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We demonstrate a novel regenerative amplifier with a long ring cavity. Calculation on cavity parameters supports a large mode size. Based on the simulation with the cavity design software, we successfully established a 12 m ring regenerative amplifier. The amplified laser energy up to 20 mJ was obtained under 150 mJ green pump laser at a repetition rate of 10 Hz, corresponding to 13.3% conversion efficiency. The spectral bandwidth of the output pulse was 30 nm, which could support a sub 30 fs pulse duration. After seed injection, the ASE of the amplifier was effectively suppressed.
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Keywords:
- ring cavity /
- regenerative amplifier /
- high-energy
[1] Strickland D, Mourou G 1985 Opt. Commun. 56 219
[2] Yanovsky V, Felix C, Mourou G 2001 IEEE Journal of Selected Topics in Quantum Electronics 7 539
[3] Aoyama M, Yamakawa K, Akahane Y, Ma J, Inoue N, Ueda H, Kiriyama H 2003 Opt. Lett. 28 1594
[4] Wei Z Y, Wang Z H, Wang P, Ling W J, Zhu Z F, Han H N, Zhang J 2008 Journal of Physics: Conference Series 112 032003
[5] Zhao H, Wang P, Wei Z Y, Tian J R, Li D H, Wang Z H, Zhang J 2007 Chin. Phys. Lett. 24 115
[6] Matsushima Isao, Yashiro Hidehiko, Tomie Toshihisa, 2006 Opt. Lett. 31 2066
[7] Yamakawa Koichi, Barty C P J 2003 Opt. Lett. 28 2402
[8] Yanovsky V, Felix C, Mourou G 2002 Appl. Phys. B 74 181
[9] Zhao Y Y, Han H N, Teng H, Wei Z Y 2009 Acta Phys. Sin. 58 1709 (in Chinese) [赵研英, 韩海年, 滕浩, 魏志义 2009 58 1709]
[10] Koechner W 1996 Solid-State Laser Engineering, Vol. 1 of Springer Series in Optical Sciences (Springer-Verlag, 1996) p183
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[1] Strickland D, Mourou G 1985 Opt. Commun. 56 219
[2] Yanovsky V, Felix C, Mourou G 2001 IEEE Journal of Selected Topics in Quantum Electronics 7 539
[3] Aoyama M, Yamakawa K, Akahane Y, Ma J, Inoue N, Ueda H, Kiriyama H 2003 Opt. Lett. 28 1594
[4] Wei Z Y, Wang Z H, Wang P, Ling W J, Zhu Z F, Han H N, Zhang J 2008 Journal of Physics: Conference Series 112 032003
[5] Zhao H, Wang P, Wei Z Y, Tian J R, Li D H, Wang Z H, Zhang J 2007 Chin. Phys. Lett. 24 115
[6] Matsushima Isao, Yashiro Hidehiko, Tomie Toshihisa, 2006 Opt. Lett. 31 2066
[7] Yamakawa Koichi, Barty C P J 2003 Opt. Lett. 28 2402
[8] Yanovsky V, Felix C, Mourou G 2002 Appl. Phys. B 74 181
[9] Zhao Y Y, Han H N, Teng H, Wei Z Y 2009 Acta Phys. Sin. 58 1709 (in Chinese) [赵研英, 韩海年, 滕浩, 魏志义 2009 58 1709]
[10] Koechner W 1996 Solid-State Laser Engineering, Vol. 1 of Springer Series in Optical Sciences (Springer-Verlag, 1996) p183
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