【摘要】 本文研究了向列相液晶中热致相位光栅产生的简并四波混频过程.理论上得到的半定量公式表明,混频信号上升过程由快分量和慢分量组成.向列相MBBA的实验结果与理论分析相符.更多还原

【Abstract】 The degenerate four-wave mixing process due to thermal phase grating in nematic liquid crystals is studied. A semiquantitative formula has been derived. It is shown that the rising process of mixing signal consists of two components, a fast and a slow one. The experimental results of MBBA in its nematic phase are in agreement with theoretical predictions.更多还原