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Surface plasmon sensing with different metals in single and double layer configurations |
Applied Optics, Vol. 51, Issue 27, pp. 6673-6682 (2012)
http://dx.doi.org/10.1364/AO.51.006673
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Abstract
The resolution of surface plasmon resonance sensors in the geometry of Kretschmann is estimated by numerical simulation for different thicknesses of combinations of silver (Ag), copper, and aluminum (Al) metallic layers with a gold coating layer at set of wavelengths in cases of detecting the change of the refractive index of the bulk medium and the change in optical thickness of an adsorption layer. The lowest resolution among the examined combinations of the sensors is achieved with a single Al layer for ultraviolet region and with a single Ag layer for longer wavelengths.
© 2012 Optical Society of America
OCIS Codes
(130.6010) Integrated optics : Sensors
(240.6680) Optics at surfaces : Surface plasmons
(260.5740) Physical optics : Resonance
(280.4788) Remote sensing and sensors : Optical sensing and sensors
ToC Category:
Optics at Surfaces
History
Original Manuscript: April 4, 2012
Revised Manuscript: August 9, 2012
Manuscript Accepted: August 9, 2012
Published: September 20, 2012
Citation
Dmitry V. Nesterenko, Saif-ur-Rehman, and Zouheir Sekkat, "Surface plasmon sensing with different metals in single and double layer configurations," Appl. Opt. 51, 6673-6682 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-27-6673
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