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针对激光间接驱动装置中的六端注入球形靶腔结构, 提出了新型光路排布方案, 即单端集束分两环注入(内环注入角度为35、外环注入角度为55). 为了对激光集束在球形腔壁上的辐照特性进行评价, 提出了利用光通量对比度和FOPAI来评价单集束在球腔壁上光斑的均匀性, 以及利用离散度和占空比来评价全部集束在球腔壁上光斑分布的均匀性. 结果表明, 新型光路排布方案与传统光路排布方案相比, 集束在腔壁上的辐照特性保持一致, 不仅可缓解在激光注入孔处的堵孔问题, 而且还可避免传统光路排布方案中集束以小角度入射时在腔内传输所导致的复杂交叉重叠问题. 新型光路排布方案可为球形腔结构在激光间接驱动装置中的方案设计提供有用参考.In traditional laser quads arrangement schemes for spherical hohlraum in indirect-driven laser facilities, the laser quads to bring about the laser entrance hole (LEH) to close when they are incident at a large angle (55), while the complicated cross and overlap of laser quads inside the spherical hohlraum may be generated when they are incident at a small angle (35). To overcome these problems, a novel laser quads arrangement scheme for spherical hohlraum is proposed. The laser quads injected into the single LEH are divided into two cones (the incident angle of the inner cone is 35, and that of the outer cone is 55). Furthermore, the contrast and the fractional power above the intensity have been proposed to evaluate the irradiation uniformity of single laser quad, while the dispersion degree and the duty ratio are proposed to evaluate the distribution uniformity of all laser quads on the spherical hohlraum wall. Based on the beam smoothing scheme implemented by the combination of one-dimensional smoothing by spectral dispersion, the continuous phase plate and polarization control plate, the propagation model of laser quads in the spherical hohlraum has been built up, and further used to analyze the irradiation uniformity of single laser quad and all the laser quads on the spherical hohlraum wall. On this basis, the irradiation characteristics on the LEHs and the spherical hohlraum wall, and the propagation characteristic of laser quads in the novel and traditional laser quads arrangement schemes have been analyzed and compared. Results indicate that, compared with the traditional arrangement scheme of laser quads, the novel laser quads arrangement scheme has following advantages: The irradiation uniformity on the spherical hohlraum wall of single laser quad and all laser quads remains unchanged. Not only the LEH closure problem can be alleviated, but also the complicated cross and overlap of laser quads inside the spherical hohlraum in the traditional scheme could be avoided. The novel scheme may provide useful reference for the design of spherical hohlraum structure in laser indirect-driven facilities due to its obvious advantages over the traditional scheme.
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Keywords:
- indirect-drive /
- spherical hohlraum /
- laser quads arrangement /
- propagation characteristics
[1] Yang C L, Zhang R Z, Xu Q, Ma P 2008 Appl. Opt. 47 1465
[2] Skupsky S, Short R W, Kessler T, Craxton R S, Letzring S, Soures J M 1989 J. Appl. Phys. 66 3456
[3] Dixit S N, Lawson J K, Manes K R, Powell H T 1994 Opt. lett. 19 417
[4] Fu S Z, Sun Y Q, Huang X G, Wu J, Zhou G L, Gu Y 2003 Chinese Journal of Lasers 30 129 (in Chinese) [傅思祖, 孙玉琴, 黄秀光, 吴江, 周关林, 顾援 2003 中国激光 30 129]
[5] Nagel S R, Haan S W, Rygg J R, Barrios M, Benedetti L R, Bradley D K, Field J E, Hammel B A, Izumi N, Jones O S, Khan S F, Ma T, Pak A E, Tommasini R, Town R P J 2015 Phys. Plasmas 22 022704
