搜索 - 科创

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耦合可以理解为传递的意思，光耦合是发送端把电流转换成光，接受端再把光转换为电，耦合变压器是把电流转换成磁场再把磁场转换成电，耦合电容是利用电容极板产生电场来传递信号。

江南夜雨发表于 2013-12-7 17:35 谐振腔镜片，普通镜子就可以，具体教程可以土鳖网，英文搜索二氧化碳激光，就有高手，膜拜一个，我百度了co2激光器，感觉气体比例不对啊，你的出激光了？？？

入射光子与散射物质的电子碰撞后，电子吸收一部分能量，散射后的光子波长变长。e=hv（h普朗克常数，v光子的频率）另外在一些物质可能会出现倍频和混频等现象。需要资料就找《大学物理》。

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