Saturation of Resonant Two-Photon Transitions in Thallium Vapor
Authors:
- L. I. DavisLDL. I. Davis
- 8 September 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (10) , 650-653
Abstract
We present direct evidence on the saturation of resonant two-photon transitions in the optical region. Saturation manifests itself as a broadening of the transition linewidth and as a deviation from the low-level intensity dependence for both third-harmonic generation and two-photon-induced fluorescence. These effects may greatly limit the extent of attainable resonant enhancement in experiments which require high intensity for excitation.Keywords
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