Title :
Strong terahertz radiation form intense femtosecond laser-solid interactions
Author :
Li, Y.T. ; Li, C. ; Zhou, M.L. ; Lin, X.X. ; Liu, F. ; Du, F. ; Wang, S.J. ; Chen, L.M. ; Ma, J.L. ; Wang, Z.H. ; Wei, Z.Y. ; Sheng, Z.M. ; Zhang, J.
Author_Institution :
Beijing Nat. Lab. for Condensed Matter Phys., Chinese Acad. of Sci., Beijing, China
Abstract :
We have demonstrated an intense plasma-based THz source using ~5 TW femtosecond laser pulses to irradiate solid targets. The energy of a single THz pulse emitted in the laser specular direction increases with the laser energy. The maximum THz energy can be as high as tens μJ/sr. The polarization of the THz pulse is measured to be linear.
Keywords :
high-speed optical techniques; light polarisation; plasma production by laser; plasma sources; terahertz wave generation; THz pulse polarization; intense femtosecond laser-solid interactions; intense plasma-based THz source; laser specular direction; surface electron current model; terahertz radiation; Laser modes; Laser theory; Measurement by laser beam; Optimized production technology; Surface emitting lasers; Ultrafast optics;
Conference_Titel :
Photonics Global Conference (PGC), 2010
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-9882-6
DOI :
10.1109/PGC.2010.5706120
