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Title: Extended-range, low coherence dual wavelength interferometry using a superfluorescent fibre source and chirped fibre bragg gratings
Authors: Kalli, Kyriacos 
Webb, David J. 
Jackson, David A.
Keywords: Optical fibers;Diffraction gratings;Interferometers
Issue Date: 1997
Publisher: Elsevier
Source: Optics Communications,1997, Volume 134, Issue 1-6,Pages 341-348
Abstract: We describe an all-fibre, passive scheme for making extended range interferometric measurements based on the dual wavelength technique. The coherence tuned interferometer network is illuminated with a single superfluorescent fibre source at 1.55 μm and the two wavelengths are synthesised at the output by means of chirped fibre Bragg gratings. We demonstrate an unambiguous sensing range of 270 μm, with a dynamic range of 2.7 × 105
ISSN: 0030-4018
Rights: © 1997 Elsevier B.V. All rights reserved.
Type: Article
Appears in Collections:Άρθρα/Articles

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