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EnglishAbstract: We report the observation of a fluorescence peak appearing in dilute alkali (Rb, Cs) vapor in the presence of a buffer gas when the cw laser radiation frequency is tuned between the Doppler-broadened hyperfine transition groups of an atomic D2 line. Based on steep laser radiation intensity dependence above the threshold and spectral composition of the observed features corresponding to atomic resonance transitions, we have attributed these features to the buffer gas-assisted four-wave mixing process. Graphical abstract: [Figure not available: see fulltext.]
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| Data di pubblicazione: | 2016 | |
| Titolo: | Buffer gas-assisted four-wave mixing resonances in alkali vapor excited by a single cw laser | |
| Autori: | Shmavonyan, Svetlana; Khanbekyan, Aleksandr; Khanbekyan, Alen; Mariotti, Emilio; Papoyan, Aram V | |
| Rivista: | THE EUROPEAN PHYSICAL JOURNAL. D, ATOMIC, MOLECULAR AND OPTICAL PHYSICS | |
| Parole Chiave: | Atomic Physics; Atomic and Molecular Physics, and Optics | |
| Abstract in inglese: | Abstract: We report the observation of a fluorescence peak appearing in dilute alkali (Rb, Cs) vapor in the presence of a buffer gas when the cw laser radiation frequency is tuned between the Doppler-broadened hyperfine transition groups of an atomic D2 line. Based on steep laser radiation intensity dependence above the threshold and spectral composition of the observed features corresponding to atomic resonance transitions, we have attributed these features to the buffer gas-assisted four-wave mixing process. Graphical abstract: [Figure not available: see fulltext.] | |
| Digital Object Identifier (DOI): | 10.1140/epjd/e2016-70212-8 | |
| Handle: | http://hdl.handle.net/11392/2369480 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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