A.F-P腔激光器(法布里—珀羅諧振腔) B.單異質(zhì)結(jié)半導(dǎo)體激光器 C.同質(zhì)結(jié)半導(dǎo)體激光器 D.雙異質(zhì)結(jié)半導(dǎo)體激光器
A.自發(fā)輻射 B.自發(fā)吸收 C.受激輻射 D.受激吸收
A.I<Ith B.I<Ib C.I>Ith D.I<Is