期刊
MATERIALS TODAY-PROCEEDINGS
卷 66, 期 -, 页码 2133-2137出版社
ELSEVIER
DOI: 10.1016/j.matpr.2022.05.561
关键词
Surface plasmon resonance; Multilayers; Fluorescence; Seonsors
资金
- DST -FIST India [SR/FST/College-325/2016]
- DCE, Kerala
In this study, surface plasmon coupled emission (SPCE) was demonstrated by coupling a Metal-Dielectric-Metal Planar (MDMP) structure to a hemicylindrical prism using the Reverse Kretchmann configuration. The results showed that higher dielectric thickness enhanced the emission efficiency.
Surface plasmon coupled emission (SPCE) was demonstrated in Metal-Dielectric-Metal Planar (MDMP) structure by coupling MDMP structure to a hemicylindrical prism by Reverse Kretchmann configuration. Here silver and Fluorescein dye dispersed in polyvinyl Alcohol (PVA) were used as metal and dielectric layers respectively. Due to the combined effect of (1) confinement of photon mode within MDMP struc-ture and (2) excitation of plasmon modes by RK configuration, highly directional and enhanced emission was observed. Dependence of SPCE emissions on input excitation power were studied. Higher dielectric thickness (-600 nm) shows a better emission efficiency as compared to lower dielectric thickness (-140 nm). Our simulation results show that a higher field distribution within MDMP structure for dielectric thickness of 600 nm resulting in better surface plasmon emission coupling and hence in better emission efficiency.Copyright (c) 2022 Elsevier Ltd. All rights reserved.Selection and peer-review under responsibility of the scientific committee of 2022 International Confer-ence on Recent Advances in Engineering Materials.
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