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Extraordinary optical absorption through subwavelength slits
Extraordinary optical subwavelength slits
2015/8/10
We report on the ability of resonant plasmonic slits to efficiently concentrate electromagnetic energy into a nanoscale volume of absorbing material placed inside or directly behind the slit. Th...
Guided modes supported by plasmonic films with a periodic arrangement of subwavelength slits
periodic arrangement subwavelength slits
2015/8/11
We calculate the guided band diagram of a metallic film with a one-dimensional periodic arrangement of cut-through subwavelength slits. We find that this system supports two distinct types...