[6] Cheng N B, Li F Q, Feng B, Jia H T, Xiang Y, Wei X F 2015 Chinese Journal of Lasers. 42 0202005 (in Chinese) [程宁波, 李富全, 冯斌, 贾怀庭, 向勇, 魏晓峰 2015 中国激光 42 0202005]
[7] Zhang R 2006 Ph. D. Dissertation(Mianyang: China Academy of Engineering Physics) (in Chinese) [张锐 2006 博士学位论文 (绵阳: 中国工程物理研究院)]
[8] Wang M C, Zhu M Z, Chen G, Wu W K, Fu X N 2013 Laser Optoelectron. Prog. 50 011403 (in Chinese) [王美聪, 朱明智, 陈刚, 吴文凯, 傅学农 2013 激光与光电子学进展 50 011403]
[9] Li H, Pu Y D, Jing L F, Lin Z W, Chen B L, Jiang W, Zhou J Y, Huang T X, Zhang H Y, Yu R Z, Zhang J Y, Miao W Y, Zheng Z J, Cao Z R, Yang J M, Liu S Y, Jiang S E, Ding Y K, Kuang L Y, Hu G Y, Zheng J 2013 Acta Phys. Sin. 62 225204 (in Chinese) [黎航, 蒲昱东, 景龙飞, 林雉伟, 陈伯伦, 蒋炜, 周近宇, 黄天晅, 张海鹰, 于瑞珍, 张继彦, 缪文勇, 郑志坚, 曹柱荣, 杨家敏, 刘慎业, 江少恩, 丁永坤, 况龙钰, 胡广月, 郑坚 2013 62 225204]
[10] Moody J D, Michel P, Divol L, Berger R L, Bond E, Bradley D K, Callahan D. A, Dewald E L, Dixit S, Edwards M J, Glenn S, Hamza A, Haynam C, Hinkel D E, Izumi N, Jones O, Kilkenny J D, Kirkwood R K, Kline J L, Kruer W L, Kyrala G A, Landen O L, Pape S L, Lindl J D, Gowan B J, Meezan N B, Nikroo A, Rosen M D, Schneider M B, Strozzi D J, Suter L J, Thomas C A, Town R P J, Widmann K, Williams E A, Atherton L J, Glenzer S H, Moses E I 2012 Nat. Phys. 8 334
[11] Zhong Z Q, Zhou B J, Ye R, Zhang B 2014 Acta Phys. Sin. 63 035201 (in Chinese) [钟哲强, 周冰结, 叶荣, 张彬 2014 63 035201]
[12] Fan X M, Lv Z W, Lin D Y, Wang Y L 2013 Chin. Phys. B 22 104210
[13] Lindl J D, Amendt P, Berger R L, Glendinning S G, Siegfried H G, Haan S W, Kauffman R L, Landen O L, Suter L J 2004 Phys. Plasmas 11 339
[14] Lan K, He X T, Liu J 2014 Phys. Plasmas 21 052704
[15] Lan K, Zheng W D 2014 Phys. Plasmas 21 090704
[16] Lan K, Liu J, Lai D 2014 Phys. Plasmas 21 010704
[17] Michel P, Divol L, Williams E A, Thomas C A, Callahan D A, Weber S, Haan S W, Salmonson J D, Meezan N B, Landen O L, Dixit S, Hinkel D E, Edwards M J, MacGowan B J, Lindl J D, Glenzer S H, Suter L J 2009 Phys. Plasmas 16 042702
[18] Feng Y J, Wang Z 2015 Laser Optoelectron. Prog. 52 072204 (inChinese) [冯友君, 王忠 2015 激光与光电子学进展 52 072204]
[19] Zhang R, Su J Q, Hu D X, Ping L, Yuan H Y, Zhou W, Yuan Q, Wang Y C, Tian X C, Xu D P, Dong J, Zhu Q H 2015 XX International Symposium on High-Power Laser Systems and Applications Chengdu, August 25, 201492554B-1
[20] Jiang X J, Li J H 2012 Optik-International Journal for Light and Electron Optics 123 1411
[21] Higher Education Press 1979 Mathematics Handbook (Beijing: Higher Education Press) pp789-790 (in Chinese) [(北京: 高等教育出版社) 1979 数学手册 第789-790页]
[22] Wu J D 1985 Coordinate system and coordinate conversion (Wuhan: Hubei Education Press) pp200-230 (in Chinese) [伍家德 1985 坐标系与坐标变换(武汉: 湖北教育出版社) 第200-230页]
[23] L B D 1999 Propagation and control of intense laser (Beijing: National Defence Industry Press) pp3-20 (in Chinese) [吕百达 1999 强激光的传输与控制(北京: 国防工业出版社) 第3-20页]
[24] Zhang B, Lv B D, Xiao J 1998 Acta Phys. Sin 47 1998 (in Chinese) [张彬, 吕百达, 肖俊 1998 47 2000]
[25] Haynam C A, Wegner P J, Auerbach J M 2007 App Opt. 46 3276
[26] Kalantar D H 2000 NASA STI/Recon Technical Report N 3 12615
