P.P. Sorokin, J.D. Axe, et al.
Journal of Applied Physics
Infrared laser action in helium-buffered Sr vapor, resulting from the combined effects of optical pumping and inelastic collisions, has been observed at 2.923, 2.692, and 2.602 μ. A dye laser was used for pumping. © 1969 The American Physical Society.
P.P. Sorokin, J.D. Axe, et al.
Journal of Applied Physics
J.H. Glownia, J. Misewich, et al.
Journal of the Optical Society of America B: Optical Physics
P.P. Sorokin, J.J. Wynne, et al.
Applied Physics Letters
J.H. Glownia, D.R. Gnass, et al.
Journal of the Optical Society of America B: Optical Physics