88Univ.Chem.2023,38(1),88–96收稿：2022-01-19；录用：2022-02-08；网络发表：2022-03-14*通讯作者，Email:liuth121@snnu.edu.cn基金资助：国家自然科学基金(22172097,21820102005,22132002)；陕西省创新能力支撑计划资助(2021TD-18)；陕西高校青年创新团队；江西中医药大学创新药物与高效节能降耗制药设备国家重点实验室开放基金项目•知识介绍•doi:10.3866/PKU.DXHX202201037www.dxhx.pku.edu.cn双光子吸收表征及相关光物理机制张楠，臧建阳，王刚，刘太宏*陕西师范大学化学化工学院，应用表面与胶体化学教育部重点实验室，西安710119摘要：双光子吸收材料在高分辨生物成像、光动力学治疗和光限幅等领域备受关注。新型双光子吸收材料创制涉及非线性光学性质表征、光物理机制解析和构效关系构建。本文探讨了双光子吸收相关的光物理跃迁机制、开孔Z-扫描与双光子激发荧光方法的区别联系以及激光光源特性对双光子吸收性能测试结果的影响，最后对该领域进行展望。关键词：双光子吸收；非线性光学；光物理；荧光中图分类号：G64；O64NonlinearCharacterizationandRelatedPhotophysicsofTwo-PhotonAbsorptionNanZhang,JianyangZang,GangWang,TaihongLiu*KeyLaboratoryofAppliedSurfaceandColloidChemistryofMinistryofEducation,SchoolofChemistryandChemicalEngineering,ShaanxiNormalUniversity,Xi’an710119,China.Abstract:Two-photonabsorption(2PA)andtwo-photonexcitedfluorescence(2PEF)havereceivedextensiveattentionduetotheirpotentialapplicationsinthefieldsofhigh-resolutionbioimaging,photodynamictherapy,opticalpowerlimiting,three-dimensionalmicrofabricationandhigh-capacitydatastorage,etc.Innovativepreparationofnovel2PAmaterialsinvolvesnonlinearopticalcharacterization,photophysicalstudiesandtheunderlyingstructure-propertyrelationships.2PAand2PEFfeaturethecharacteristicsofinterdisciplinaryandcross-fields.Aimingtopromptthedevelopmentof2PAmechanicsandguidefordesigningefficient2PAmaterials,weidentifyseveralkeyquestionsrelatedtothephotophysicalprocessesandcharacterizationmethodsof2PA.Theeffectoflasercharacteristicsonthenonlinearresultsisillustratedbasedonourresearchcontributionsandthefutureperspectiveandchallengesinthisfieldarealsopointedout.KeyWords:Two-photonabsorption...
