5 Easy Facts About diode laser Described
A laser diode has a threshold for the equipped present. It does not operate till the current exceeds the threshold. Down below the threshold limit, the laser diode won't emit light-weight but only on account of spontaneous emission.มาบอกลาปัญหาเรื่อง กำจัดขน ด้วยเทคโนโลยี