Abstract

We proposed and experimentally investigated a novel microbend sensor structure. The structure is composed of single-mode leads and multimode sensing fiber. The proposed structure exhibited a level of sensitivity as much as six times higher than that of the classical microbend sensor configuration when the same sensing fiber was used. Additionally, single-mode leads reduce lead noise and allow the use of more-coherent sources. The total loss of the proposed nondeformed structure is near 2  dB when the proper splicing method is used.

© 1997 Optical Society of America

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References

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B. L. Anderson and J. A. Brosig, Opt. Eng. 34, 208 (1995).
[CrossRef]

J. W. Berthold, J. Lightwave Technol. 13, 1193 (1995).
[CrossRef]

1993

Z. Haas and M. A. Santro, J. Lightwave Technol. 11, 1125 (1993).
[CrossRef]

1988

N. Lagakos and J. A. Bucaro, ISA Trans. 27, 19 (1988).

1987

M. T. Wlodarczyk and S. R. Seshadri, J. Lightwave Technol. 5, 163 (1987).
[CrossRef]

N. Lagakos, J. H. Cole, and J. A. Bucaro, Appl. Opt. 26, 2171 (1987).
[CrossRef] [PubMed]

1984

1975

1973

D. Marcuse, Bell Syst. Tech. J. 52, 817 (1973).
[CrossRef]

Anderson, B. L.

B. L. Anderson and J. A. Brosig, Opt. Eng. 34, 208 (1995).
[CrossRef]

Berthold, J. W.

J. W. Berthold, J. Lightwave Technol. 13, 1193 (1995).
[CrossRef]

Brosig, J. A.

B. L. Anderson and J. A. Brosig, Opt. Eng. 34, 208 (1995).
[CrossRef]

Bucaro, J. A.

Cole, J. H.

Diemeer, M. B. J.

Haas, Z.

Z. Haas and M. A. Santro, J. Lightwave Technol. 11, 1125 (1993).
[CrossRef]

Jeunhomme, L.

Lagakos, N.

Marcuse, D.

D. Marcuse, Bell Syst. Tech. J. 52, 817 (1973).
[CrossRef]

Pocholle, J. P.

Santro, M. A.

Z. Haas and M. A. Santro, J. Lightwave Technol. 11, 1125 (1993).
[CrossRef]

Seshadri, S. R.

M. T. Wlodarczyk and S. R. Seshadri, J. Lightwave Technol. 5, 163 (1987).
[CrossRef]

Trommel, E. S.

Wlodarczyk, M. T.

M. T. Wlodarczyk and S. R. Seshadri, J. Lightwave Technol. 5, 163 (1987).
[CrossRef]

Appl. Opt.

Bell Syst. Tech. J.

D. Marcuse, Bell Syst. Tech. J. 52, 817 (1973).
[CrossRef]

ISA Trans.

N. Lagakos and J. A. Bucaro, ISA Trans. 27, 19 (1988).

J. Lightwave Technol.

M. T. Wlodarczyk and S. R. Seshadri, J. Lightwave Technol. 5, 163 (1987).
[CrossRef]

J. W. Berthold, J. Lightwave Technol. 13, 1193 (1995).
[CrossRef]

Z. Haas and M. A. Santro, J. Lightwave Technol. 11, 1125 (1993).
[CrossRef]

Opt. Eng.

B. L. Anderson and J. A. Brosig, Opt. Eng. 34, 208 (1995).
[CrossRef]

Opt. Lett.

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Figures (5)

Fig. 1
Fig. 1

SMS structure.

Fig. 2
Fig. 2

Experimental microbend deformers: (a) single microbend, (b) periodic microbend, (c) single point.

Fig. 3
Fig. 3

Experimentally obtained response of the SMS structure for (a) a single-microbend deformer at Λ=1.4 mm, (b) a periodic-microbend deformer at Λ=1.1 mm, and (c) a single-point deformer.

Fig. 4
Fig. 4

Maximal sensitivity dI/dF versus period Λ for a single microbend deformer.

Fig. 5
Fig. 5

Maximal sensitivity dI/dF versus period Λ for a periodic-microbend deformer.

Tables (1)

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Table 1 Experimentally Measured Loss of Nondeformed SMS Structure

Equations (1)

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Λc=2πan0/N.A.,

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