Abstract

A temperature-sensor system based on low-coherence interferometry with a fiber Mach–Zehnder interferometer as a phase modulator was implemented. A measurement range of 20 to 800 °C with a resolution of 0.025 °C (corresponding to 0.0004 fringe) was achieved with a 1-mm-long fiber Fabry–Perot interferometer as the sensing element.

© 1997 Optical Society of America

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References

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  1. W. V. Sorin, in Ninth Optical Fiber Sensors Conference (Palazzo dei Congressi, Firenze, Italy, 1993), p. 243.
  2. Y-J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
    [CrossRef]
  3. C. E. Lee and H. F. Taylor, Electron. Lett. 24, 193 (1988).
    [CrossRef]
  4. C. E. Lee, R. A. Atkins, and H. F. Taylor, Opt. Lett. 13, 1038 (1988).
    [CrossRef] [PubMed]
  5. C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
    [CrossRef]
  6. S. H. Yun, B. K. Kim, H. J. Jeong, and B. Y. Kim, Opt. Lett. 21, 908 (1996).
    [CrossRef] [PubMed]

1996 (2)

1992 (1)

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

1988 (2)

Alcoz, J. J.

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

Atkins, R. A.

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

C. E. Lee, R. A. Atkins, and H. F. Taylor, Opt. Lett. 13, 1038 (1988).
[CrossRef] [PubMed]

Gibler, W. N.

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

Jackson, D. A.

Y-J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

Jeong, H. J.

Kim, B. K.

Kim, B. Y.

Lee, C. E.

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

C. E. Lee and H. F. Taylor, Electron. Lett. 24, 193 (1988).
[CrossRef]

C. E. Lee, R. A. Atkins, and H. F. Taylor, Opt. Lett. 13, 1038 (1988).
[CrossRef] [PubMed]

Rao, Y-J.

Y-J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

Sorin, W. V.

W. V. Sorin, in Ninth Optical Fiber Sensors Conference (Palazzo dei Congressi, Firenze, Italy, 1993), p. 243.

Taylor, H. F.

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

C. E. Lee and H. F. Taylor, Electron. Lett. 24, 193 (1988).
[CrossRef]

C. E. Lee, R. A. Atkins, and H. F. Taylor, Opt. Lett. 13, 1038 (1988).
[CrossRef] [PubMed]

Yeh, Y.

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

Yun, S. H.

Electron. Lett. (1)

C. E. Lee and H. F. Taylor, Electron. Lett. 24, 193 (1988).
[CrossRef]

Meas. Sci. Technol. (1)

Y-J. Rao and D. A. Jackson, Meas. Sci. Technol. 7, 981 (1996).
[CrossRef]

Opt. Lett. (2)

Smart Mater. Struct. (1)

C. E. Lee, J. J. Alcoz, Y. Yeh, W. N. Gibler, R. A. Atkins, and H. F. Taylor, Smart Mater. Struct. 1, 123 (1992).
[CrossRef]

Other (1)

W. V. Sorin, in Ninth Optical Fiber Sensors Conference (Palazzo dei Congressi, Firenze, Italy, 1993), p. 243.

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Figures (5)

Fig. 1
Fig. 1

Experimental configuration: SLD, superluminescent diode; OPD, optical path difference; PZT 1, PZT 2, piezoelectric transducer tubes; PC 1, PC 2, polarization controllers.

Fig. 2
Fig. 2

Sensor and reference fringes for two sensor temperatures.

Fig. 3
Fig. 3

Effect of central fringe identification errors that occur when an unannealed sensor is initially heated.

Fig. 4
Fig. 4

Results of thermal cycling to 800 °C after annealing of the sensor FFPI.

Fig. 5
Fig. 5

Resolution (a) before and (b) after annealing. The duration of the measurement is 30  min.

Equations (2)

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ΔΦ=4πnLλ1ndndT+1LdLdTΔT,
Iϕ=1+12 exp-λϕ-ϕsπlc2cosϕ-ϕs,

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