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Article overview
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Mapping individual electromagnetic field components inside a photonic crystal | | T. Denis
; B. Reijnders
; J. H. H. Lee
; P. J. M. van der Slot
; W. L. Vos
; K.-J. Boller
; | | Date: |
9 Jul 2012 | | Abstract: | We present a method to map the absolute electromagnetic field strength inside
photonic crystals. We apply the method to map the electric field component Ez
of a two-dimensional photonic crystal slab at microwave frequencies. The slab
is placed between two mirrors to select Bloch standing waves and a
subwavelength spherical scatterer is scanned inside the resulting resonator.
The resonant Bloch frequencies shift depending on the electric field at the
position of the scatterer. To map the electric field component Ez we measure
the frequency shift in the reflection and transmission spectrum of the slab
versus the scatterer position. Very good agreement is found between
measurements and calculations without any adjustable parameters. | | Source: | arXiv, 1207.2004 | | Services: | Forum | Review | PDF | Favorites | |
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