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  Measurement of the complex dielectric constant of a single gold nanoparticle

Stoller, P., Jacobsen, V., & Sandoghdar, V. (2006). Measurement of the complex dielectric constant of a single gold nanoparticle. Optics Letters, 31, 2474-2476. doi:10.1364/OL.31.002474.

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Stoller, Patrick1, Author
Jacobsen, Volker1, Author
Sandoghdar, Vahid2, Author           
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: A differential interference contrast microscopy technique that employs a photonic crystal fiber as a white-light source is used to measure both the real and the imaginary part of the complex dielectric constant of single 10 and 15 nm gold nanoparticles over a wavelength range of 480 to 610 run. Noticeable deviations from bulk gold measurements are observed at short wavelengths and for individual particles even after taking into account finite-size surface damping effects. (c) 2006 Optical Society of America.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: DOI: 10.1364/OL.31.002474
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Title: Optics Letters
Source Genre: Journal
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Publ. Info: Washington : Optical Society of America
Pages: - Volume / Issue: 31 Sequence Number: - Start / End Page: 2474 - 2476 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435