5 Simple Statements About diode laser คือ Explained
A laser diode contains a threshold for the supplied existing. It doesn't work until finally The present exceeds the brink. Underneath the brink Restrict, the laser diode would not emit light-weight but only as a consequence of spontaneous emission.มาบอกลาปัญหาเรื่อง กำจัดขน ด้วยเทคโ