Optical fiber refractometry by interference microscopy: a simplified method.


Index of refraction profiles of optical fibers are obtained by a new interference technique closely related to Mach-Zehnder microscope interferometry. Data are obtained from specially prepared samples using a conventional reflected light microscope. Excellent agreement is obtained with the results using the Mach-Zehnder method but at a considerable… (More)
DOI: 10.1364/AO.17.003647


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