Modification of UV surface plasmon resonances in aluminum hole-arrays with graphene

Yunshan Wang; Sourangsu Banerji; Jieying Mao; Sara Arezoomandan; Berardi Sensale-Rodriguez; Steve Blair

doi:10.1117/12.2274685

25 August 2017 Modification of UV surface plasmon resonances in aluminum hole-arrays with graphene

Yunshan Wang, Sourangsu Banerji, Jieying Mao, Sara Arezoomandan, Berardi Sensale-Rodriguez, Steve Blair

Proceedings Volume 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV; 103461H (2017) https://doi.org/10.1117/12.2274685
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

Abstract

Tunable UV devices can enable enhanced functionalities such as multiplexed sensing, wavelength-tunable light emission and so on. Interestingly, in the UV range, graphene shows a tunable optical absorption due to pi-plasmon resonance. In this work we study the UV transmission through monolayer graphene films transferred on top of aluminum hole-arrays. Transmittance though the hole-array was measured before and after graphene transfer. Interaction of graphene pi-plasmons with surface plasmon resonances leads to strong wavelength shifts, i.e. the surface plasmon resonance at the top-interface red-shifts when graphene is added. Furthermore, it is observed that maximum shift occurs in the 280 to 310 nm wavelength range. This is attributed to an enhanced graphene optical conductivity owed to pi-plasmons.

Conference Presentation

Citation Download Citation

Yunshan Wang, Sourangsu Banerji, Jieying Mao, Sara Arezoomandan, Berardi Sensale-Rodriguez, and Steve Blair "Modification of UV surface plasmon resonances in aluminum hole-arrays with graphene", Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103461H (25 August 2017); https://doi.org/10.1117/12.2274685

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