We investigate the beam steering properties provided by effects correlated with the thermooptic effect in a planar strontium-barium niobate (SBN) waveguide. Thermally induced modulation of the refractive index in combination with photorefractive effects can (de-)focus, split and manipulate the pump beam. The refractive index pattern induced by a pump beam can be used to deflect and switch a probe beam, with deflection angles of 0.2 rad and switching times below one millisecond.

© 1999 Optical Society of America

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