结果表明，VCSOA的频率响应特性受抽运光强度、输入光功率以及自发辐射因子的影响。
The results show that the frequency response characteristics of VCSOAs are influenced by the optical pump intensity, the input optical power and the spontaneous emission factor.
探测光相对于抽运光的延迟时间越大，离化效率越低，实用中应控制延迟时间远小于受激分子的自发辐射寿命。
The delay time ought to be smaller than the lifetime of the excited molecule in the practical use of the OODR-MPI technique.
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