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用 Ｎｄ ： Ｙ Ｖ Ｏ４／ Ｋ Ｔ Ｐ 内腔倍频激光器在５１５ ｍ Ｗ 抽运时，获得了４０４ ｍ Ｗ 的单频５３２ ｎ ｍ绿光。分析了获得单频运转的原因，并从理论上分析、实验中验证了用增加腔长的办法，可减小自由运转激光器的频率漂移。用其单频输出观测到１９９７ 年国际米定义咨询委员会（ Ｃ Ｃ Ｄ Ｍ） 推荐谱线以外的一些新的 Ｉ２ 吸收谱线。
When pumped at 515 mW with a Nd: Y V O4 / K T P cavity-locked laser, a single-frequency 532 n m green light of 404 mW was obtained. The reason of obtaining the single frequency operation is analyzed and analyzed theoretically. The experiment verifies that the frequency drift of the free running laser can be reduced by increasing the cavity length. Using its single-frequency output, some of the new I2 absorption lines other than those recommended by the 1997 Constellation Definition Advisory Committee (C C D M) were observed.