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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 1 - 8 (8page)
- DOI
- 10.1186/s40580-016-0095-5
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초록· 키워드
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Random lasing is desired in plasmonics nanostructures through surface plasmon amplification. In this study, tunable random lasing behavior was observed in dye molecules attached with Au nanorods (NRs), Au nanoparticles (NPs) and Au@Ag nanorods (NRs) respectively. Our experimental investigations showed that all nanostructures i.e., Au@AgNRs, AuNRs & AuNPs have intensive tunable spectral effects. The random lasing has been observed at excitation wavelength 532 nm and varying pump powers. The best random lasing properties were noticed in Au@AgNRs structure, which exhibits broad absorption spectrum, sufficiently overlapping with that of dye Rhodamine B (RhB). Au@AgNRs significantly enhance the tunable spectral behavior through localized electromagnetic field and scattering. The random lasing in Au@AgNRs provides an efficient coherent feedback for random lasers.
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참고문헌 (44)
참고문헌 신청
K. Okamoto / 2004 / Surfaceplasmon-enhanced light emitters based on InGaN quantum wells / Nat. Mater 3:601~605
F. Tam / 2007 / Plasmonic enhancement of molecular fluorescence / Nano Lett 7:496~501
W. L. Barnes / 2003 / Surface plasmon subwavelength optics / Nature 424:824~830
V. J. Sorger / 2009 / Plasmonic Fabry-Pérot nanocavity / Nano Lett 9:3489~3493
P. Bharadwaj / 2007 / Spectral dependence of single molecule fluorescence enhancement / Opt. Express 15:14266~14274
F. Tam / 2007 / Plasmonic enhancement of molecular fluorescence / Nano Lett 7:496~501
W. L. Barnes / 2003 / Surface plasmon subwavelength optics / Nature 424:824~830
V. J. Sorger / 2009 / Plasmonic Fabry-Pérot nanocavity / Nano Lett 9:3489~3493
P. Bharadwaj / 2007 / Spectral dependence of single molecule fluorescence enhancement / Opt. Express 15:14266~14274
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