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高功率激光驱动器光路设计要考虑像传递、鬼像规避和杂散光管理等多项优化措施.基于衍射光学传播理论，从输出负载能力提升的角度研究大口径光学元件波前特性对驱动器光路设计参数优化的影响.研究表明，驱动器末级光路的排布间隔如果控制在6 m以上，将非常有助于提高激光驱动器的输出负载能力.一般情况下，波前峰谷值达到0.34的单块大口径光学元件能使高功率激光的近场光束质量最大下降约10%，达到1.36后最大下降约21%；波前分布特性不同的多片大口径光学元件的波前相消叠加有利于降低中频波前部分对装置负载能力的影响，但是，大口径光学元件的非线性效应会加重中频波前对装置输出负载能力的影响；在限定大口径元件损伤阈值20 J/cm2的前提下，光路排布紧凑的激光驱动器末级输入激光通量控制在16.8 J/cm2之下不易损伤光学元件.相对宽松的光路设计可以进一步提高末级输出激光的平均通量水平，非常有利于激光驱动器装置输出负载能力的提升.Optical path design of high power laser facilities should consider several optimization measures such as those that are related to image transmission, ghost avoidance, and stray light management. According to the diffraction optical propagation theory, we study the the influences of wavefront characteristics of large aperture optical components on optimizing the design parameters of optical path in view of increasing the output load. The results show that the arrangement interval of the last stage optical drive can be very useful in improving the output load of the laser facilities if it is controlled to be over 6 m long. In general, a large aperture optical element with a phase error peak value of 0.34 can reduce the near field beam quality of a high-power laser by about 10% and give rise to a maximum decrease of about 21% when the phase error reaches 1.36. Superposition of multiple optical elements with different phase error distribution characteristics can reduce the negative effect of the mid frequency phase error. However, the nonlinear effect of large aperture optical components can aggravate the influence of the intermediate frequency phase error on the damage resistance capacity of the device. Under the premise that the damage threshold of the large caliber optical element is limited to 20 J/cm2, the using of a laser facility with a compact optical path, with an input laser energy density controlled to be below 16.8 J/cm2, will avoid damaging the optical components efficiently. A relatively flexible optical layout can further increase the average energy density of the final output laser and is very beneficial to the enhancing of the output load capacity of the laser facility.
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Keywords:
- diffraction optics /
- component wavefront /
- optical layout design
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[8] Zhuang D K, Lin Z Q, Guan X P, Zhu J, Ma W X, Liu F Q, Wang D L 2002 Acta Opt. Sin. 22 582 (in Chinese)[庄大奎, 林尊琪, 管小鹏, 朱俭, 马伟新, 刘风翘, 王德林 2002 光学学报 22 582]
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[12] Chen B S, Zhang J Y, Zhang Y L, Liu D A, Zhu J Q 2012 Laser Optoelectron. Prog. 49 010002 (in Chinese)[陈宝算, 张军勇, 张艳丽, 刘德安, 朱健强 2012 激光与光电子学进展 49 010002]
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[16] Zhou L D, Su J Q, Liu L Q, Wang W Y, Wang F, Mo L, Li P, Zhang X M 2009 High Power Laser and Particle Beams 21 326 (in Chinese)[周丽丹, 粟敬钦, 刘兰琴, 王文义, 王方, 莫磊, 李平, 张小民 2009 强激光与粒子束 21 326]
[17] Huang W F, Li X C, Wang J F, Lu X H, Zhang Y Q, Fan W, Lin Z Q 2015 Acta Phys. Sin. 64 087801 (in Chinese)[黄文发, 李学春, 王江峰, 卢兴华, 张玉奇, 范薇, 林尊琪 2015 物理学报 64 087801]
[18] Sun X Y, Lei Z M, Lu X Q, Fan D Y 2014 Acta Phys. Sin. 63 134201 (in Chinese)[孙晓燕, 雷泽民, 卢兴强, 范滇元 2014 物理学报 63 134201]
[19] Zheng W, L K 2012 Proc. SPIE 8417 841736
[20] Liu H J, Jing F, Zuo Y L, Peng Z T, Hu D X, Zhang C L, Zhou W, Li Q, Zhang K, Jiang L, Zuo M, Sun Z Q 2006 Acta Phot. Sin. 35 1464 (in Chinese)[刘红婕, 景峰, 左言磊, 彭志涛, 胡东霞, 张春玲, 周维, 李强, 张昆, 姜蕾, 左明, 孙志强 2006 光子学报 35 1464]
