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

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Text this: A tunable multiband chirped metasurface