A.W. Smith, J.A. Armstrong
Physics Letters
Strong optical absorption lines have been almost totally saturated in two phthalocyanine molecules. A giant pulse ruby laser served as the source of intense resonance radiation. The qualitative behavior of the nonlinear absorption is in good agreement with theory. © 1965 The American Institute of Physics.
A.W. Smith, J.A. Armstrong
Physics Letters
J.W. Shelton, J.A. Armstrong
IEEE JQE
A.W. Smith, M.I. Nathan, et al.
Journal of Applied Physics
Archibald W. Smith, J.A. Armstrong
Physical Review Letters