Abstract

A temperature-insensitive fiber optic sensor for high-resolution measure of refractive index is proposed and demonstrated. The sensor is based on Fresnel reflection modulated by Fabry–Perot interference, which consists of a section of single-mode fiber (SMF) tip coated with a thin film of SU-8 at the end of the fiber tip. The fringe contrast of the interference spectrum reflected from the sensor head is used to determine the extern RI. The experimental results agree well with the theoretical results and show that the fringe contrast is not sensitive to temperature variation. Such a refractive index sensor can offer the refractive index resolution and accuracy of $5 \times 10^{-6}$ and $5\times 10^{-5}$, respectively. By simultaneous tracking the wavelength shift of the interference pattern, the sensor also has the potential capability for the simultaneous measurement of liquid RI and temperature.

© 2010 IEEE

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  1. V. Krishna, C. H. Fan, J. P. Longtin, "Real-time precision concentration measurement for flowing liquid solutions," Rev. Sci. Instrum. 71, 3864-3869 (2000).
  2. Y. Zhao, B. Zhang, Y. Liao, "Experimental research and analysis of salinity measurement based on optical techniques," Sens. Actuators B 92, 331-336 (2003).
  3. B. Rothenhausler, W. Knoll, "Surface-plasmon microscopy," Nature 332, 615-617 (1988).
  4. A. Abdelghani, N. Jaffrezic-Renault, "SPR fiber sensor sensitised by fluorosiloxane polymers," Sens. Actuators B 74, 117-123 (2001).
  5. D. Monzón-Hernández, J. Villatoro, "High-resolution refractive index sensing by means of a multiple-peak surface plasmon resonance optical fiber sensor," Sens. Actuators B 115, 227-231 (2006).
  6. M. Rong, L.-S. Zhang, "Liquid concentration measurement based on the optoacoustic effectand fiber Bragg grating sensor technology," Opt. Eng. 45, 040501-1-040501-3 (2006).
  7. B.-J. Peng, Y. Zhao, C.-F. Ying, Y.-T. Liu, H. Wang, "Novel optical sensor for simultaneous measurement of liquid concentration and temperature," Opt. Laser Technol. 39, 105-109 (2007).
  8. T. Wei, Y. Han, Y. Li, H. Tsai, H. Xiao, "Temperature-insensitive miniaturized fiber inline Fabry–Perot interferometer for highly sensitive refractive index measurement," Opt. Exp. 16, 5764-5769 (2008).
  9. Y. J. Rao, "Recent progress in fiber-optic extrinsic Fabry–Perot interferometric sensors," Opt. Fiber Technol. 12, 227-237 (2006).
  10. G. Z. Xiao, A. Adnet, Z. Y. Zhang, F. G. Sun, C. P. Grover, "Monitoring changes in the refractive index gases by means of a fiber optic Fabry–Perot interferometer sensor," Sens. Actuators A 177-182 (2005).
  11. Z. L. Ran, Y. J. Rao, W. J. Liu, X. Liao, K. S. Chiang, "Laser-micromachined Fabry–Perot optical fiber tip sensor for high-resolution temperature-independent measurement of refractive index," Opt. Exp. 16, 2252-2263 (2008).
  12. F. Kohlrausch, Praktische Physik 1, 408 (1968).

2008 (2)

T. Wei, Y. Han, Y. Li, H. Tsai, H. Xiao, "Temperature-insensitive miniaturized fiber inline Fabry–Perot interferometer for highly sensitive refractive index measurement," Opt. Exp. 16, 5764-5769 (2008).

Z. L. Ran, Y. J. Rao, W. J. Liu, X. Liao, K. S. Chiang, "Laser-micromachined Fabry–Perot optical fiber tip sensor for high-resolution temperature-independent measurement of refractive index," Opt. Exp. 16, 2252-2263 (2008).

2007 (1)

B.-J. Peng, Y. Zhao, C.-F. Ying, Y.-T. Liu, H. Wang, "Novel optical sensor for simultaneous measurement of liquid concentration and temperature," Opt. Laser Technol. 39, 105-109 (2007).

2006 (3)

Y. J. Rao, "Recent progress in fiber-optic extrinsic Fabry–Perot interferometric sensors," Opt. Fiber Technol. 12, 227-237 (2006).

