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We present a near diffraction-limited 1 064-nm Nd:YAG rod laser with output power of 82.3 W(M~2≈1.38). The power fluctuation over two hours is better than±1.1%.Pulsed 1064-nm laser with an average power of 66.6 W and pulse width of 46 ns are achieved when the laser is Q-switched at a repetition rate of 10 kHz.The short pulse duration stems from the short cavity as well as the high-gain laser modules. Using intracavity-frequency-doubling,a 35.0-W near diffraction-limited 532-nm green laser(M~2≈1.32) is achieved with a pulse width of 43 ns.
We present a near diffraction-limited 1 064-nm Nd: YAG rod laser with output power of 82.3 W (M ~ 2≈1.38). The power fluctuation over two hours is better than ± 1.1%. average power of 66.6 W and pulse width of 46 ns are achieved when the laser is Q-switched at a repetition rate of 10 kHz. The short pulse duration stems from the short cavity as well as the high-gain laser modules. Using intracavity- frequency-doubling, a 35.0-W near diffraction-limited 532-nm green laser (M~2≈1.32) is achieved with a pulse width of 43 ns.