Coupling of molecular vibration and metasurface modes for efficient mid-infrared emission
Yoshiaki Nishijima, Shinya Morimoto, Armandas Balčytis, Tomoki Hashizume, Ryosuke Matsubara, Atsushi Kubono, Naoki To, Meguya Ryu, Junko Morikawa, Saulius Juodkazis
Abstract
We demonstrate extraordinarily spectrally selective narrowband mid-infrared radiation via coupling of plasmon resonance and molecular vibration. Absorbance and thermal emittance with resonant peak FWHM ≤ 124 nm at λ = 5.73 μm, corresponding to a Q -factor of ∼92.3 were obtained.
Topics & Concepts
Materials scienceNarrowbandInfraredFull width at half maximumCoupling (piping)AbsorbancePlasmonResonance (particle physics)Thermal emittanceInfrared spectroscopyVibrationMolecular vibrationOptoelectronicsOpticsMolecular physicsAtomic physicsPhysicsComposite materialBeam (structure)Raman spectroscopyQuantum mechanicsThermal Radiation and Cooling TechnologiesStrong Light-Matter InteractionsPlasmonic and Surface Plasmon Research