發送短信

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            ______    _____    _    _    _    _   
    ___    /_   _//  |__  //  | || | || | |  | || 
   /   ||   -| ||-     / //   | || | || | |/\| || 
  | [] ||   _| ||_    / //__  | \\_/ || |  /\  || 
   \__ ||  /_____//  /_____||  \____//  |_// \_|| 
    -|_||  `-----`   `-----`    `---`   `-`   `-` 
     `-`

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發送短信 : In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber