發送短信 : Random laser rn ZnO powder pumped by picosecond pulses

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