A photon with the right wavelength being absorbed by a transition may lead to an electron to drop from the upper for the decrease level, emitting a different photon. The emitted photon accurately matches the initial photon in wavelength, section, and route. This process is termed stimulated emission. การประยุกต์ใช้เลเซอร์เซมิคอนดักเตอร์ในสาขาเทคโนโลยีต่างๆ The https://marvinf084qtw6.azzablog.com/profile