Mechanical deformation sensor based on plasmonic nanoparticles
US10317341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2016 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Jan 28, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/4133
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus (517) comprising first and second plasmonic nanoparticles (502a, 502b) connected to one another by a deformable member (518), the first and second plasmonic nanoparticles each configured to exhibit a respective plasmon resonance when exposed to incident electromagnetic radiation (203), wherein, in a first configuration, the first and second plasmonic nanoparticles are in sufficient proximity to one another that their respective plasmon resonances can interact to produce a resulting plasmon resonance, and wherein mechanical deformation of the deformable member causes a variation in the relative position of the plasmonic nanoparticles to a second configuration to produce a detectable change in the resulting plasmon resonance of the first configuration which can be used to determine said mechanical deformation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.