The effect of excited-state absorption-induced thermal refraction on the optical nonlinear refraction of ZnPc/DMSO solution
作者： Wang Zhang , Weiyan Jiao , Chunying He , Kun Yang , Xueru Zhang
DOI: 10.1088/0953-4075/41/15/155402
关键词: Zinc 、 Excited state 、 Physics 、 Phthalocyanine 、 Thermal 、 Transient (oscillation) 、 Refraction 、 Optics 、 Nonlinear refraction 、 Nonlinear optics 、 Molecular physics
摘要: The optical nonlinearity of phthalocyanine zinc dissolved in dimethyl sulfoxide was investigated using a Z-scan technique. sample demonstrated strong reverse saturable absorption and an overall self-focusing effect. physical mechanism nonlinear refraction attributed to the competition between excited-state absorption-induced thermal refraction. effect on described analysed transient regime as input energy varied.
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