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Calculated electric-field enhancement at the plasmon resonance of a gold sphere of radius 10 nm. Field intensity is color-coded from low (black) to high (white); the central black ring is the boundary of the sphere. |
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Calculated electric-field enhancement at the plasmon resonance of a gold sphere of radius 10 nm. Field intensity is color-coded from low (black) to high (white); the central black ring is the boundary of the sphere. |