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Ablative Rayleigh-Taylor growth was measured with single-mode modulated planar CH foil with different ratio of Br dopant at Shenguang Ⅱ laser facility. Results show that CH (6% Br) sample first enters the nonlinear regime and has the largest perturbation amplitude of second harmonic. The reason is that the density gradient effects can suppress the generation of the second harmonic, the more the Br is doped, the smaller the density gradient scale length can be achieved. The density gradient effects also suppress the feedback of third-order harmonic to the fundamental mode, which induces the nonlinear saturation amplitude to exceed 0.1λ, as the classical prediction shows.
[1] Remington B A, Weber S V, Marinak M M, Haan S W, Kilkenny J D, Wallace R J, Dimonte G 1995 Phys. Plasmas 2 241
[2] Park H S, Remington B A, Becker R C, Bernier J V, Cacallo R M, Lorenz K T, Pollaine S M, Prisbrey S T, Rudd R E, Barton N R 2010 Phys. Plasmas 17 056314
[3] Casner A, Galmiche D, Huser G, Jadaud J P, Liberatore S, Vandenboomgaerde M 2009 Phys. Plasmas 16 092701
[4] Budil K S, Lasinski B, Edwards M J, Wan A S, Remington B A, Weber S V, Glendinning S G, Suter L, Stry P E 2001 Phys. Plasmas 8 2344
[5] Sakaiya T, Azechi H, Matsuoka M, Izumi N, Nakia M, Shigemori K, Shriaga H, Sunahara A, Takabe H, Yamanaka T 2002 Phys. Rev. Lett. 88 145003
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[7] Casner A, Smalyuk V A, Masse L, Igumenshchev I, Liberatore S, Jacquet L, Chicanne C, Loiseau P, Poujade O, Bradley D K, Park H S, Remington B A 2012 Phys. Plasmas 19 082708
[8] Marinak M M, Glendinning S G, Wallace R J, Remington B A, Weber S V, Hann S W, Collins G W 2002 Phys. Plasmas 9 3567
[9] Shigemori K, Azechi H, Nakai M, Honda M, Meguro K, Miyanaga N, Takabe H, Mima K 1997 Phys. Rev. Lett. 78 250
[10] Watari T, Nakai M, Azechi H, Sakaiya T, Shiraga H, Shigemori K, Fujioka S, Otani K, Nagai K, Sunahara A, Nagatomo H, Mita K 2008 Phys. Plasmas 15 092109
[11] Wang R R, Chen W M, Wang W, Dong J Q, Xiao S L 2010 Chin. Phys. B 19 075202
[12] Fang Z H, Wang W, Jia G, Dong J Q, Xiong J, Zheng W D, Li Y S, Luo Q P, Fu S Z, Gu Y, Wang S J 2009 Acta Phys. Sin. 58 7057 (in Chinese) [方志恒, 王伟, 贾果, 董佳钦, 熊俊, 郑无敌, 李永生, 罗庆平, 傅思祖, 顾援, 王世绩 2009 58 7057]
[13] Cao Z R, Miao W Y, Dong J J, Yuan Y T, Yang Z H, Yuan Z, Zhang H Y, Liu S Y, Jiang S E, Ding Y K 2012 Acta Phys. Sin. 61 075213 (in Chinese) [曹柱荣, 缪文勇, 董建军, 袁永腾, 杨振华, 袁铮, 张海鹰, 刘慎业, 江少恩, 丁永坤 2012 61 075213]
[14] Yuan Y T, Hao Y D, Hou L F, Tu S Y, Deng B, Hu X, Yi R Q, Cao Z R, Jiang S E, Liu S Y, Ding Y K, Miao W Y 2012 Acta Phys. Sin. 61 115203 (in Chinese) [袁永腾, 郝轶聃, 侯立飞, 涂绍勇, 邓博, 胡昕, 易荣清, 曹柱荣, 江少恩, 刘慎业, 丁永坤, 缪文勇 2012 61 115203]
