AI Article Synopsis
- The study explores how metallic nanoparticles on a glass substrate, covered with a liquid-crystal material, can be manipulated for resonance tuning.
- By changing the orientation of the optical axis at normal incidence, researchers found a straightforward method to adjust the optical resonance of the system.
- The research also examines how various parameters affect the range of this tunable resonance width.
Article Abstract
We numerically investigate arrays of metallic nanoparticles deposited on a glass substrate and covered by a liquid-crystal material. Extinction spectra at normal incidence are computed using the finite-difference time-domain method, and we show that by rotating the optical axis around an axis orthogonal to the main direction of illumination, it is possible to tune the resonance of the system according to a simple law. The spectral width of the tunability is studied as a function of different parameters.
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| http://dx.doi.org/10.1364/OL.34.002652 | DOI Listing |
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