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根据ＢＢｏ晶体Ｓｅｌｌｍｅｉｅｒ方程确定的折射率，计算了在钛宝石激光可调谐波段的和频相位匹配角。结果与实验基本一致。实验发现了４０７．３～３８４．６ｎｍ可调谐的紫－紫外相干光。
According to the refractive index determined by the Sellmeier equation of BBo crystal, the phase matching angle of sum frequency in tunable laser band of Ti: sapphire is calculated. The results are basically consistent with the experiment. The experiment found 407.3 ~ 384.6nm tunable violet-ultraviolet coherent light.