KnE Energy

ISSN: 2413-5453

The latest conference proceedings on energy science, applications and resources

Use of 3×3 Coupler in the Fiber Optic Strainmeter Based on Mach-Zehnder Interferometer

Published date: Apr 25 2018

Journal Title: KnE Energy

Issue title: VII International Conference on Photonics and Information Optics (PhIO)

Pages: 388–392

DOI: 10.18502/ken.v3i3.2052

Authors:

О T Kamenev - okamenev@mail.ru

Y S Petrov

A A Podlesnykh

Abstract:

In this paper a strainmeter based on the fiber optic Mach-Zehnder interferometer with 3x3 coupler for a phase shift demodulation is presented. Laboratory experiments on registration of harmonic deformation with the use of strainmeter were carried out. The experiment demonstrates efficiency of the strainmeter.

Keywords: strainmeter, interferometer, coupler

References:

[1] O. T. Kamenev, Yu. N. Kul’chin, Yu. S. Petrov, and R. V. Khizhnyak, “Use of a Fiber- Optic Mach–Zehnder Interferometer for Creating a Deformometer with Extended Gage Length”, Technical Physics Letters, vol. 40, no. 2, pp. 119-122, 2014.


[2] S.K. Sheem, T.G. Giallorenzi, K.P.Koo, “Optical Techniques to Solve the Signal Fading Problem in Fiber Interferometers”, Appl.Opt., vol. 21, pp. 689-693, 1982.


[3] K.P. Koo, A.B. Tveten, A. Dandridge, “Passive stabilization scheme for fiber interferometers using 3 x 3 fiber directional couplers”, Appl Phy Lett., vol. 41, pp.616- 618, 1982.


[4] D.A. Brown, C.B. Cameron, R.M. Keolian, D.L Gardner, S.L. Garrett, “A symmetric 3×3 coupler based demodulator for fiber optic interferometric sensors”, Proc. SPIE 1, vol. 1584, pp.328-335, 1991.

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