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

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Text this: Optic fiber humidity sensor based on MZI-SMF.