10 November 1986 Interference Measurement Of Waveguide Preform Refractive Index Distribution In A Radial Shearing Interferometer
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Proceedings Volume 0670, Optical Fibres and Their Applications IV; (1986) https://doi.org/10.1117/12.938968
Event: Optical Fibres and Their Applications, 1986, Warsaw, Poland
Abstract
In classical interference the examined wave front interferes with the plane (model) wave front; whereas in shearing interference two wave fronts interfere with each other - one of them is, in some definite way, transformed in relation to the other. In radial shearing interference two collinear fronts with propagation direction interfere with each other - one of them is transversely magnified in relation to the other. Radial shearing interference can be realized in different systems by various optical elements. Two interferometers measuring the distribution of a refractive index of waveguide preforms are presented below.
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Waldemar Kowalik, Waldemar Kowalik, BogusIawa Dubik, BogusIawa Dubik, Kazimierz Pietraszkiewicz, Kazimierz Pietraszkiewicz, Halina Plokarz, Halina Plokarz, "Interference Measurement Of Waveguide Preform Refractive Index Distribution In A Radial Shearing Interferometer", Proc. SPIE 0670, Optical Fibres and Their Applications IV, (10 November 1986); doi: 10.1117/12.938968; https://doi.org/10.1117/12.938968
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