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Ferroelectric LiNbO3 single-crystal film was successfully grown onto a LiTaO3 substrate by a new method, epitaxial-growth-by-melting (EGM) method. The propagation of a He–Ne laser beam fed into the film was demonstrated. Some preliminary results of this new technique for fabricating optical waveguides are reported.
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Shintaro Miyazawa (1973) studied this question.
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