Abstract

A multimode silica-clad optical fiber with a liquid silicone core was used as a distributed-line peak-temperature sensor over a temperature range from ambient to 190°C. The maximum error was 2°C and was essentially independent of the length or position of the hot zone.

© 1983 Optical Society of America

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References

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  1. M. Gottlieb, G. B. Brandt, J. Butler, ISA Trans. 19(4), 55 (1980).
  2. Dow-Corning No. 702 fluid.
  3. D. Gloge, Appl. Opt. 10, 2252 (1971).
    [CrossRef] [PubMed]
  4. J. E. Midwinter, Optical Fibers for Transmission (Wiley, New York, 1979), p. 69.
  5. W. A. Gambling, D. N. Payne, H. Matsumura, Appl. Opt. 14, 1538 (1975).
    [CrossRef] [PubMed]
  6. W. A. Gambling, D. N. Payne, H. Matsumura, Electron. Lett. 10(9) 148 (2May1974).
    [CrossRef]
  7. D. Gloge, Appl. Opt. 11, 2506 (1972).
    [CrossRef] [PubMed]

1980

M. Gottlieb, G. B. Brandt, J. Butler, ISA Trans. 19(4), 55 (1980).

1975

1974

W. A. Gambling, D. N. Payne, H. Matsumura, Electron. Lett. 10(9) 148 (2May1974).
[CrossRef]

1972

1971

Brandt, G. B.

M. Gottlieb, G. B. Brandt, J. Butler, ISA Trans. 19(4), 55 (1980).

Butler, J.

M. Gottlieb, G. B. Brandt, J. Butler, ISA Trans. 19(4), 55 (1980).

Gambling, W. A.

W. A. Gambling, D. N. Payne, H. Matsumura, Appl. Opt. 14, 1538 (1975).
[CrossRef] [PubMed]

W. A. Gambling, D. N. Payne, H. Matsumura, Electron. Lett. 10(9) 148 (2May1974).
[CrossRef]

Gloge, D.

Gottlieb, M.

M. Gottlieb, G. B. Brandt, J. Butler, ISA Trans. 19(4), 55 (1980).

Matsumura, H.

W. A. Gambling, D. N. Payne, H. Matsumura, Appl. Opt. 14, 1538 (1975).
[CrossRef] [PubMed]

W. A. Gambling, D. N. Payne, H. Matsumura, Electron. Lett. 10(9) 148 (2May1974).
[CrossRef]

Midwinter, J. E.

J. E. Midwinter, Optical Fibers for Transmission (Wiley, New York, 1979), p. 69.

Payne, D. N.

W. A. Gambling, D. N. Payne, H. Matsumura, Appl. Opt. 14, 1538 (1975).
[CrossRef] [PubMed]

W. A. Gambling, D. N. Payne, H. Matsumura, Electron. Lett. 10(9) 148 (2May1974).
[CrossRef]

Appl. Opt.

Electron. Lett.

W. A. Gambling, D. N. Payne, H. Matsumura, Electron. Lett. 10(9) 148 (2May1974).
[CrossRef]

ISA Trans.

M. Gottlieb, G. B. Brandt, J. Butler, ISA Trans. 19(4), 55 (1980).

Other

Dow-Corning No. 702 fluid.

J. E. Midwinter, Optical Fibers for Transmission (Wiley, New York, 1979), p. 69.

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Figures (3)

Fig. 1
Fig. 1

Optical fiber sensor.

Fig. 2
Fig. 2

Sensor test (hot zone = 3 mm).

Fig. 3
Fig. 3

Launch angle vs Temperature (°C)

Equations (3)

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d d T ( n 1 n 2 ) < 0
n 1 = n 2 2 + sin 2 θ 0 .
T = n 1 ( T ) n 1 ( 0 ) d n 1 / d T , n 1 ( 0 ) = 1.5175 , d n 1 d T = 2.93 × 10 4 / ° C .

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