This provides radiation in all directions by using a unfold of wavelengths and no interrelationships among the person photons. This is referred to as spontaneous emission. ถ้าเครื่อง diode laser ที่ใช้ไม่ได้มาตรฐาน เสี่ยงเกิดผิวไหม้ Therefore a partially reflecting mirror is placed on either side from the diode to lure the photons emitted from https://penaiaf185qsu5.blogdiloz.com/profile