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

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Text this: Coherent transition radiation from short electron bunches