The molecule has the largest two-photon absorption cross section among its series of studied derivatives.
该分子在相应系列衍生物中具有最大的双光子吸收截面。
Results show that the two compounds are good two-photon absorption materials, and the two-photon absorption cross section of DPVMB molecule is stronger than that of PVMB molecule.
计算结果表明，这两个化合物都具有较好的双光子吸收特性，且具有两分支结构的DPVMB分子比具有单支结构的PVMB分子有更强的双光子吸收强度。
Results show that the two compounds are good two-photon absorption materials, and the two-photon absorption cross section of DPVMB molecule is stronger than that of PVMB molecule.
计算结果表明，这两个化合物都具有较好的双光子吸收特性，且具有两分支结构的DPVMB分子比具有单支结构的PVMB分子有更强的双光子吸收强度。
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