Photosensitized ionization in potassium and sodium vapors excited by resonance lines

Excitation transfer from second to first resonance line of potassium observed in hot atomic vapor

Excitation transfer from the Second to the First resonance line of Potassium observed in a hot atomic vapor

Resonance Line Radiation from Spin Polarized Sodium and Potassium Atoms

Induced emission at resonance frequencies of the D lines in potassium atom vapor

Wave mixing and amplified spontaneous emission in pure potassium and mixed sodium-potassium vapors

Observation of fluorescence from high-lying states of potassium in a sodium-potassium mixture upon resonant laser excitation