THz emission from laser plasma produced by intense laser pulse

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  • 高強度パルスレーザー生成プラズマからのテラヘルツ放射(第11回赤外放射の応用関連学会年会)

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Description

Terahertz (THz) emission from argon cluster plasma, generated by intense femtosecond laser pulse with an energy of 10mJ, has been investigated. The angular distribution of THz was measured precisely to discuss the emission property. The highest THz power was detected at ±30° with respect to the laser propagation direction. In a comparison of the energy of THz radiation generated from argon clusters with that from argon gas, an enhancement of two orders of magnitude has been observed. Further enhancement of THz emission by optimizing laser pulse duration has been found. The findings indicate that plasmas produced from atomic clusters hold considerable promise as intense THz sources.

Journal

  • ITE Technical Report

    ITE Technical Report 38.4 (0), 1-4, 2014

    The Institute of Image Information and Television Engineers

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