We have achieved cw secondhyphen;harmonic generation using an intracavity Ba2NaNb5O15doubler crystal in a lowhyphen;power NdP5O14laser pumped by a dye laser. Our results show the feasibility of obtaining visible (0.525 mgr;m) secondhyphen;harmonic radiation from similar lasers pumped by nearhyphen;infrared semiconductor sources.
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