| Summary: | 碩士 === 國立中央大學 === 光電科學與工程學系 === 101 === Theoretically, we justify the degree of phase matching between the mode of D-fiber and that of surface plasmon wave at various clad thickness. By employing grating structure, the guide mode can be effectively coupled to the surface plasmon wave.
Experimentally, the D-fiber based surface Raman sensor was realized by side-polish of the fiber, self-assembly of microsphere grating and sputter the silver film. Sequentially, Rhodamine 6G was used as the prototype molecule and six vibrational bands was successfully identified.
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