Direct measurement of the single-metal-cluster optical absorption |
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| Authors: | Arbouet A Christofilos D Del Fatti N Vallée F Huntzinger J R Arnaud L Billaud P Broyer M |
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| Institution: | Centre de Physique Moléculaire Optique et Hertzienne, CNRS, 351 cours de la Libération, 33405 Talence, France. |
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| Abstract: | The absorption of a single isolated metal cluster is directly measured using a novel far-field optical technique based on modulation of its position. Single gold nanoparticles with average diameters down to 5 nm, dispersed on a transparent substrate, are optically detected and their absolute absorption cross section determined. |
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