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Study of Two-Photon absorption in Organic Materials by thermal lensing and nonlinear transmission measurements

机译:热敏和非线性透射测量研究有机材料中的双光子吸收

摘要

Experimental investigations of two-photon absorption (TPA) cross-section using nonlinear transmission (NLT) and a new pump-probe mode-mismatched thermal lens (TL) scheme, in the picosecond regime are reported. Both methods are used in a prospect of comparison. Values of the TPA coefficient and cross-section in perylenediimide derivatives (PDI) at 532 nm and 1064 nm wavelengths are given.
机译:报告了在皮秒状态下使用非线性透射(NLT)和新的泵-探针模式不匹配热透镜(TL)方案的两光子吸收(TPA)横截面的实验研究。两种方法都可用于比较。给出了per二酰亚胺衍生物(PDI)在532 nm和1064 nm波长下的TPA系数和横截面值。

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