Nina S. Aminah, Putri H. Liani, R. Hidayat, M. Djamal, Hendro
Improvement of tapered fiber sensor by introducing gold thin layer for facilitating surface plasmon resonance (SPR) generation has been studied. The design of structure has been investigated to generate SPR effectively by a finite element method. The particular interest in this problem is the conditions that determine the formation of evanescent field and the interrogation of the transmission intensity change due to the evanescent field absorption. The fabrication of the tapered fiber was conducted by a technique based on flame brushing. The gold nanolayer was then deposited onto the surface of tapered fiber by sputtering technique. Qualitative agreement between the modeling and experiment results found. The results suggest that a compact sensor based on this structure may be useful for biochemical sensors. © 2017 Trans Tech Publications, Switzerland.
Theoretical High Energy Physics and Instrumentation Research Group, ITB, Indonesia; Physics of Magnetic and Photonics Group, ITB, Indonesia; Prodi Fisika, Institut Teknologi Sumatera, Indonesia
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