By using femtosecond laser, the off-resonant third-order optical nonlinearity of the compound was measured with degenerate four-wave mixing technique.
采用飞秒激光，运用简并四波混频法，研究了化合物在非共振状态下的三阶非线性光学性能。
The experimental observation and theoretical analysis on the Raman-resonant four-wave parametric mixing process in rubidium vapour have been made. The theory agrees with the experimental results.
对铷蒸气中的喇曼共振四波参量混频过程进行了详细的实验观测和理论分析。获得了基本一致的结果。
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