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   _____    _____     ______     ___      _____   
  / ___//  |  ___||  /_____//   / _ \\   / ____|| 
  \___ \\  | ||__    `____ `   | / \ || / //---`' 
  /    //  | ||__    /___//    | \_/ || \ \\___   
 /____//   |_____||  `__ `      \___//   \_____|| 
`-----`    `-----`   /_//       `---`     `----`  
                     `-`

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Text this: Homogenous Metamaterial Description of Localized Spoof Plasmons in Spiral Geometries