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This paper studies the intensity distribution inside the frequency conversion crystals when the continuous phase plate (CPP) is placed in 1ω light of final optics assembly for inertial confinement fusion (ICF) driver. Our study shows that the modulation of 1ω light caused by CPP makes the frequency conversion efficiency and the uniformity of intensity field inside the frequency conversion crystals decrease. It leads to the possibility of laser induced damage for frequency conversion crystals to increase. What worth paying special attention to is: the modulation and maximum intensity in the vicinity of entrance and exit surface of frequency conversion crystal is much higher than in other areas, so the possibility of laser induced damage is also relatively greater there. However, if the intensity of 1ω light before the frequency conversion system becomes even greater, for the normal running of final optics assembly the modulation and maximum intensity inside the frequency conversion crystals should be confined within the permitted range.
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Keywords:
- inertial confinement fusion /
- continuous phase plate /
- frequency conversion crystal /
- laser induced damage
[1] Haynam C A, Wegner P J, Auerbach, J M, Bowers M W, Dixit S N, Erbert G V 2007 Appl. Opt. 46 3276
[2] Haynam C A, Sacks R A, Wegner P J, Bowers M W, Dixit S N 2008 J. Phys.:Conf. Ser. 112 032004
[3] Michel L A 1997 SPIE 3047 38
[4] Han J H, Feng G Y, Yang L M, Zhang Q H, Xie X D, Zhu Q H, Zhou S H 2008 Acta Phys. Sin. 57 5558 (in Chinese) [韩敬华、冯国英、杨李茗、张秋慧、谢旭东、朱启华、周寿桓 2008 物理学报 57 5558]
[5] Yao X, Gao F H, Wen S L, Zhang Y X, Li J F, Guo Y K 2008 Acta Phys. Sin. 57 4891 (in Chinese) [姚 欣、高福华、李剑峰、张怡霄、温圣林、郭永康 2008 物理学报 57 4891]
[6] Wang K P, Fang C S, Zhang J X, Wang S L, Sun X, Gu Q T, Li Y P 2004 Journal of Synthetics crystals 33 48 (in Chinese) [王坤鹏、房昌水、张建秀、王圣来、孙 洵、顾庆天、李义平 2004 人工晶体学报 33 48]
[7] John A M 2007 J. Opt. Soc. Am. A 24 74
[8] Wegner P, Auerbach J, Biesiada T, Dixit S, Lawson J, Menapace J, Parham T, Swift D, Whitman P, Williams W 2004 Proc. SPIE 5341 180
[9] Yao X, Gao F H, Gao B, Zhang Y X, Wen S L, Guo Y K, Lin X D 2009 Acta Phys. Sin. 58 3130(in Chinese) [姚 欣、高福华、高 博、张怡霄、温圣林、郭永康、 林祥棣 2009 物理学报 58 3130]
[10] Qian L J, Deng X M 1996 Acta Opt. Sin. 16 1223 (in Chinese) [钱列加、邓锡铭 1996 光学学报 16 1223]
[11] Williams W H, Auerbach J M, Henesian M A., Lawson J K, Hunt J T, Sacks R A., Widmayer C C 1998 Proc. SPIE 3264 93
[12] Eimerl D, Auerbach J M, Milonni P W 1995 J. Mod. Opt. 42 1037
[13] Zhao S L, Zhu B Q, Zan T Y, Cai X J, Liu R H, Yang L, Zhang Z X, Bi J J 2006 Acta Phys. Sin. 55 4170 (in Chinese) [赵书林、朱宝强、詹庭宇、蔡希洁、刘仁红、杨 琳、张志祥、毕纪军 2006 物理学报 55 4170]
[14] Adams C 1996 UCRL-ID-126987-Rev.B 187 11
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[1] Haynam C A, Wegner P J, Auerbach, J M, Bowers M W, Dixit S N, Erbert G V 2007 Appl. Opt. 46 3276
[2] Haynam C A, Sacks R A, Wegner P J, Bowers M W, Dixit S N 2008 J. Phys.:Conf. Ser. 112 032004
[3] Michel L A 1997 SPIE 3047 38
[4] Han J H, Feng G Y, Yang L M, Zhang Q H, Xie X D, Zhu Q H, Zhou S H 2008 Acta Phys. Sin. 57 5558 (in Chinese) [韩敬华、冯国英、杨李茗、张秋慧、谢旭东、朱启华、周寿桓 2008 物理学报 57 5558]
[5] Yao X, Gao F H, Wen S L, Zhang Y X, Li J F, Guo Y K 2008 Acta Phys. Sin. 57 4891 (in Chinese) [姚 欣、高福华、李剑峰、张怡霄、温圣林、郭永康 2008 物理学报 57 4891]
[6] Wang K P, Fang C S, Zhang J X, Wang S L, Sun X, Gu Q T, Li Y P 2004 Journal of Synthetics crystals 33 48 (in Chinese) [王坤鹏、房昌水、张建秀、王圣来、孙 洵、顾庆天、李义平 2004 人工晶体学报 33 48]
[7] John A M 2007 J. Opt. Soc. Am. A 24 74
[8] Wegner P, Auerbach J, Biesiada T, Dixit S, Lawson J, Menapace J, Parham T, Swift D, Whitman P, Williams W 2004 Proc. SPIE 5341 180
[9] Yao X, Gao F H, Gao B, Zhang Y X, Wen S L, Guo Y K, Lin X D 2009 Acta Phys. Sin. 58 3130(in Chinese) [姚 欣、高福华、高 博、张怡霄、温圣林、郭永康、 林祥棣 2009 物理学报 58 3130]
[10] Qian L J, Deng X M 1996 Acta Opt. Sin. 16 1223 (in Chinese) [钱列加、邓锡铭 1996 光学学报 16 1223]
[11] Williams W H, Auerbach J M, Henesian M A., Lawson J K, Hunt J T, Sacks R A., Widmayer C C 1998 Proc. SPIE 3264 93
[12] Eimerl D, Auerbach J M, Milonni P W 1995 J. Mod. Opt. 42 1037
[13] Zhao S L, Zhu B Q, Zan T Y, Cai X J, Liu R H, Yang L, Zhang Z X, Bi J J 2006 Acta Phys. Sin. 55 4170 (in Chinese) [赵书林、朱宝强、詹庭宇、蔡希洁、刘仁红、杨 琳、张志祥、毕纪军 2006 物理学报 55 4170]
[14] Adams C 1996 UCRL-ID-126987-Rev.B 187 11
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