 43(19): 4562-4565.
[57] BUSCH M, ECKE W, LATKA I, et al. Inscription and characterization of Bragg gratings in single-crystal sapphire optical fibres for high-temperature sensor applications[J]. Measurement Science and Technology, 2009, 20(11): 115301.
[58] HUANG B, SHU X. Ultra-compact strain-and temperature-insensitive torsion sensor based on a line-by-line inscribed phase-shifted FBG[J]. Optics Express, 2016, 24(16): 17670-17679.
[59] HUANG J, LAN X, LUO M,et al. Spatially continuous distributed fiber optic sensing using optical carrier based microwave interferometry[J]. Optics Express, 2014, 22(15): 18757.
[60] HONG L, PANG F, LIU H, et al. Refractive index modulation by crystallization in sapphire-derived fiber[J]. IEEE Photonics Technology Letters, 2017, 29(9): 723-726.
[61] XU J, LIU H H, PANG F F, et al. Cascaded Mach-Zehnder interferometers in crystallized sapphire-derived fiber for temperature-insensitive filters[J]. Optical Materials Express, 2017, 7(4): 1406-1413.
[62] CHEN P F, PANG F f, ZHAO Z W, et al. Fabry-Perot cavity based on sapphire-derived fiber for high temperature sensor[C]. SPIE, 2015, 9634: 96347T.