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  • 1607 (1).04313v1

    Accepted author manuscript, 189 KB, PDF document

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Customised mode profiles using functional materials

Research output: Contribution to Journal/MagazineJournal article

<mark>Journal publication date</mark>14/07/2016
Publication StatusPublished
<mark>Original language</mark>English


We show how to control the field profile on a sub-wavelength scale using a customised permittivity variation in a functional medium, thus avoiding the need to e.g. synthesize the shape from its Fourier harmonics. For applications such as beam dynamics, requiring field profile shaping in free space, we show that it is possible to achieve this despite using a slot in the medium.