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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1945–1950

Optics InfoBase > Optics Express > Volume 16 > Issue 3 > Page 1945

Fiber strain sensor based on a π-phase-shifted Bragg grating and the Pound-Drever-Hall technique

D. Gatti, G. Galzerano, D. Janner, S. Longhi, and P. Laporta  »View Author Affiliations


Optics Express, Vol. 16, Issue 3, pp. 1945-1950 (2008)
http://dx.doi.org/10.1364/OE.16.001945


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Abstract

A fiber strain sensor based on a π-phase-shifted Bragg grating and an extended cavity diode laser is proposed. Locking the laser frequency to grating resonance by the Pound-Drever-Hall technique results in a strain power spectral density Sε(f)=(3×10−19f−1+2.6×10−23)ε2/Hz in the Fourier frequency range from 1 kHz to 10 MHz (ε being the applied strain), corresponding to a minimum sensitivity of 5 pεHz−1/2 for frequencies larger than 100 kHz.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3425) Lasers and laser optics : Laser stabilization
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 12, 2007
Revised Manuscript: January 3, 2008
Manuscript Accepted: January 5, 2008
Published: January 28, 2008

Citation
D. Gatti, G. Galzerano, D. Janner, S. Longhi, and P. Laporta, "Fiber strain sensor based on a π-phase-shifted Bragg grating and the Pound-Drever-Hall technique," Opt. Express 16, 1945-1950 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-3-1945


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References

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