Second-harmonic near-field optical micro
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J. Beermann; S. I. Bozhevolnyi
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Article
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2004
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John Wiley and Sons
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English
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Using a second-harmonic (SH) scanning near-field optical microscope (SNOM) working in transmission with an uncoated fiber tip, we obtain highly detailed fundamental harmonic (FH) and SH images of a โผ50-nm-thick gold film deposited on a glass substrate and containing a โผ830-nm-period array of slightl