Improved implementation of optical space domain reflectometry for characterizing the complex coupling coefficient of strong fiber Bragg gratings
Applied Optics, Vol. 48, Issue 22, pp. 4506-4513 (2009)
http://dx.doi.org/10.1364/AO.48.004506
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Abstract
Optical space domain reflectometry (OSDR) implemented with a novel interferometric characterization method is demonstrated to be an accurate technique for characterizing the complex coupling coefficient of strong fiber Bragg gratings. A theoretical model is also presented, incorporating the effect of the heat perturbation shape, which accurately predicts the measurement behavior. It is shown that the measurement accuracy and spatial resolution are dramatically improved by removing the effect of the heat perturbation shape on the reconstructed profile using a deconvolution technique. The improvement in accuracy is illustrated by the excellent agreement between a weak grating reconstructed with OSDR and the same grating reconstructed with optical frequency domain reflectometry and a layer-peeling method. Reconstruction of a strong grating with an integrated coupling coefficient,
© 2009 Optical Society of America
OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.2285) Optical devices : Fiber devices and optical amplifiers
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: April 30, 2009
Manuscript Accepted: July 5, 2009
Published: July 29, 2009
Citation
Geoffrey A. Cranch and Gary A. Miller, "Improved implementation of optical space domain reflectometry for characterizing the complex coupling coefficient of strong fiber Bragg gratings," Appl. Opt. 48, 4506-4513 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-22-4506
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