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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
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[Research on symmetrical optical waveguide based surface plasmon resonance sensing with spectral interrogation]
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|May 15, 2015
Summary
We developed a novel symmetrical optical waveguide (SOW) SPR sensor for sensitive glucose detection. This fiber-optic based system achieves high refractive index resolution, enabling miniaturized, remote, and on-site analysis.
Area of Science:
- Optoelectronics
- Biosensing
- Nanotechnology
Background:
- Surface plasmon resonance (SPR) sensors offer remote sensing capabilities via fiber optics.
- Conventional SPR sensors face limitations in performance and miniaturization.
- Symmetrical optical waveguide (SOW) SPR enhances performance by matching buffer media refractive indices.
Purpose of the Study:
- To develop a Symmetrical Optical Waveguide (SOW) SPR sensor with wavelength interrogation for glucose sensing.
- To evaluate the performance and potential applications of the developed SOW SPR sensor.
Main Methods:
- Fabrication of a MgF2-Au-MgF2 film as the SOW module.
- Integration with a fiber-based light source and detection system for spectral interrogation.
- Utilized wavelength interrogation for refractive index measurements.
Main Results:
- Achieved a high refractive index resolution of 2.8 x 10^-7 RIU in a fluid protocol.
- Demonstrated the effectiveness of the SOW SPR configuration for glucose sensing.
- The system exhibited potential for miniaturization and on-site analysis.
Conclusions:
- The developed SOW SPR sensor offers high resolution and performance.
- This technique is suitable for compact designs, enabling on-site and remote sensing applications.
- The MgF2-Au-MgF2 SOW module shows promise for advanced biosensing platforms.
