Surface Plasmon Resonance (SPR) - in a nano-particle for example, is caused by the collective oscillation of the conduction electrons, causing a distinct optical absorption.
If such a particle is placed in a very strong external electric field (such as in the middle of a MIM capacitor type arrangement) should it not then be possible to cause the static polarisation of these electrons, so that they are no longer free to resonate, effectively stopping the SPR and stopping their optical absorption - making the particle "transparent"?
Dear all, please search using 'attenuation of Surface Plasmon Resonance', many investigations are available. Please have a look at the following documents, hope they will be usefull somehow. My Regards
https://iopscience.iop.org/article/10.1088/2043-6262/5/3/035002
https://doi.org/10.1063/1.1924873
Dear Phil Denby . See the following useful links: https://www.spiedigitallibrary.org/journalArticle/Download?fullDOI=10.1117%2F1.JNP.8.083986
https://link.springer.com/content/pdf/10.1007%2F978-1-60761-670-2.pdf
Kindly see also the following useful RG link: Article Development of surface plasmon polariton-based nanolasers
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