[15] Wang L F, Ye W H, Li Y J 2010 Phys. Plasmas 17 052305
[16] Wang L F, Ye W H, He X T 2012 Phys. Plasmas 19 012706
[17] Fan Z F, Luo J S, Ye W H 2009 Phys. Plasmas 16 102104
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[1] Remington B A, Weber S V, Marinak M M, Haan S W, Kilkenny J D, Wallace R J, Dimonte G 1995 Phys. Plasmas 2 241
[2] Park H S, Remington B A, Becker R C, Bernier J V, Cacallo R M, Lorenz K T, Pollaine S M, Prisbrey S T, Rudd R E, Barton N R 2010 Phys. Plasmas 17 056314
[3] Casner A, Galmiche D, Huser G, Jadaud J P, Liberatore S, Vandenboomgaerde M 2009 Phys. Plasmas 16 092701
[4] Budil K S, Lasinski B, Edwards M J, Wan A S, Remington B A, Weber S V, Glendinning S G, Suter L, Stry P E 2001 Phys. Plasmas 8 2344
[5] Sakaiya T, Azechi H, Matsuoka M, Izumi N, Nakia M, Shigemori K, Shriaga H, Sunahara A, Takabe H, Yamanaka T 2002 Phys. Rev. Lett. 88 145003
[6] Budil K S, Remington B A, Peyser T A, Mikaelian K O, Miller P L, Woolsey N C, Wood-Vasey W M, Rubenchik A M 1996 Phys. Rev. Lett. 76 4536
[7] Casner A, Smalyuk V A, Masse L, Igumenshchev I, Liberatore S, Jacquet L, Chicanne C, Loiseau P, Poujade O, Bradley D K, Park H S, Remington B A 2012 Phys. Plasmas 19 082708
[8] Marinak M M, Glendinning S G, Wallace R J, Remington B A, Weber S V, Hann S W, Collins G W 2002 Phys. Plasmas 9 3567
[9] Shigemori K, Azechi H, Nakai M, Honda M, Meguro K, Miyanaga N, Takabe H, Mima K 1997 Phys. Rev. Lett. 78 250
[10] Watari T, Nakai M, Azechi H, Sakaiya T, Shiraga H, Shigemori K, Fujioka S, Otani K, Nagai K, Sunahara A, Nagatomo H, Mita K 2008 Phys. Plasmas 15 092109
[11] Wang R R, Chen W M, Wang W, Dong J Q, Xiao S L 2010 Chin. Phys. B 19 075202
[12] Fang Z H, Wang W, Jia G, Dong J Q, Xiong J, Zheng W D, Li Y S, Luo Q P, Fu S Z, Gu Y, Wang S J 2009 Acta Phys. Sin. 58 7057 (in Chinese) [方志恒, 王伟, 贾果, 董佳钦, 熊俊, 郑无敌, 李永生, 罗庆平, 傅思祖, 顾援, 王世绩 2009 58 7057]
[13] Cao Z R, Miao W Y, Dong J J, Yuan Y T, Yang Z H, Yuan Z, Zhang H Y, Liu S Y, Jiang S E, Ding Y K 2012 Acta Phys. Sin. 61 075213 (in Chinese) [曹柱荣, 缪文勇, 董建军, 袁永腾, 杨振华, 袁铮, 张海鹰, 刘慎业, 江少恩, 丁永坤 2012 61 075213]
[14] Yuan Y T, Hao Y D, Hou L F, Tu S Y, Deng B, Hu X, Yi R Q, Cao Z R, Jiang S E, Liu S Y, Ding Y K, Miao W Y 2012 Acta Phys. Sin. 61 115203 (in Chinese) [袁永腾, 郝轶聃, 侯立飞, 涂绍勇, 邓博, 胡昕, 易荣清, 曹柱荣, 江少恩, 刘慎业, 丁永坤, 缪文勇 2012 61 115203]
[15] Wang L F, Ye W H, Li Y J 2010 Phys. Plasmas 17 052305
[16] Wang L F, Ye W H, He X T 2012 Phys. Plasmas 19 012706
[17] Fan Z F, Luo J S, Ye W H 2009 Phys. Plasmas 16 102104
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