LASER Diode
YOUR LINK HERE:
http://youtube.com/watch?v=ydyDcILWDNo
#laser#laserdiode#pnjunction#?pnjunctiondiode#holes#electrons#photons#rocombination#stasmartclasses#conductionband#valanceband#energygap#laserlight#semiconductor#electronicsdevices#electronic#player#nlayer#ddepletionregion#
#############################
