High-resolution Brillouin optical time domain analysis based on Brillouin dynamic grating
Optics Letters, Vol. 35, Issue 1, pp. 52-54 (2010)
http://dx.doi.org/10.1364/OL.35.000052
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Abstract
We propose and experimentally demonstrate a high-resolution distributed measurement of the Brillouin gain spectrum in a polarization-maintaining fiber (PMF) using Brillouin dynamic grating. In our approach, acoustic waves which contain the information of the local Brillouin frequency are generated by a long pump pulse in one polarization along the PMF and are read out by a short probe pulse with an orthogonal polarization at a different optical frequency from the pump. In experiments, a distributed strain measurement with a 10 cm spatial resolution is demonstrated in a 105 m PMF.
© 2009 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2310) Fiber optics and optical communications : Fiber optics
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(290.5900) Scattering : Scattering, stimulated Brillouin
ToC Category:
Scattering
History
Original Manuscript: July 8, 2009
Revised Manuscript: November 28, 2009
Manuscript Accepted: December 9, 2009
Published: December 24, 2009
Citation
Kwang Yong Song and Hyuk Jin Yoon, "High-resolution Brillouin optical time domain analysis based on Brillouin dynamic grating," Opt. Lett. 35, 52-54 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-1-52
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