發送短信 : Design of Ge/GeSi quantum well infrared photodetector

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