title: Generation of 4.3-W coherent blue light by frequency-tripling of a side-pumped Nd:YAG laser in LBO crystals.
abstract: High average power nanosecond pulsed light is obtained using a compact all solid state Nd:YAG laser. The laser is operated in Q-switched mode at the 1.3 micron fundamental and internally frequency tripled using two LiB3O5 (LBO) crystals. 4.3 W average power at 440 nm was demonstrated at 3.5 kHz and a pulse width of 150+/-10 ns (FWHM). The beam quality of M2 value is 5+/-1 in both dimensions. The short-term average power stability of the light source is better than 5.6%. Spectral selecting is proposed to increase production efficiency at 440 nm.
authors.forename: Zhipei
authors.initials: Z
authors.lastname: Sun
authors.forename: Ruining
authors.initials: R
authors.lastname: Li
authors.forename: Yong
authors.initials: Y
authors.lastname: Bi
authors.forename: Xiaodong
authors.initials: X
authors.lastname: Yang
authors.forename: Yong
authors.initials: Y
authors.lastname: Bo
authors.forename: Wei
authors.initials: W
authors.lastname: Hou
authors.forename: Xuechun
authors.initials: X
authors.lastname: Lin
authors.forename: Hongbo
authors.initials: H
authors.lastname: Zhang
authors.forename: Dafu
authors.initials: D
authors.lastname: Cui
authors.forename: Zuyan
authors.initials: Z
authors.lastname: Xu