Using an external cavity with holographic grating, we demonstrate the spectral narrowing of a high power broad-area-diod......

近年来,随着自旋交换光泵浦、半导体泵浦碱金属激光以及高效全固态激光等的发展,对窄线宽大功率半导体激光的需求日趋迫切。虽然目......