Plasmon resonance spectral peak shift due to morphing of gold nanoparticles for strain sensing

Xiang Wang; Rinze Benedictus; Roger M. Groves

doi:10.1117/12.2619170

17 May 2022 Plasmon resonance spectral peak shift due to morphing of gold nanoparticles for strain sensing

Xiang Wang, Rinze Benedictus, Roger M. Groves

Proceedings Volume 12139, Optical Sensing and Detection VII; 121390S (2022) https://doi.org/10.1117/12.2619170
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

Nanoparticle doped optical fibres are a new topic of interest in fibre optic strain sensing. In our current work, we find that the plasmon resonance spectral peak shift of embedded gold NPs can be used as a novel strain detection method. When the refractive index change of the optical fibre under strain change is close to zero, the shape change induced plasmon resonance spectral peak shift will become quite important. In this work, we analysed the plasmon resonance spectral peak shift only caused by NP morphing for gold NPs diameters from 10 nm to 400 nm based on the T-matrix method on the high performance computing cluster.

Conference Presentation

Citation Download Citation

Xiang Wang, Rinze Benedictus, and Roger M. Groves "Plasmon resonance spectral peak shift due to morphing of gold nanoparticles for strain sensing", Proc. SPIE 12139, Optical Sensing and Detection VII, 121390S (17 May 2022); https://doi.org/10.1117/12.2619170

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