High-Power High-Beam-Quality 330-nm Laser From a Frequency-Quadrupled Nd:YAG Laser

Ming Chen,Zhichao Wang,Shenjin Zhang,Feng Yang,Miao He,Feng-Feng Zhang,Nan Zong,Zhimin Wang,Yong Bo,Qinjun Peng,Jing-Yuan Zhang,Dafu Cui,Zuyan Xu

IEEE Photonics Technology Letters（2016）

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摘要

We demonstrate a high-power high-beam-quality ultraviolet (UV) laser at 330 nm based on fourth-harmonic generation (FHG) of a diode-side-pumped 1319-nm Nd:YAG laser. A 23.2-W Q-switched Nd:YAG laser at 1319 nm with beam quality factor M2 = 1.15 and optical to optical conversion efficiency of 6.5% was employed as the fundamental wave source. First, the output at 1319 nm was frequency doubled to 660...

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关键词

Laser beams,Measurement by laser beam,Power generation,Crystals,Frequency conversion,Optical harmonic generation,Optical pumping

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