Text this: Effect of the location and size of a single crack on first fundamental frequency of a cantilever beam using fiber optic polarimetric sensors and characterisation of FBG sensors

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