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首页> 外文期刊>Review of Scientific Instruments >Small acousto‐optic modulation for active mode locking in the iodine photodissociation laser and the effect of supplementary saturable absorber
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Small acousto‐optic modulation for active mode locking in the iodine photodissociation laser and the effect of supplementary saturable absorber

机译:碘光解离激光器中用于有源模式锁定的小声光调制和补充饱和吸收剂的作用

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摘要

Active, passive, and active–passive mode locking of the iodine photodissociation laser are investigated. The peak‐to‐background ratio (PBR) of the acousto‐optically mode‐locked pulse is 85% for rf power of 5 W. Passive mode locking using BDN dye gives PBR of 75% and has inferior reproducibility. The active–passive mode locking using the two methods simultaneously is useful for the pressure broadened iodine laser line and gives a PBR of 91%. In this case the rf power required for complete mode locking is calculated to be 7 W which is much less than the required power of 11 W in using active mode locking alone.
机译:研究了碘光解离激光器的主动,被动和主动-被动模式锁定。当射频功率为5 W时,声光锁模脉冲的峰背景比(PBR)为85%。使用BDN染料的无源锁模方法产生的PBR为75%,并且再现性较差。同时使用这两种方法的主动-被动模式锁定对于加宽碘激光线很有用,其PBR为91%。在这种情况下,完整模式锁定所需的rf功率经计算为7 W,这比仅使用有源模式锁定时所需的11 W功率小得多。

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