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Title: Fractal diabolo antenna for enhancing and confining the optical magnetic field

We introduce fractal geometry to diabolo nanoantenna for higher magnetic field intensity enhancement, i.e. the SierpiƄski triangle diabolo antenna (STDA). Numerical results show that higher iteration of the STDA is responsible for the higher enhancement and the red shift of the resonant wavelength. Further investigation demonstrates the enhancement can be improved by increasing the length of the antenna or its central strip. By designing diabolo antennas with fractal geometry, improving the magnetic field intensity enhancement and varying the resonance conditions can be achieved while keeping the constant antenna dimensions.
Authors:
;  [1] ;  [2]
  1. Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072 (China)
  2. South University of Science and Technology, 1088 Xue-Yuan Road, Shenzhen, Guangdong, 518055 (China)
Publication Date:
OSTI Identifier:
22251580
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Advances; Journal Volume: 4; Journal Issue: 1; Other Information: (c) 2014 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ANTENNAS; MAGNETIC FIELDS; RED SHIFT; WAVELENGTHS