The interaction between Rydberg systems [Rydberg atoms (RA) gas or Rydberg matter (RM)] and coherent light in various frequency bands is considered. It is shown why Rydberg systems possess a greater polarizabilities and, accordingly, linear and nonlinear susceptibilities and strong sensitive to high-1 (circular) Rydberg states in RA and RM. Quantum theory of physical and chemical properties of RA and RM are related with recent obtained results on the optical spectroscopy. The experimental data of Raman processes, wave mixing effects in gas of RA, and their clusters of RM are analyzed. Problem of blueshifts and stimulated electronic laser Raman processes, as well as four wave mixing in RM are discussed.The interaction between Rydberg systems [Rydberg atoms (RA) gas or Rydberg matter (RM)] and coherent light in various frequency bands is considered. It is shown why Rydberg systems possess a greater polarizabilities and, accordingly, linear and nonlinear susceptibilities and strong sensitive to high-1 (circular) Rydberg states in RA and RM. Quantum theory of physical and chemical properties of RA and RM are related with recent obtained results on the optical spectroscopy. The experimental data of Raman processes, wave mixing effects in gas of RA, and their clusters of RM are analyzed. Problem of blueshifts and stimulated electronic laser Raman processes, as well as four wave mixing in RM are discussed.

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIEMay 30, 20021 citation

Properties of Th

^{3+}

from Optical Spectroscopy of High-L Rydberg states of Th

^{2+}

Properties of Ni

^{+}

from spectroscopy of high-L Rydberg levels of Ni