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

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Text this: Review on photonic crystal fibers with hybrid guiding mechanisms