one photon absorption 单双光子吸收
And under , and _1 = _2 = 0 conditions, the one-photon absorption and the two-photon absorption are greatly suppressed since destructive interference.
同时，在满足上述条件下，由于相消干涉使单光子吸收和双光子吸收被抑制。
参考来源 - 级联三能级原子共振荧光的相位控制·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show that the number of thiophene units affects the properties of one-photon absorption and two-photon absorption.
结果显示噻吩单元的数目影响分子的单光子和双光子吸收性质。
In the third chapter, the optical properties of all compounds above have been systematically studies, we also researched the Electronic Absorption Spectra, one-photon fluorescence, solvent effect.
第三章，系统研究了这一系列化合物的光学性质，研究了他们的电子吸收光谱，单光子荧光以及溶剂效应。
In order to investigate the effect of substituents on the two-photon absorption properties(TPA), the one-and two-photon absorption properties were theoretically studied by using ZINDO/SOS method.
利用ZINDO/SOS方法，从理论上研究了对称和不对称取代两种情况下，取代基对二噻吩并噻吩衍生物单双光子吸收性质的影响。
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