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CHALCOGENIDE GLASS PLANAR WAVEGUIDES: Z-SCAN INVESTIGATION OF REFRACTIVE INDEX CHANGES

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Abstract

Nonlinear properties of chalcogenide glasses (ChG) are very interesting both from the point of view of potential application in photonic devices ( as planar waveguides, fibers, coating films ) and new basic mechanisms in the field of short laser pulses. Recently the measurements of optical hysteresis in thin films of ChG were performed, showing the effect at fight intensities lower than those reported in the case of crystalline semiconductors [1].

© 1992 Optical Society of America

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