Upconversion lasers without population inversion
Article
Zhu, Y. (1994). Upconversion lasers without population inversion
. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 11(5), 943-948. 10.1364/JOSAB.11.000943
Zhu, Y. (1994). Upconversion lasers without population inversion
. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 11(5), 943-948. 10.1364/JOSAB.11.000943