title: Sodium D2 resonance radiation in single-pass sum-frequency generation with actively mode-locked Nd:YAG lasers.
abstract: We report on a sodium D(2) resonance coherent light source achieved in single-pass sum-frequency generation in periodically poled MgO-doped stoichiometric lithium tantalate with actively mode-locked Nd:YAG lasers. Mode-locked pulses at 1064 and 1319 nm are synchronized with a time resolution of 37 ps with the phase adjustment of the radio frequencies fed to acousto-optic mode lockers. An output power of 4.6 W at 589.1586 nm is obtained, and beam quality near the diffraction limit is also achieved in a simple design.
authors.affiliation: Solid-State Optical Science Research Unit, RIKEN, 2-1 Hirosawa, Wako Saitama 351-0198, Japan. norihito@riken.jp
authors.forename: Norihito
authors.initials: N
authors.lastname: Saito
authors.forename: Kazuyuki
authors.initials: K
authors.lastname: Akagawa
authors.forename: Mayumi
authors.initials: M
authors.lastname: Ito
authors.forename: Akira
authors.initials: A
authors.lastname: Takazawa
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Hayano
authors.forename: Yoshihiko
authors.initials: Y
authors.lastname: Saito
authors.forename: Meguru
authors.initials: M
authors.lastname: Ito
authors.forename: Hideki
authors.initials: H
authors.lastname: Takami
authors.forename: Masanori
authors.initials: M
authors.lastname: Iye
authors.forename: Satoshi
authors.initials: S
authors.lastname: Wada