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  ______   _    _    __   _      ___     ______   
 /_   _// | || | || | || | ||   / _ \\  |      \\ 
 `-| |,-  | || | || | '--' ||  / //\ \\ |  --  // 
   | ||   | \\_/ || | .--. || |  ___  |||  --  \\ 
   |_||    \____//  |_|| |_|| |_||  |_|||______// 
   `-`'     `---`   `-`  `-`  `-`   `-` `------`

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Text this: A tunable multiband chirped metasurface