9 December 2014 40W high beam quality 532nm green laser with LBO intracavity-frequecy-doubling
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A high-power high-beam-quality 1064nm Nd:YAG rod laser and SHG by intracavity-frequency-doubling are reported. With two common side-pumped Nd:YAG rod modules in the short cavity, we achieved an 78.5W near diffraction-limited pulsed wave 1064nm laser(M2=1.5) with pulse frequency 30kHz, pulse width 94ns and a good power stability of ±1% for over two hours. Finally, a 40W pulsed green laser with pulse width of 92ns in a near diffraction-limited beam (M2=1.45) is generated using an LBO crystal as the frequency doubler in the cavity.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xuesheng Liu, Xuesheng Liu, Jing Li, Jing Li, Youqiang Liu, Youqiang Liu, Zhiyong Wang, Zhiyong Wang, "40W high beam quality 532nm green laser with LBO intracavity-frequecy-doubling", Proc. SPIE 9294, International Symposium on Optoelectronic Technology and Application 2014: Development and Application of High Power Lasers, 92940V (9 December 2014); doi: 10.1117/12.2074205; https://doi.org/10.1117/12.2074205


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