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

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Text this: Fiber-optic bend sensor using LP21 mode operation