H. Harde, Søren Keiding, et al.
Physical Review Letters
Raman-shifted ruby-laser light on the high-frequency side of the P322 resonance line (7665) of potassium was self-focused by a dilute potassium gas. © 1970 The American Physical Society.
H. Harde, Søren Keiding, et al.
Physical Review Letters
D. Grischkowsky
Applied Physics Letters
D. Grischkowsky, Ming L. Yu, et al.
Surface Science
Søren R. Keiding, D. Grischkowsky
Optics Letters