MEASUREMENT OF ENERGY GAP(Eg) VALUES FOR Ga_xIn_(1-x)As_yP_(1-Y)/InP LPE LAYERS AT ROOM TEMPERATURE BY OPTICAL ABSORPTION METHOD

• 光吸收法检测Ga_xIn_(1-x)As_yP_(1-y)/InP双异质结液相外延片的室温禁带宽度