5 Simple Statements About เลเซอร์กำจัดขน Explained
เลเซอร์บิกินี่ เลเซอร์บราซิลเลี่ยนA laser diode is often a semiconductor device that transmits coherent and really targeted light-weight by way of a process identified as stimulated emission. It comprises a p-n junction, where electrons and holes Blend, releasing Vitality as photons.