Three dimensional coordination polymers show self defocusing or self focusing effects depending on the valence shell structures of the central ions.
三维结构配位聚合物的自聚焦或自散焦效应主要受中心金属离子价层电子构型的影响。
To contract the circular beam symmetrically, the co-propagation of the bright and dark beams in three-dimensional self-defocusing media is studied systematically.
为了获得一种对称压缩圆光束的方法，系统研究了三维自散焦介质中亮暗光束对的共同传输。
It's well known that both thermal self-defocusing effect and reverse saturated absorption can lead to optical limiting.
众所周知，热自散焦效应和反饱和吸收效应都能导致光限幅。
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