Abstract
Simultaneous mode-locking and quasi cw second-harmonic generation (SHG) in high-temperature lithium niobate or barium sodium niobate of a Nd3+:YAG laser have been accomplished by electro-optic modulation of the nonlinear medium. This technique will be useful for obtaining ``100% conversion efficiencies,'' which would not be possible by the standard intracavity method, with nonlinear crystals that are either too short or have too low a nonlinear coefficient to achieve optimum coupling of the laser.
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