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

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Text this: Coherent transition radiation from short electron bunches