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Abstract: LD side-pumped dual interconnected V-type quasi-continuous wave green laser has been demonstrated. The two Nd:YAG modules were placed in a plane-concave V-type resonator and a plane-concave straight cavity formed two stable operation beam of the 1064-nm fundamental frequency laser. Through acousto-optic Q-switched and frequency doubling crystal, two double-frequency laser beams arrived at the folded flat mirror, which were unidirectional output by the folded flat mirror at the end. As the pumped current was 50A, the 532nm green laser maximum average output power of 206W at a repetition of 22.4kHz was achieved with a pulse width of 201ns and the largest single pulse energy of 9.2mJ, corresponding to a peak power of 45.8kW and a double frequency efficiency of 60.2%. [Copyright &y& Elsevier]