เลเซอร์ขนกี่ครั้งเห็นผล ต้องทำกี่ครั้งถึงหายถาวร ? The emission wavelength (Centre from the optical spectrum) of multimode LDs is frequently temperature delicate, normally with an increase of ≈ 0.3 nm per one K temperature increase, resulting from the temperature dependence in the acquire optimum. (The temperature influences the thermal populace distributions while in the https://garrisons630fjm2.westexwiki.com/user