Comparative study of low-order harmonic generation in gas and cluster media at Ti:Sa femtosecond laser intensity up to 2000 TW/cm2статья
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Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.
Аннотация:In comparative experiments, it was found that the maximum efficiency of third harmonic generation (THG) in cluster nanoplasma was ~9x10^-5 and was approximately 4 times less effective than the case of THG in gas under similar experimental conditions. This result isconsistent with theoretical calculations and show that THG amplitude in a gas is about an order of magnitude higher than in a cluster medium. The discrepancy between the THG efficiency in gas and clusters obtained theoretically and experimentally in discussed.