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- Title
Multispectral Narrowband Frustrated Total Internal Reflection Filter with Inclusions of Plasmonic Nanoparticles.
- Authors
Petrov, Nikolai I.
- Abstract
A spatial-frequency thin-film filter with inclusions of nanoparticles operating in the visible range of the spectrum is investigated. The effect of nanoparticles embedded in the central and lateral layers of the frustrated total internal reflection filter on the spectral characteristics, considering the frequency dispersion, is investigated. It is shown that plasmonic effects cause the splitting of the filter bandwidth into a set of narrow-band spectral lines and the angular splitting of the incident beam into a set of output beams. It is demonstrated that due to the difference in the resonance conditions for s- and p-polarization waves, the spectral lines of transparency do not coincide, which indicates the possibility of using the filter as a polarizer.
- Subjects
PLASMONICS; DICHROIC filters; SPECTRAL lines; NANOPARTICLES; VISIBLE spectra
- Publication
Photonics, 2024, Vol 11, Issue 2, p180
- ISSN
2304-6732
- Publication type
Article
- DOI
10.3390/photonics11020180