Influence of inversion creation processes in atomic transitions on four-wave parametric oscillation process (FWPOP) under optical pumping of barium and europium vapor

V. G. Sokovikov; A. V. Klimkin; V. E. Prokopiev

doi:10.1117/12.2225581

15 December 2015 Influence of inversion creation processes in atomic transitions on four-wave parametric oscillation process (FWPOP) under optical pumping of barium and europium vapor

V. G. Sokovikov, A. V. Klimkin, V. E. Prokopiev

Author Affiliations +

Proceedings Volume 9810, International Conference on Atomic and Molecular Pulsed Lasers XII; 98100A (2015) https://doi.org/10.1117/12.2225581
Event: XII International Conference on Atomic and Molecular Pulsed Lasers, 2015, Tomsk, Russian Federation

Abstract

Processes of inversion creation in a number of barium and europium atomic transitions under pumping of vapors by eximer XeCl* and KrF* lasers have been investigated. Qualitative study of inversion creation mechanisms that are common for barium and europium atoms has been carried out. Necessary conditions for observation of atom lines of Ba and Eu amplified spontaneous emission (ASE) have been formulated. It has been found that observed absence of long-wave satellites of Eu resonant lines is caused by ASE absence in atomic transitions 8p⁸P_9/2 → 6d⁸D⁰_7/2 and 8p⁸P_9/2 → 6d⁸D⁰_11/2 of europium atom. Whereas, absence of ASE in transitions 8p⁸P_9/2 → 6d⁸D⁰_7/2 and 8p⁸P_9/2 → 6d⁸D⁰_11/2 of Eu atom is a result of high offset, or starting of pre-dissociating pumping channel of 6d⁸D⁰_7/2,11/2 Eu levels. Problems, caused by of undetermined nature of resonant emission that is observed under optical pumping of europium and barium vapor, are discussed in this paper.

Citation Download Citation

V. G. Sokovikov, A. V. Klimkin, and V. E. Prokopiev "Influence of inversion creation processes in atomic transitions on four-wave parametric oscillation process (FWPOP) under optical pumping of barium and europium vapor", Proc. SPIE 9810, International Conference on Atomic and Molecular Pulsed Lasers XII, 98100A (15 December 2015); https://doi.org/10.1117/12.2225581

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