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本文讨论了激光模式与封闭腔模式、光量子态、相空间相格、相干体积的概念及相互关系。
In this paper, we discuss the concepts of laser mode, enclosed-Cavity mode, photon state, cell of phase space and the coherence Volume, as well as the equivalent relationship between them.
他指出，由于布拉格衍射效应，在同样具有螺旋结构的胆甾相液晶中也观察到了类似的光子自旋滤波。
He points out that a similar spin-filtering of photons due to Bragg diffraction has been seen in cholesteric liquid crystals, which also have a helical structure.
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