title: Yb:YAG thin-disk chirped pulse amplification laser system for intense terahertz pulse generation.
abstract: We have developed a 1 kHz repetition picosecond laser system dedicated for intense terahertz (THz) pulse generation. The system comprises a chirped pulse amplification laser equipped with a Yb:YAG thin-disk amplifier. At room temperature, the Yb:YAG thin-disk regenerative amplifier provides pulses having energy of over 10 mJ and spectral bandwidth of 1.2 nm. The pulse duration achieved after passage through a diffraction grating pair compressor was 1.3 ps. By employing this picosecond laser as a pump source, THz pulses having a peak frequency of 0.3 THz and 4 µJ of energy were generated by means of optical rectification in an Mg-doped LiNbO3crystal.
authors.forename: Yoshihiro
authors.initials: Y
authors.lastname: Ochi
authors.forename: Keisuke
authors.initials: K
authors.lastname: Nagashima
authors.forename: Momoko
authors.initials: M
authors.lastname: Maruyama
authors.forename: Masaaki
authors.initials: M
authors.lastname: Tsubouchi
authors.forename: Fumiko
authors.initials: F
authors.lastname: Yoshida
authors.forename: Nanase
authors.initials: N
authors.lastname: Kohno
authors.forename: Michiaki
authors.initials: M
authors.lastname: Mori
authors.forename: Akira
authors.initials: A
authors.lastname: Sugiyama