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Variable spot-size waveguide for laser printing

Akira Arimoto, Sunao Kakizaki, Kazuto Senda, Takashi Nishimura, and Susumu Saitoh

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Abstract

A variable-spot-size Ti–LiNbO3 waveguide that permits electro-optical longitudinal shifting of the focal point is described. A 70% spot-size increase is observed for the ±60-V power supply. This spot-size variation technique is used in a basic experiment on halftone laser printing.

© 1994 Optical Society of America

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