發送短信 : Formation of periodic structures on glass with laser irradiation

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