光生伏打LiNbO3：Fe晶体从自散焦到等效“自聚焦”的动态转换
광생복타LiNbO3：Fe정체종자산초도등효“자취초”적동태전환
DYNAMIC CONVERSION FROM SELF-DEFOCUSING TO EQUIVALENT “SELF-FOCUSING” IN PHOTOVOLTAIC LiNbO3:Fe CRYSTALS
  • 万方数据
    物理学报 물이학보

    2001年 3期 483-488 ,共6页

    江瑛%刘思敏%温海东%张心正%郭儒%陈晓虎%许京军%张光寅

    강영%류사민%온해동%장심정%곽유%진효호%허경군%장광인

    自散焦%自聚焦%光折变 自散焦%自聚焦%光摺變
    자산초%자취초%광절변
    实验研究了在一定条件下LiNbO3：Fe晶体中从自散焦到等效“自聚焦”转换的动态行为，提出了出现自聚焦的物理机理为双相位共轭的法布里-珀罗干涉腔中的多光束干涉与光折变效应的共同结果。该效应有希望在光折变自散焦介质中形成亮空间孤子。
    실험연구료재일정조건하LiNbO3：Fe정체중종자산초도등효“자취초”전환적동태행위，제출료출현자취초적물리궤리위쌍상위공액적법포리-박라간섭강중적다광속간섭여광절변효응적공동결과。해효응유희망재광절변자산초개질중형성량공간고자。
    We experimentally studied the dynamic behavior of conversion from self-defocusing to equivalent “self-focusing” in LiNbO3:Fe crystal under certain experiment conditions.Its physical mechanism is the consequence of both the double Phase conjugate Fabry-Perot interference cavity and photorefractive effect.It is possible to form bright spatial solitons in self-defocusing medium by the effect of dynamic conversion.
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