Title :
Intense terahertz emission from argon clusters irradiated by 60 mJ femtosecond laser pulse
Author :
Jahangiri, Fazel ; Hashida, M. ; Nagashima, T. ; Tokita, S. ; Hangyo, M. ; Sakabe, S.
Author_Institution :
Inst. for Chem. Res., Kyoto Univ., Kyoto, Japan
Abstract :
THz pulse emission from argon clusters irradiated by intense femtosecond laser pulses have been investigated. Intense THz pulses emitted from argon clusters have been obtained without employing any biasing electric field or frequency mixing method. The energy of THz pulses is almost three orders of magnitude larger than that from air plasma. The enhancement of the THz radiation originates from large laser absorption by the clusters.
Keywords :
argon; atom-photon collisions; atomic clusters; high-speed optical techniques; photoexcitation; Ar; THz pulse emission; air plasma; argon clusters; biasing electric field; energy 60 mJ; femtosecond laser pulse; frequency mixing method; laser absorption; terahertz emission; Argon; Bolometers; Gas lasers; Laser theory; Measurement by laser beam; Plasmas;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Conference_Location :
Houston, TX
Print_ISBN :
978-1-4577-0510-6
Electronic_ISBN :
2162-2027
DOI :
10.1109/irmmw-THz.2011.6105240
