發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Theoretical comparison of 0.78% tensile strained InGaAs/InAlGaAs and InGaAs/InGaAsP quantum-well lasers emitting at 1.55 μm