1 March 2007 Measurement of refractive index profiles of axially symmetric optical fibers
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Abstract
A simple experimental technique for the measurement of refractive index profiles of axially symmetric optical fibers is presented. This method is based on image phase gradients introduced into a transmitted optical field by a fiber sample. An image of the phase gradients is obtained using a technique based on bright field microscopy. Then a relative refractive index profile of optical fibers is reconstructed by means of the inverse Abel transform.
Edgar Saucedo, Vladimir P. Minkovich, "Measurement of refractive index profiles of axially symmetric optical fibers," Optical Engineering 46(3), 035005 (1 March 2007). https://doi.org/10.1117/1.2714952
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