A rich spectrum from potassium vapor on the 42 S 1/2?32 D 5/2 two-photon resonance

Collisional redistribution of energy in the infrared spectrum of potassium vapor under two-photon excitation

Two-photon resonant four-wave difference mixing in potassium vapor (A)

Self-focusing in potassium vapor under two-photon resonant excitation

Multiphoton resonant processes in potassium vapor

Atomic Resonance Radiation in Potassium Vapor

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