| [1] | VILLAR I D, MATIAS I R, ARREGUI F J. Enhancement of sensitivity in long-period fiber gratings with deposition of low-refrac- tive-index materials[J]. Optics Letters, 2005, 30(18): 23632365. |
| [2] | BHATIA V, VENGSARKAR A M. Optical fiber long-period grating sensors[J]. Optics Letters, 1996, 21(9): 692-694. |
| [3] | KAPOOR A, SHARMA E K. Long period grating refractive-index sensor: optimal design for single wavelength interrogation[J]. Applied Optics, 2009, 48(31): G88-G94. |
| [4] | LIANG W, HUANG Y, XU Y, et al. Highly sensitive fiber Bragg grating refractive index sensors[J]. Applied Physics Letters, 2005, 86(15): 151122. |
| [5] | RAN Y, JIN L, SUN L P, et al. Bragg gratings in rectangular microfiber for temperature independent refractive index sensing[J]. Optics Letters, 2012, 37(13): 2649-2651. |
| [6] | HOMOLA J, YEE S S, GAUGLITZ G. Surface plasmon resonance sensors: review[J]. Sensors and Actuators B: Chemical, 1999, 54(1): 3-15. |
| [7] | WEI T, HAN Y, LI Y, et al. Temperature-insensitive miniaturized fiber inline Fabry-P閞ot interferometer for highly sensitive refractive index measurement[J]. Optics Express, 2008, 16(8): 5764-5769. |
| [8] | RAN Z L, RAO Y J, LIU W J, et al. Laser-micromachined Fabry-P閞ot optical fiber tip sensor for high-resolution temperature-independent measurement of refractive index[J]. Optics Express, 2008, 16(3): 2252-2263. |
| [9] | RAN Z, RAO Y, ZHANG J, et al. A miniature fiber-optic refractive-index sensor based on laser-machined Fabry-P閞ot interferometer tip[J]. Journal of Lightwave Technology, 2009, 27(23): 5426-5429. |
| [10] | CHOI H Y, MUDHANA G, PARK K S, et al. Cross-talk free and ultra-compact fiber optic sensor for simultaneous measurement of temperature and refractive index[J]. Optics Express, 2010, 18(1): 141-149. |
| [11] | NGUYEN L V, VASILIEV M, ALAMEH K. Three-wave fiber Fabry-P閞ot interferometer for simultaneous measurement of temperature and water salinity of seawater[J]. Photonics Technology Letters, 2011, 23(7): 450-452. |
| [12] | LIAO C, HU T Y, WANG D. Optical fiber Fabry-P閞ot interferometer cavity fabricated by femtosecond laser micromachining and fusion splicing for refractive index sensing[J]. Optics Express,2012, 20(20):22813-22818. |
| [13] | QUAN X, FRY E S. Empirical equation for the index of refraction of seawater[J]. Applied Optics, 1995, 34(18): 3477-3480. |