High-power near diffraction-limited 1 064-nm Nd:YAG rod laser and second harmonic generation by intracavity-frequency-doubling |
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Authors: | Shubao Zhang Lin Guo Menglong Li Ling Zhang Xin Yan Wei Hou Xuechun Lin and Jinmin Li |
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Institution: | 1 Laboratory of All-Solid-State Light Sources,Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China |
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Abstract: | 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. |
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