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

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