[9p-PA6-1~9] 12.2 Characterization and Materials Physics

[9p-PA6-5] Interaction between Surface Plasmon Polariton and Waveguide Mode in Organic Crystalline Thin Film

〇Ikumi Inou¹, Masato Fujimoto¹, Akihiro Kondo¹, Naruki Teradaira¹, Kazuki Bando¹ (1.Shizuoka Univ.)

Keywords:surface plasmon polaritons, waveguide mode, organic crystal

In the present study, we have tried to observe interaction between a surface plasmon (SPP) and planer waveguide (PWG) modes in a single organic crystal. Because of a large optical anisotropy of the crystalline thin film, it can be expected to give rise to large plasmon effects. For this purpose, samples of SiO₂/ Ag / anthracene crystal / air / Ag / SiO₂ containing anthracene crystal and air layer between metal mirrors were prepared and the interaction between the SPP and the PWG modes was observed. Angle resolved transmission spectra of the sample was measured in index matching oil.