在本論文中我們將系統性地設計與合成數個由六員雜環為中心結構的染料分子並將具有共平面性和發光性質的fluorene導入本論文當中，希望藉由增加分子的共軛長度或是改變分子共軛結構上所連接方式的不同，亦或是改變其雜環中心氮原子數目與位置，來探討分子結構上的改變對線性光學上與非線性光學功率限幅效應上的影響。我們透過線性光學的量測結果可得知各系列模型分子的最大吸收波長與最大發射波長，進而選擇適當的激發波長來測得各模型分子之螢光量子產率與生命週期。至於非線性光學性質的部份，我們利用奈秒級的Nd：YAG雷射作為激發光源以檢測模型分子的非線性穿透率光譜圖，進而得到模型分子所具有的非線性光學限幅能力。在經由分析各模型分子之線性與非線性光學特性與分子結構間的關聯性，可歸納出以下結果： (1)利用雙鍵來連接共軛結購比利用單鍵或是三鍵來連接共軛結構要來的可以提升線性或是非線性的吸收。(2)在中心結構與光學性質關係比較中，以quinoxaline為中心結構具有較寬廣的吸收範圍，而以pyrazine為中心結構則有較好的吸收表現。(3)延伸共軛長度對於線性與非線性光學性質上皆有不錯的影響，而增加外圍結構的分支數在以1,3,5-triazine為中心結構的分子當中對於線性光學有增加吸收波長範圍的作用。 In order to study and discuss a single, double and triple bond in a variety of heterocyclic impact. Therefore, in this project which we designed and synthesized several new models of two-photon compounds. Then we measured the linear and nonlinear optical properties. And then by analyzing the model compounds with the observed optical properties, finally obtained useful information of molecular design. Include the use of double bonds to extend the conjugated structure can enhance the absorption of linear or nonlinear、quinoxaline-centered structure has absorbed over a wide range, and the pyrazine-centered structure has better absorption coefficient、Extended π-delocalization domain for linear and nonlinear optical properties have a good impact, and increased the number of branches in the external structure to 1,3,5-triazine centered structure of the molecule which has increased for the linear optical absorption wavelength range role.
