Abstract

A description and demonstration of a fiber interferometer that uses a short segment of silica hollow-core fiber spliced between two sections of single-mode fiber to form a mechanically robust in-line cavity are presented. The hollow-core fiber is specifically manufactured to have an outer diameter that is equal to the outer diameter of the single-mode lead fibers, thereby combining the best qualities of existing intrinsic and extrinsic Fabry–Perot sensors. A dynamic strain resolution of 22n/Hz at frequencies of >5 Hz with a sensor gauge length of 137 μm is demonstrated.

© 1993 Optical Society of America

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References

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  1. A. D. Kersey, D. A. Jackson, M. Corke, in Proceedings of International Conference on Optical Techniques in Process Control (The Hague, The Netherlands, 1983), p. 55.
  2. T. Valis, D. Hogg, R. M. Measures, Proc. Soc. Photo-Opt. Instrum. Eng. 1370, 154 (1988).
  3. C. E. Lee, H. F. Taylor, Electron. Lett. 24, 193 (1988).
    [CrossRef]
  4. R. Kist, S. Drope, H. Wolfelschnelder, in Proceedings of Second International Conference on Optical Fiber Sensors (VDE-Verlag, Berlin, 1984), p. 165.
  5. J. J. Lesko, S. W. Case, B. R. Fogg, G. P. Carman, in Proceedings of the Seventh Annual Conference of the American Society for Composites (Technomic, Lancaster, Pa., 1992), pp. 609–614.
  6. J. S. Sirkis, Opt. Eng. 32, 763 (1993).
  7. S. A. Al-Chalabi, B. Culshaw, D. E. N. Davies, in Proceedings of the First International Conference on Optical Fibre Sensors (VDE-Verlag, Berlin, 1983), p. 132.
  8. E. Udd, Fiber Optic Sensors: An Introduction for Engineers and Scientists (Wiley, New York, 1991).

1993

J. S. Sirkis, Opt. Eng. 32, 763 (1993).

1988

T. Valis, D. Hogg, R. M. Measures, Proc. Soc. Photo-Opt. Instrum. Eng. 1370, 154 (1988).

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

Al-Chalabi, S. A.

S. A. Al-Chalabi, B. Culshaw, D. E. N. Davies, in Proceedings of the First International Conference on Optical Fibre Sensors (VDE-Verlag, Berlin, 1983), p. 132.

Carman, G. P.

J. J. Lesko, S. W. Case, B. R. Fogg, G. P. Carman, in Proceedings of the Seventh Annual Conference of the American Society for Composites (Technomic, Lancaster, Pa., 1992), pp. 609–614.

Case, S. W.

J. J. Lesko, S. W. Case, B. R. Fogg, G. P. Carman, in Proceedings of the Seventh Annual Conference of the American Society for Composites (Technomic, Lancaster, Pa., 1992), pp. 609–614.

Corke, M.

A. D. Kersey, D. A. Jackson, M. Corke, in Proceedings of International Conference on Optical Techniques in Process Control (The Hague, The Netherlands, 1983), p. 55.

Culshaw, B.

S. A. Al-Chalabi, B. Culshaw, D. E. N. Davies, in Proceedings of the First International Conference on Optical Fibre Sensors (VDE-Verlag, Berlin, 1983), p. 132.

Davies, D. E. N.

S. A. Al-Chalabi, B. Culshaw, D. E. N. Davies, in Proceedings of the First International Conference on Optical Fibre Sensors (VDE-Verlag, Berlin, 1983), p. 132.

Drope, S.

R. Kist, S. Drope, H. Wolfelschnelder, in Proceedings of Second International Conference on Optical Fiber Sensors (VDE-Verlag, Berlin, 1984), p. 165.

Fogg, B. R.

J. J. Lesko, S. W. Case, B. R. Fogg, G. P. Carman, in Proceedings of the Seventh Annual Conference of the American Society for Composites (Technomic, Lancaster, Pa., 1992), pp. 609–614.

Hogg, D.

T. Valis, D. Hogg, R. M. Measures, Proc. Soc. Photo-Opt. Instrum. Eng. 1370, 154 (1988).

Jackson, D. A.

A. D. Kersey, D. A. Jackson, M. Corke, in Proceedings of International Conference on Optical Techniques in Process Control (The Hague, The Netherlands, 1983), p. 55.

Kersey, A. D.

A. D. Kersey, D. A. Jackson, M. Corke, in Proceedings of International Conference on Optical Techniques in Process Control (The Hague, The Netherlands, 1983), p. 55.

Kist, R.

R. Kist, S. Drope, H. Wolfelschnelder, in Proceedings of Second International Conference on Optical Fiber Sensors (VDE-Verlag, Berlin, 1984), p. 165.

Lee, C. E.

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

Lesko, J. J.

J. J. Lesko, S. W. Case, B. R. Fogg, G. P. Carman, in Proceedings of the Seventh Annual Conference of the American Society for Composites (Technomic, Lancaster, Pa., 1992), pp. 609–614.

Measures, R. M.

T. Valis, D. Hogg, R. M. Measures, Proc. Soc. Photo-Opt. Instrum. Eng. 1370, 154 (1988).

Sirkis, J. S.

J. S. Sirkis, Opt. Eng. 32, 763 (1993).

Taylor, H. F.

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

Udd, E.

E. Udd, Fiber Optic Sensors: An Introduction for Engineers and Scientists (Wiley, New York, 1991).

Valis, T.

T. Valis, D. Hogg, R. M. Measures, Proc. Soc. Photo-Opt. Instrum. Eng. 1370, 154 (1988).

Wolfelschnelder, H.

R. Kist, S. Drope, H. Wolfelschnelder, in Proceedings of Second International Conference on Optical Fiber Sensors (VDE-Verlag, Berlin, 1984), p. 165.

Electron. Lett.

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

Opt. Eng.

J. S. Sirkis, Opt. Eng. 32, 763 (1993).

Proc. Soc. Photo-Opt. Instrum. Eng.

T. Valis, D. Hogg, R. M. Measures, Proc. Soc. Photo-Opt. Instrum. Eng. 1370, 154 (1988).

Other

A. D. Kersey, D. A. Jackson, M. Corke, in Proceedings of International Conference on Optical Techniques in Process Control (The Hague, The Netherlands, 1983), p. 55.

R. Kist, S. Drope, H. Wolfelschnelder, in Proceedings of Second International Conference on Optical Fiber Sensors (VDE-Verlag, Berlin, 1984), p. 165.

J. J. Lesko, S. W. Case, B. R. Fogg, G. P. Carman, in Proceedings of the Seventh Annual Conference of the American Society for Composites (Technomic, Lancaster, Pa., 1992), pp. 609–614.

S. A. Al-Chalabi, B. Culshaw, D. E. N. Davies, in Proceedings of the First International Conference on Optical Fibre Sensors (VDE-Verlag, Berlin, 1983), p. 132.

E. Udd, Fiber Optic Sensors: An Introduction for Engineers and Scientists (Wiley, New York, 1991).

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Figures (4)

Fig. 1
Fig. 1

Photograph of an arc-fusion-spliced ILFE strain gauge with a cavity spacing of ~112 μm.

Fig. 2
Fig. 2

Experimental white-light configuration for examining the performance of the ILEF sensor.

Fig. 3
Fig. 3

Optical spectrum analyzer scan of an ILFE sensor return signal.

Fig. 4
Fig. 4

Photodetector output when a 180-Hz, 1-mrad rms signal corresponding to 1.7 μ is applied to the ILFE sensor. The relatively flat noise floor from 5 to 500 Hz corresponds to a strain resolution of 20 n.

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