Resonant interactions of plasmonic nanoparticles with alkali-metal atoms

The paper theoretically considers plasmon resonance in a spheroidal gold nanoparticle in the presence of a resonantly absorbing medium of atomic alkali-metal vapors via the quasi-static approximation and the model of coupled oscillators. A theoretical estimate of the minimum concentration of atomic...

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Veröffentlicht in:	Optical and quantum electronics 2020-03, Vol.52 (3), Article 134
Hauptverfasser:	Nigmatulin, F. O., Vartanyan, T. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Alkali metals Characterization and Evaluation of Materials Computer Communication Networks Electrical Engineering Engineering Engineering, Electrical & Electronic Fundamentals of Laser Assisted Micro- & Nanotechnologies 2019 Lasers Metal vapors Nanoparticles Optical Devices Optics Oscillators Photonics Physical Sciences Physics Physics and Astronomy Quantum Science & Technology Resonant interactions Science & Technology Technology
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Zusammenfassung:	The paper theoretically considers plasmon resonance in a spheroidal gold nanoparticle in the presence of a resonantly absorbing medium of atomic alkali-metal vapors via the quasi-static approximation and the model of coupled oscillators. A theoretical estimate of the minimum concentration of atomic vapors required for experimental observation of changes in the plasmon absorption peak due to the interaction of the plasmon with atoms has been performed.
ISSN:	0306-8919 1572-817X
DOI:	10.1007/s11082-020-2259-0