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ERIC Number: EJ931323
Record Type: Journal
Publication Date: 2011-Mar
Pages: 15
Abstractor: As Provided
Reference Count: 15
ISSN: ISSN-0143-0807
Laboratory Experiments for Exploring the Surface Plasmon Resonance
Pluchery, Olivier; Vayron, Romain; Van, Kha-Man
European Journal of Physics, v32 n2 p585-599 Mar 2011
The surface plasmon wave is a surface wave confined at the interface between a dielectric and a metal. The excitation of the surface plasmon resonance (SPR) on a gold thin film is discussed within the Kretschmann configuration, where the coupling with the excitation light is achieved by means of a prism in total reflection. The electromagnetic principles are detailed and a simple experimental setup is described that can be used for laboratory experiments for senior students in the third or fourth year of university. This experiment allows accurate determination of the angle of plasmon extinction and discussion of the principles of biosensors based on the SPR. A slight modification of the setup allows the investigation of the dependence of SPR on wavelength and illustrates the damping of SPR due to its coupling with the interband transitions of the gold thin film. (Contains 7 figures.)
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A