[21] Peng X Y 2008 M. S. Dissertation (Shanghai: Shanghai Institute of Optics and Fine Mechanics) (in Chinese)[庞向阳 2008 硕士学位论文 (上海: 上海光学精密机械研究所)]
[22] Wan D J 2007 M. S. Dissertation (Mianyang: China Academy of Engineering Physics) (in Chinese)[代万俊 2007 硕士学位论文 (绵阳: 中国工程物理研究院)]
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[1] Zheng W G 2014 Load Capacity and Related Physical Problems of High Power Laser Devices (Beijing: Science Press) pp37-40 (in Chinese)[郑万国 2014 高功率激光装置的负载能力及其相关物理问题(北京:科学出版社) 第3740页]
[2] Stolz C J 2007 Proc. SPIE 6834 683402
[3] Andr M L 1999 Fusion Engineer. Design 44 43
[4] Blackwell B D, Caneses J F, Samuell C M, Wash J, Howard J, Corr C 2012 Plasma Sources Sci. Technol. 21 055033
[5] Sukharev S A 1999 Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion Monterey, CA, USA, June 7, 1998 pp12-24
[6] Zhu J Q 2006 Chin. J. Nature 28 271 (in Chinese)[朱健强 2006 自然杂志 28 271]
[7] Zheng W G, Zhang X M, Wei X F, Yu H W, Jing F, Sui Z, Li M Z, Hu D X, He S B, Peng Z T, Feng B, Zhou H, Guo L F, Li X Q, Su J Q, Zhao R C, Yang D, Zheng K X, Yuan X D 2008 J.Phys.: Conf. Ser. 112 32009
[8] Zhuang D K, Lin Z Q, Guan X P, Zhu J, Ma W X, Liu F Q, Wang D L 2002 Acta Opt. Sin. 22 582 (in Chinese)[庄大奎, 林尊琪, 管小鹏, 朱俭, 马伟新, 刘风翘, 王德林 2002 光学学报 22 582]
[9] Guo A L, Zhu H D, Yang Z P, Li E D, Xie X L, Zhu J Q, Lin Z Q, Ma W X, Zhu J 2013 Acta Opt. Sin. 33 105 (in Chinese)[郭爱林, 朱海东, 杨泽平, 李恩德, 谢兴龙, 朱健强, 林尊琪, 马伟新, 朱俭 2013 光学学报 33 105]
[10] Manes K R, Spaeth M L, Adams J J, Bowers M W 2016 Fusion Sci. Technol. 69 146
[11] Lin X D 2002 M. S. Dissertation (Chengdu: Sichuan University) (in Chinese)[林晓东2002 硕士学位论文(成都: 四川大学)]
[12] Chen B S, Zhang J Y, Zhang Y L, Liu D A, Zhu J Q 2012 Laser Optoelectron. Prog. 49 010002 (in Chinese)[陈宝算, 张军勇, 张艳丽, 刘德安, 朱健强 2012 激光与光电子学进展 49 010002]
[13] Liu L Q, Jing F, Peng Z T, Zhu Q H, Cheng X F, Jiang D B, Zhang Q Q, Liu H J 2001 National Young Academic Exchange of Laser Science and Technology Gui Yang, China, Oct. 1, 2001 p387 (in Chinese)[刘兰琴, 景峰, 彭志涛, 朱启华, 程晓峰, 蒋东镔, 张清泉, 刘红婕 2001 全国激光科学技术青年学术交流会 中国贵阳, 2001 年10月1日 第387 页]
[14] Zhou L D, Su J Q, Li P, Liu L Q, Wang W Y, Wang F, Mo L, Cheng W Y, Zhang X M 2009 Acta Phys. Sin. 58 6279 (in Chinese)[周丽丹, 粟敬钦, 李平, 刘兰琴, 王文义, 王方, 莫磊, 程文雍, 张小民 2009 物理学报 58 6279]
[15] Zhou L D, Su J Q, Li P, Wang W Y, Liu L Q, Zhang Y, Zhang X M 2011 Acta Phys. Sin. 60 024202 (in Chinese)[周丽丹, 粟敬钦, 李平, 王文义, 刘兰琴, 张颖, 张小民 2011 物理学报 60 024202]
[16] Zhou L D, Su J Q, Liu L Q, Wang W Y, Wang F, Mo L, Li P, Zhang X M 2009 High Power Laser and Particle Beams 21 326 (in Chinese)[周丽丹, 粟敬钦, 刘兰琴, 王文义, 王方, 莫磊, 李平, 张小民 2009 强激光与粒子束 21 326]
[17] Huang W F, Li X C, Wang J F, Lu X H, Zhang Y Q, Fan W, Lin Z Q 2015 Acta Phys. Sin. 64 087801 (in Chinese)[黄文发, 李学春, 王江峰, 卢兴华, 张玉奇, 范薇, 林尊琪 2015 物理学报 64 087801]
[18] Sun X Y, Lei Z M, Lu X Q, Fan D Y 2014 Acta Phys. Sin. 63 134201 (in Chinese)[孙晓燕, 雷泽民, 卢兴强, 范滇元 2014 物理学报 63 134201]
[19] Zheng W, L K 2012 Proc. SPIE 8417 841736
[20] Liu H J, Jing F, Zuo Y L, Peng Z T, Hu D X, Zhang C L, Zhou W, Li Q, Zhang K, Jiang L, Zuo M, Sun Z Q 2006 Acta Phot. Sin. 35 1464 (in Chinese)[刘红婕, 景峰, 左言磊, 彭志涛, 胡东霞, 张春玲, 周维, 李强, 张昆, 姜蕾, 左明, 孙志强 2006 光子学报 35 1464]
[21] Peng X Y 2008 M. S. Dissertation (Shanghai: Shanghai Institute of Optics and Fine Mechanics) (in Chinese)[庞向阳 2008 硕士学位论文 (上海: 上海光学精密机械研究所)]
[22] Wan D J 2007 M. S. Dissertation (Mianyang: China Academy of Engineering Physics) (in Chinese)[代万俊 2007 硕士学位论文 (绵阳: 中国工程物理研究院)]
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