Local Field Spectroscopy of Metal Dimers by TPL Microscopy |
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| Authors: | D ten Bloemendal P Ghenuche R Quidant I G Cormack P Loza-Alvarez G Badenes |
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| Institution: | (1) ICFO-Institut de Ciències Fotòniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain;(2) Apllied Optics Group, Faculty of Science and Technology and MESA+, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands |
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| Abstract: | We report on two-photon photoluminescence (TPL) spectroscopy on metal dimers made of two gold nanoparticles separated by subwavelength distances. A direct comparison with far-field scattering measurements shows that TPL provides additional data on the structure modes of major importance for their use in surface-enhanced Raman scattering, enhanced fluorescence, and sensing. |
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| Keywords: | Plasmons Two-photon photoluminescence Near-field optics |
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