أرسل هذا في رسالة قصيرة: Comparative studies of passively mode-locked Nd:Gd0.64y 0.36VO4 laser and Nd:GdVO4 laser with semiconductor saturable absorber mirrors

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