Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7928780 | Optics Communications | 2016 | 8 Pages |
Abstract
Grating assisted surface plasmon resonance waveguide grating has been designed and optimized for the sensing application. Adaptive particle swarm optimization in conjunction with derivative free method for mode computation has been used for design optimization of LPWG sensor. Effect of metal thickness and cladding layer thickness on the core mode and surface plasmon mode has been analyzed in detail. Results have been utilized as benchmarks for deciding the bounds of these variables in the optimization process. Two waveguides structures have been demonstrated for the grating assisted surface plasmon resonance refractive index sensor. The sensitivity of the designed sensors has been achieved 3.5Ã104Â nm/RIU and 5.0Ã104Â nm/RIU with optimized waveguide and grating parameters.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Girish Semwal, Vipul Rastogi,