Watt-Level High-Repetition Rate Ultraviolet Laser with La3Ga5SiO14 Electro-Optic Q-Switch

Lu Tingting; Li Xiaoli; Zang Huaguo; Zhu Xiaolei; Lu Yutian

doi:10.3788/cjl201138.0402005

Journals >Chinese Journal of Lasers >Volume 38 >Issue 4 >Page 402005 > Article

Chinese Journal of Lasers
Vol. 38, Issue 4, 402005 (2011)

Watt-Level High-Repetition Rate Ultraviolet Laser with La₃Ga₅SiO₁₄ Electro-Optic Q-Switch

Lu Tingting^*, Li Xiaoli, Zang Huaguo, Zhu Xiaolei, and Lu Yutian

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[in Chinese]

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DOI: 10.3788/cjl201138.0402005 Cite this Article Set citation alerts

Lu Tingting, Li Xiaoli, Zang Huaguo, Zhu Xiaolei, Lu Yutian. Watt-Level High-Repetition Rate Ultraviolet Laser with La₃Ga₅SiO₁₄ Electro-Optic Q-Switch[J]. Chinese Journal of Lasers, 2011, 38(4): 402005 Copy Citation Text

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Abstract

A laser diode(LD) dual-end-pumped electro-optic Q-switched NdYVO4 solid-state ultraviolet laser is reported by using a U flat-concave resonator, with type I phase-matched LiB3O5(LBO) as the second harmonic generation crystal and type II phase-matched LBO as the third harmonic generation crystal. A block of La3Ga5SiO14(LGS) crystal is used as a Q-switch. The 1.29 W output power of 355 nm is obtained at the pump power of 20.4 W and repetition frequency of 10 kHz with pulse width as short as 9.6 ns. The optical-optical transformation efficiency is about 6.3%.

Keywords

electro-optic Q-switch intracavity frequency-tripling lasers LiB3O5 crystal quasi-continuous wave ultraviolet laser

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