Plasmon excitation by the gaussian-like core mode of a...

Details Plasmon excitation by the gaussian-like core mode of a... Plasmon excitation by the gaussian-like core mode of a...

2007-04-24

2008-12-02

Lauchman, L. G. (Department: 2877)

Optics: measuring and testing

Of light reflection

With modulation

C356S445000, C356S448000, C372S039000, C372S096000, C385S014000, C385S123000

Reexamination Certificate

active

07460238

ABSTRACT:
A sensor and method for surface plasmon resonance sensing, wherein a small variation of the refractive index of an ambient medium results in a large variation of loss of a sensing mode. The surface plasmon resonance sensor comprises an antiguiding waveguide including a core characterized by a refractive index and a reflector surrounding the core. The reflector has an external surface and is characterized by a band gap and a refractive index higher than the refractive index of the core. A coating is deposited on the external surface of the core, the coating defining with the ambient medium a coating/ambient medium interface. In operation, the coating is in contact with the ambient medium, and the antiguiding waveguide is supplied with an electromagnetic radiation to (a) propagate a mode for sensing having an effective refractive index lower than the refractive index of the core and higher than a refractive index of an ambient medium and (b) produce surface plasmons at the coating/ambient medium interface. The mode for sensing is phase-matched with the surface plasmons at a wavelength within the band gap and a variation of the refractive index of the ambient medium results in a variation of loss of the sensing mode to detect a characteristic of the ambient medium.

REFERENCES:
patent: 6180415 (2001-01-01), Schultz et al.
patent: 7015471 (2006-03-01), Franzen et al.
patent: 7148516 (2006-12-01), Gruhlke
Ctyroky et al., “Theory and Modelling of Optical Waveguide Sensors Utilising Surface Plasmon Resonance,”, Sensors and Actuators B 54, Elsvier Science S. A.,1999, pp. 66-73.
Dostalek et al., “Surface Plasmon Resonance Biosensor Based on Integrated Optical Waveguide,” Sensors and Actuators B 76, Elsvier Science S. A., 2001, pp. 8-12.
Grigorenko et al., “Phase Jumps and Interferometric Surface Plasmon Resonance Imaging,”, Applied Physics Letters, American Institute of Physics, vol. 75, No. 25, Dec. 20, 1999, pp. 3917-3919.
Gupta et al., “Sensitivity Evaluation of a Multi-Layered Surface Plasmon Resonance-based Fiber Optic Sensor: a Theoretical Study,” Sensors and Actuators B 107, Elsvier Science S. A., 2005, pp. 40-46.
Harris et al., “Waveguide Surface Plasmon Resonance Sensors,” Sensors and Actuators B 29, Elsvier Science S. A., 1995, pp. 261-267.
Homola et al., “A Surface Plasmon Resonance Based Integrated Optical Sensors,” Sensors and Actuators B38-39, Elsvier Science S. A., 1997, pp. 286-290.
Johnson et al., “Low-loss Asymptotically Single-Mode Propagation in Large-core OmniGuide Fibers,” Optics Express, Vo,. 19, No. 13, Dec. 17, 2001, pp. 748-779.
Kabashin et al., “Surface Plasmon Resonance Interferometer for Bio- and Chemical-Sensors,” Optics Communications 150, Elsvier Science S. A., 1998, pp. 5-8.
Karalis et al., “Surface-Plasmon-Assisted Guiding of Broadband Slow and Subwavelength Light in Air,” Physical Review Letters, PRL 95, The American Physical Society, Aug. 2005, pp. 063901-1-0639014.
Melendez et al., “A Commercial Solution for Surface Plasmon Sensing,” Sensors and Actuators B 35-36, Elsvier Science S. A., 1996, pp. 212-216.
Sheridan et al., “Phase Interrogation of an Integrated Optical SPR Sensor,” Sensors and Actuators B 97, Elsvier Science S. A., 2004, pp. 114-121.
Shin et al., “All-Angle Negative Refraction for Surface Plasmon Waves Using a Metal-Dielectric-Metal Structure,” Physical Review Letters, PRL 96, The American Physical Society, Feb. 24, 2006, pp. 073907-1-073907-4.
Shin et al., “Omnidirectional Resonance in a Metal-Dielectric-Metal Geometry,” Applied Physics Letters, American Institute of Physics, vol. 84, No. 22, May 31, 2004, pp. 4421-4423.
Skorobogatiy, “Transverse Light Guides in Microstructured Optical Fibers,” Optics Letter, Optical Society of America, vol. 31, No. 3, Feb. 1, 2006, pp. 314-316.
Weiss et al., “Experimental Investigation of a Surface Plasmon-Based Integrated-Optic Humidity Sensor,” Electronic Letters, vol. 32, No. 9, Apr. 1996, pp. 842-843.
Weisser et al., “Refractive Index and Thickness Determination of Monolayers by Multi Mode Waveguide Coupled Surface Plasmons,” Sensors and Actuators B 56, Elsvier Science S. A., 1999, pp. 189-197.
Zhang et al., “Optical Chemical Sensing Employing Surface Plasmon Resonance,” Electronics Letters, vol. 24, No. 23, Nov. 1988, pp. 1469-1470.

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