Effect of velocity-changing collisions upon optical coherences in a three-level system
- 1 January 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 17 (1), 52-58
- https://doi.org/10.1103/physreva.17.52
Abstract
In this work, a theory of laser nonlinear spectroscopy and its application to the study of atomic collisions is developed. A three-level system (TLS) is considered in low-pressure gases. The effect of weak velocity-changing collisions (vcc) upon atomic coherences is introduced into the TLS equations established by Hänsch and Toschek. It appears that a TLS is suitable for the observation of the effect of vcc upon optical coherences.Keywords
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