Physics Letters A
Observation of persistent multiple-holes for 4F3/2(1)–4I9/2 transition of Nd3+ ion doped silicate glass fiber using diode laser
Ryuzi Yano, Naoshi Uesugi, Tsuneo Fukuda, Yoshiro Takahashi
Physics Letters A
Ryuzi Yano, Naoshi Uesugi, Tsuneo Fukuda, Yoshiro Takahashi