ArticleSensors (Basel, Switzerland)2019
The Sensitivity of Grating-Based SPR Sensors with Wavelength Interrogation.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Double-Sided Illumination Grating-Coupled Surface Plasmon Resonance Sensors Using Direct Optical Discs.Materials (Basel, Switzerland) · 2026Article
- Fabrication and Plasmonic Characterization of Metasurfaces Patterned via Tunable Pyramidal Interference Lithography.Micromachines · 2026Article
- Surface Plasmon Resonance-Based Biodetection Systems: Principles, Progress and Applications-A Comprehensive Review.Biosensors · 2025Review
- Grating Structures for Silver-Based Surface Plasmon Resonance Sensors with Adjustable Excitation Angle.Sensors (Basel, Switzerland) · 2024Article
- Performance of Grating Couplers Used in the Optical Switch Configuration.Sensors (Basel, Switzerland) · 2023Article
- The Design of a Glycerol Concentration Sensor Based on an LRSPP Hybrid Photonic Biosensor.Sensors (Basel, Switzerland) · 2023Article
- The Current Status and Future Promise of SPR Biosensors.Biosensors · 2022Article
- Giant Extra-Ordinary Near Infrared Transmission from Seemingly Opaque Plasmonic Metasurface: Sensing Applications.Plasmonics (Norwell, Mass.) · 2022Article
- IP-Dip-Based SPR Structure for Refractive Index Sensing of Liquid Analytes.Nanomaterials (Basel, Switzerland) · 2021Article
- A Review of Graphene-Based Surface Plasmon Resonance and Surface-Enhanced Raman Scattering Biosensors: Current Status and Future Prospects.Nanomaterials (Basel, Switzerland) · 2021Review
- An Ensemble Filter for Indoor Positioning in a Retail Store Using Bluetooth Low Energy Beacons.Sensors (Basel, Switzerland) · 2019Article
- Sensitivity of Safe Trajectory in a Game Environment to Determine Inaccuracy of Radar Data in Autonomous Navigation.Sensors (Basel, Switzerland) · 2019Article
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Authors and funding
4 authors.
Funding
Abstract
In this paper, we derive the analytical expression for the sensitivity of grating-based surface plasmon resonance (SPR) sensors working in wavelength interrogation. The theoretical analysis shows that the sensitivity increases with increasing wavelength and is saturated beyond a certain wavelength for Au and Ag gratings, while it is almost constant for Al gratings in the wavelength range of 500 to 1000 nm. More importantly, the grating period (P) and the diffraction order (m) dominate the value of sensitivity. Higher sensitivity is possible for SPR sensors with a larger grating period and lower diffraction order. At long wavelengths, a simple expression of P/|m| can be used to estimate the sensor sensitivity. Moreover, we perform experimental measurements of the sensitivity of an SPR sensor based on an Al grating to confirm the theoretical calculations.
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