This essay will mainly discuss polaron dynamic processes in the presence of external electric fields.
本文用非绝热动力学方法重点讨论了电场力作用下极化子的形成及输运过程。
Employing writing beams with appropriate intensity distributions and external electric fields along proper directions, arrays of planar and channel waveguides can be fabricated in various pr crystals.
研究结果表明：采用合适的光场强度分布以及合适的外加电场可以在不同光折变晶体中写入平面波导阵列和通道波导阵列。
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