D. Monzón-Hernández, J. Villatoro, "High-resolution refractive index sensing by means of a multiple-peak surface plasmon resonance optical fiber sensor," Sens. Actuators B 115, 227-231 (2006).

M. Rong, L.-S. Zhang, "Liquid concentration measurement based on the optoacoustic effectand fiber Bragg grating sensor technology," Opt. Eng. 45, 040501-1-040501-3 (2006).

2005 (1)

G. Z. Xiao, A. Adnet, Z. Y. Zhang, F. G. Sun, C. P. Grover, "Monitoring changes in the refractive index gases by means of a fiber optic Fabry–Perot interferometer sensor," Sens. Actuators A 177-182 (2005).

2003 (1)

Y. Zhao, B. Zhang, Y. Liao, "Experimental research and analysis of salinity measurement based on optical techniques," Sens. Actuators B 92, 331-336 (2003).

2001 (1)

A. Abdelghani, N. Jaffrezic-Renault, "SPR fiber sensor sensitised by fluorosiloxane polymers," Sens. Actuators B 74, 117-123 (2001).

2000 (1)

V. Krishna, C. H. Fan, J. P. Longtin, "Real-time precision concentration measurement for flowing liquid solutions," Rev. Sci. Instrum. 71, 3864-3869 (2000).

1988 (1)

B. Rothenhausler, W. Knoll, "Surface-plasmon microscopy," Nature 332, 615-617 (1988).

1968 (1)

F. Kohlrausch, Praktische Physik 1, 408 (1968).

Nature (1)

B. Rothenhausler, W. Knoll, "Surface-plasmon microscopy," Nature 332, 615-617 (1988).

Opt. Eng. (1)

M. Rong, L.-S. Zhang, "Liquid concentration measurement based on the optoacoustic effectand fiber Bragg grating sensor technology," Opt. Eng. 45, 040501-1-040501-3 (2006).

Opt. Exp. (2)

T. Wei, Y. Han, Y. Li, H. Tsai, H. Xiao, "Temperature-insensitive miniaturized fiber inline Fabry–Perot interferometer for highly sensitive refractive index measurement," Opt. Exp. 16, 5764-5769 (2008).

Z. L. Ran, Y. J. Rao, W. J. Liu, X. Liao, K. S. Chiang, "Laser-micromachined Fabry–Perot optical fiber tip sensor for high-resolution temperature-independent measurement of refractive index," Opt. Exp. 16, 2252-2263 (2008).

Opt. Fiber Technol. (1)

Y. J. Rao, "Recent progress in fiber-optic extrinsic Fabry–Perot interferometric sensors," Opt. Fiber Technol. 12, 227-237 (2006).

Opt. Laser Technol. (1)

B.-J. Peng, Y. Zhao, C.-F. Ying, Y.-T. Liu, H. Wang, "Novel optical sensor for simultaneous measurement of liquid concentration and temperature," Opt. Laser Technol. 39, 105-109 (2007).

Praktische Physik (1)

F. Kohlrausch, Praktische Physik 1, 408 (1968).

Rev. Sci. Instrum. (1)

V. Krishna, C. H. Fan, J. P. Longtin, "Real-time precision concentration measurement for flowing liquid solutions," Rev. Sci. Instrum. 71, 3864-3869 (2000).

Sens. Actuators A (1)

G. Z. Xiao, A. Adnet, Z. Y. Zhang, F. G. Sun, C. P. Grover, "Monitoring changes in the refractive index gases by means of a fiber optic Fabry–Perot interferometer sensor," Sens. Actuators A 177-182 (2005).

Sens. Actuators B (3)

Y. Zhao, B. Zhang, Y. Liao, "Experimental research and analysis of salinity measurement based on optical techniques," Sens. Actuators B 92, 331-336 (2003).

A. Abdelghani, N. Jaffrezic-Renault, "SPR fiber sensor sensitised by fluorosiloxane polymers," Sens. Actuators B 74, 117-123 (2001).

D. Monzón-Hernández, J. Villatoro, "High-resolution refractive index sensing by means of a multiple-peak surface plasmon resonance optical fiber sensor," Sens. Actuators B 115, 227-231 (2006).

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