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Three kinds of simulating models for optical pulse chirped amplifier (OPCPA) are introduced at first. Then the three-step way to determine the length of the nonlinear crystal for most stable output is put forward. In this method, all the there models are used. As the more complex models are used, the ranging length for simulation becomes shorter. So it is efficient and accurate to useing this method to determine the optimized nonlinear crystal length. Then the way is also studied to introduce some phase mismatching in OPCPA to detune the nonlinear crystal length for most stable output. Simulating results show that as the mismatching angles increases, the nonlinear crystal length for most stable output becomes longer. So it is suggested that the nonlinear crystal be manufactured longer than designed. Most stable output can be obtained by introducing some phase mismatching in the experiments.
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Keywords:
- optical pulse chirped amplifier /
- most stable output /
- mismatched phase /
- length of nonlinear crystal
[1] ［1］Liu H G, Zhang R B, Zhang H Q, Zhu C, Ma J, Wang Q Y 2007 Acta Phys. Sin. 56 4635（in Chinese）［刘华刚、章若冰、张海清、朱晨、马晶、王清月 2007 56 4635］
[2] ［2］Liu H G, Zhang R B, Zhu C, Cai L, Wang Q Y 2008 Acta Phys. Sin. 57 2981（in Chinese） ［刘华刚、章若冰、朱晨、柴路、王清月 2008 57 2981］
[3] ［3］Zeng S G, Zhang B 2009 Acta Phys.Sin. 58 2476（in Chinese）［曾曙光、张彬 2009 58 2476］
[4] ［4］Zhang S K, Fujita M, Yamanaka M 2000 Opt. Commun. 184 451
[5] ［5］Ross I N，Matousek P, New G H C, Osvay K 2002 J. Opt. Soc. Am. B 19 2945
[6] ［6］Guardalben M J, Keegan J, Waxer L J 2003 Opt. Express 11 2511
[7] ［7］Wei X F, Lü Z W, Zeng X M, Huang X J, Zhu Q H, Wang X D, Liu L Q, Zhou K N, Wang X, Guo Y 2004 High Power Laser Particle Beams 16 1540（in Chinese） ［魏晓峰、吕志伟、曾小民、黄晓军、朱启华、王晓东、刘兰琴、周凯南、王逍、郭仪 2004 强激光与粒子束 16 1540］
[8] ［8］Liu H J, Chen G F, Zhao W, Wang Y S 2004 Acta Physi. Sin. 53 105（in Chinese） ［刘红军、 陈国夫、 赵卫、 王屹山2004 53 105］
[9] ［9］Zhang K C, Wang X M 2005 Science of Nonlinear Optics Crystal Materials （Beijing： Science Press）［张克从、王希敏 2005 非线性光学晶体材料科学(北京：科学出版社）］
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[1] ［1］Liu H G, Zhang R B, Zhang H Q, Zhu C, Ma J, Wang Q Y 2007 Acta Phys. Sin. 56 4635（in Chinese）［刘华刚、章若冰、张海清、朱晨、马晶、王清月 2007 56 4635］
[2] ［2］Liu H G, Zhang R B, Zhu C, Cai L, Wang Q Y 2008 Acta Phys. Sin. 57 2981（in Chinese） ［刘华刚、章若冰、朱晨、柴路、王清月 2008 57 2981］
[3] ［3］Zeng S G, Zhang B 2009 Acta Phys.Sin. 58 2476（in Chinese）［曾曙光、张彬 2009 58 2476］
[4] ［4］Zhang S K, Fujita M, Yamanaka M 2000 Opt. Commun. 184 451
[5] ［5］Ross I N，Matousek P, New G H C, Osvay K 2002 J. Opt. Soc. Am. B 19 2945
[6] ［6］Guardalben M J, Keegan J, Waxer L J 2003 Opt. Express 11 2511
[7] ［7］Wei X F, Lü Z W, Zeng X M, Huang X J, Zhu Q H, Wang X D, Liu L Q, Zhou K N, Wang X, Guo Y 2004 High Power Laser Particle Beams 16 1540（in Chinese） ［魏晓峰、吕志伟、曾小民、黄晓军、朱启华、王晓东、刘兰琴、周凯南、王逍、郭仪 2004 强激光与粒子束 16 1540］
[8] ［8］Liu H J, Chen G F, Zhao W, Wang Y S 2004 Acta Physi. Sin. 53 105（in Chinese） ［刘红军、 陈国夫、 赵卫、 王屹山2004 53 105］
[9] ［9］Zhang K C, Wang X M 2005 Science of Nonlinear Optics Crystal Materials （Beijing： Science Press）［张克从、王希敏 2005 非线性光学晶体材料科学(北京：科学出版社）］
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