A Study of Plasmon-Coupled Fluorescence of Rhodamine 6G on Thin Nickel Films

Dmitriev, A. D.; Saletsky, A. M.

doi:10.1134/s0030400x19080095

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2022

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“…A recently emerging technique called surface plasmon coupled emission (SPCE) has been investigated by combining SPR technique with fluorescence technology based on Reverse-Kretschmann (RK) configuration. SPCE is a detection method whereby excited fluorophores were coupled with plasmon resonance oscillations of electrons in metal films such as gold (Au) and silver (Ag) providing fluorescence enhancement, control, steering, and directivity [19], [20], [21], [22], [23], [24], [25], [26].…”

Section: Introductionmentioning

confidence: 99%

Copper-based surface plasmon coupled emission steering for biosensor applications

Vijayan

Sreelakshmi²,

Sharin³

et al. 2022

J. Phys.: Conf. Ser.

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Surface plasmon coupled emission (PCE) was demonstrated using Copper (Cu) as metal film and Rhodamine B (RhB) dye doped Poly Vinyl Alcohol (PVA) as dielectric layer coupled to a hemicylindrical prism in Reverse Kretschmann (RK) configuration. Emission directionality was observed due to PCE and the dielectric layer thicknesses highly influence PCE emission steering. A correlation of emission directionality and the dielectric layer thickness was achieved. For dielectric with higher thicknesses, PCE tuning was also observed apart from emission steering. Emission steering and a promising PCE tuning in Cu could pave the way for a cost effective PCE based bio-chemical sensor.

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