Thermal characterization of optical fibers using wavelength-sweeping interferometry.
APPLIED OPTICS（2010）
Abstract
In this paper, we report a new method of thermal characterization of optical fibers using wavelength-sweeping interferometry and discuss its advantages compared to other techniques. The setup consists of two temperature-stabilized interferometers, a reference Michelson and a Mach-Zehnder, containing the fiber under test. The wavelength sweep is produced by an infrared tunable laser diode. We obtained the global phase shift coefficients of a large effective area fiber and gold-coated fiber optics with a 10(-7) accuracy. (C) 2010 Optical Society of America
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Key words
optical fiber,phase shift,michelson interferometer,interferometry,interferometers,accuracy,wavelengths,fiber optics,gold,mach zehnder interferometer,optical fibers
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