本實驗的目的在於合成聚合型界面活性劑(surfmer)，與高折射率奈米銀微粒，並將之添加到低折射率單體methyl methacrylate(MMA)中，以azobisisobutyronitrile(AIBN)為起始劑，利用旋轉離心擴散聚合法製作GI型PMMA塑膠光纖棒。聚合型界面活性劑的加入，可增加導入高折射率奈米銀微粒的量，增大塑膠光纖整體折射率差，進而使開口數(NA值)變大，提升光學特性。
藉由surfmer/MMA/H2O逆微胞系統製備銀奈米微粒，探討在不同製備變因下UV吸收光譜的特性差異，所形成之最終粒子大小，以及導入塑膠光纖棒後之光學特性影響，本文均有詳細討論。由結果得知，銀奈米微粒的平均粒徑介於4~10nm之間，而且隨著W值(H2O/surfactant莫耳比)的增加而增加。在W值固定下，銀奈米微粒的粒徑也隨著氧化劑AgNO3濃度與還原劑NaBH4濃度的提升而增大，但界面活性劑濃度的增加，對粒徑並無顯著的影響。另外，使用主鏈較長之界面活性劑，所得的銀奈米微粒粒徑也較小。

To increase the numerical number (NA) of optical fibers, a series of polymerizable surfactants (surfmers) were synthesized. Gradient refractive index (GI) rods were fabricated by the method of centrifugal diffusing polymerization. Silver nanoparticles were used as high refractive index materials and methyl methacrylate (MMA) was used as a reactive low refractive index monomer. The use of surfmers was found to increase the stability of nanoparticles in polymer matrix which lead to an increase in the capacity of the polymer matrix for nanoparticles. The existence of nanoparticles in the polymer matrix increases the refractive index of rods and the NA values of the rods increases as well.
The silver nanoparticles were prepared in a surfmer/MMA/H2O reverse micellar system. The dependence of the preparing conditions on the UV absorption spectra and the nanoparticle size distributions were studied. The optical characteristics of GI plastic rods with various amounts of silver nanoparticles were also estimated. It was found that nanoparticles fabricated in this investigation were between 4 and 10 nm. The dependence of the refractive index of rods on the existence of nanoparticles was investigated. Image transmission qualities through the GI plastic rods were also evaluated.

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