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  _____      ___      _____      ___     _    _   
 |__  //    / _ \\   |__  //    / _ \\  | |  | || 
   / //    / //\ \\    / //    / //\ \\ | |/\| || 
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 /_____|| |_||  |_|| /_____|| |_||  |_|||_// \_|| 
 `-----`  `-`   `-`  `-----`  `-`   `-` `-`   `-`

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Text this: A real-time digital shearing speckle interferometer