NASA STI/Recon Technical Report A
Optical pumping in sodium and lasing without inversion via coherent trapping
Dmitri E. Nikonov, Edward S. Fry, Marlan O. Scully, Shi-Yao Zhu
NASA STI/Recon Technical Report A
Dmitri E. Nikonov, Edward S. Fry, Marlan O. Scully, Shi-Yao Zhu