Local electromagnetic fields surrounding gold nano-cap particles

IEEE Publishing Company
Publication Type:
Conference Proceeding
2006 International Conference on Nanoscience and Nanotechnology, 2006, pp. 1 - 4
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Using the discrete dipole approximation (DDA) the local electromagnetic fields surrounding gold nano-cap particles are investigated. Suitable k-vectors and polarization vectors of the incident light are used to determine the largest local electric field enhancement. The largest enhancement can be found for the 864 nm dipole resonance; where the field enhancement is approximately 30000 times the applied field. The electric field contours surounding the particle are used to assign the order of the surface plasmon resonance.
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