Fluorescence enhancement and energy transfer in apertureless scanning near-field optical microscopy


Autoria(s): Huang, Fu Min; Richards, David; Huang, Fumin
Data(s)

01/04/2006

Resumo

<p>We investigate the mechanisms for fluorescence enhancement and energy transfer near a gold tip in apertureless scanning near-field optical microscopy. Using a simple quasi-static model, we show that the observed enhancement of fluorescence results from competition between enhancement and quenching, and is dependent on a range of experimental parameters. We find good qualitative agreement with the results of measurements of the effect of both sharp and blunt tips on quantum dot fluorescence, and provide a demonstration of tip-enhanced fluorescence imaging with 60 nm resolution.</p>

Identificador

http://pure.qub.ac.uk/portal/en/publications/fluorescence-enhancement-and-energy-transfer-in-apertureless-scanning-nearfield-optical-microscopy(2a066362-6c10-4cfb-8408-2eaae8103e33).html

http://dx.doi.org/10.1088/1464-4258/8/4/S25

Idioma(s)

eng

Direitos

info:eu-repo/semantics/restrictedAccess

Fonte

Huang , F M , Richards , D & Huang , F 2006 , ' Fluorescence enhancement and energy transfer in apertureless scanning near-field optical microscopy ' Journal of Optics A: Pure and Applied Optics , vol 8 , no. 4 , pp. S234-S238 . DOI: 10.1088/1464-4258/8/4/S25

Tipo

article