[27] Li J C 2008 Ph. D. Dissertation (Mianyang: China Academy of Engineering Physics) (in Chinese) [李锦灿 2008 博士学位论文 (绵阳: 中国工程物理研究院)]
[28] Michel P, Rozmus W, Williams E A, Divol L, Berger R L, Town R P J, Glenzer S H, Callahan D A 2012 Phys. Rev. Lett. 109 195004
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[1] Yang C L, Zhang R Z, Xu Q, Ma P 2008 Appl. Opt. 47 1465
[2] Skupsky S, Short R W, Kessler T, Craxton R S, Letzring S, Soures J M 1989 J. Appl. Phys. 66 3456
[3] Dixit S N, Lawson J K, Manes K R, Powell H T 1994 Opt. lett. 19 417
[4] Fu S Z, Sun Y Q, Huang X G, Wu J, Zhou G L, Gu Y 2003 Chinese Journal of Lasers 30 129 (in Chinese) [傅思祖, 孙玉琴, 黄秀光, 吴江, 周关林, 顾援 2003 中国激光 30 129]
[5] Nagel S R, Haan S W, Rygg J R, Barrios M, Benedetti L R, Bradley D K, Field J E, Hammel B A, Izumi N, Jones O S, Khan S F, Ma T, Pak A E, Tommasini R, Town R P J 2015 Phys. Plasmas 22 022704
[6] Cheng N B, Li F Q, Feng B, Jia H T, Xiang Y, Wei X F 2015 Chinese Journal of Lasers. 42 0202005 (in Chinese) [程宁波, 李富全, 冯斌, 贾怀庭, 向勇, 魏晓峰 2015 中国激光 42 0202005]
[7] Zhang R 2006 Ph. D. Dissertation(Mianyang: China Academy of Engineering Physics) (in Chinese) [张锐 2006 博士学位论文 (绵阳: 中国工程物理研究院)]
[8] Wang M C, Zhu M Z, Chen G, Wu W K, Fu X N 2013 Laser Optoelectron. Prog. 50 011403 (in Chinese) [王美聪, 朱明智, 陈刚, 吴文凯, 傅学农 2013 激光与光电子学进展 50 011403]
[9] Li H, Pu Y D, Jing L F, Lin Z W, Chen B L, Jiang W, Zhou J Y, Huang T X, Zhang H Y, Yu R Z, Zhang J Y, Miao W Y, Zheng Z J, Cao Z R, Yang J M, Liu S Y, Jiang S E, Ding Y K, Kuang L Y, Hu G Y, Zheng J 2013 Acta Phys. Sin. 62 225204 (in Chinese) [黎航, 蒲昱东, 景龙飞, 林雉伟, 陈伯伦, 蒋炜, 周近宇, 黄天晅, 张海鹰, 于瑞珍, 张继彦, 缪文勇, 郑志坚, 曹柱荣, 杨家敏, 刘慎业, 江少恩, 丁永坤, 况龙钰, 胡广月, 郑坚 2013 62 225204]
[10] Moody J D, Michel P, Divol L, Berger R L, Bond E, Bradley D K, Callahan D. A, Dewald E L, Dixit S, Edwards M J, Glenn S, Hamza A, Haynam C, Hinkel D E, Izumi N, Jones O, Kilkenny J D, Kirkwood R K, Kline J L, Kruer W L, Kyrala G A, Landen O L, Pape S L, Lindl J D, Gowan B J, Meezan N B, Nikroo A, Rosen M D, Schneider M B, Strozzi D J, Suter L J, Thomas C A, Town R P J, Widmann K, Williams E A, Atherton L J, Glenzer S H, Moses E I 2012 Nat. Phys. 8 334
[11] Zhong Z Q, Zhou B J, Ye R, Zhang B 2014 Acta Phys. Sin. 63 035201 (in Chinese) [钟哲强, 周冰结, 叶荣, 张彬 2014 63 035201]
[12] Fan X M, Lv Z W, Lin D Y, Wang Y L 2013 Chin. Phys. B 22 104210
[13] Lindl J D, Amendt P, Berger R L, Glendinning S G, Siegfried H G, Haan S W, Kauffman R L, Landen O L, Suter L J 2004 Phys. Plasmas 11 339
[14] Lan K, He X T, Liu J 2014 Phys. Plasmas 21 052704
[15] Lan K, Zheng W D 2014 Phys. Plasmas 21 090704
[16] Lan K, Liu J, Lai D 2014 Phys. Plasmas 21 010704
[17] Michel P, Divol L, Williams E A, Thomas C A, Callahan D A, Weber S, Haan S W, Salmonson J D, Meezan N B, Landen O L, Dixit S, Hinkel D E, Edwards M J, MacGowan B J, Lindl J D, Glenzer S H, Suter L J 2009 Phys. Plasmas 16 042702
[18] Feng Y J, Wang Z 2015 Laser Optoelectron. Prog. 52 072204 (inChinese) [冯友君, 王忠 2015 激光与光电子学进展 52 072204]
[19] Zhang R, Su J Q, Hu D X, Ping L, Yuan H Y, Zhou W, Yuan Q, Wang Y C, Tian X C, Xu D P, Dong J, Zhu Q H 2015 XX International Symposium on High-Power Laser Systems and Applications Chengdu, August 25, 201492554B-1
[20] Jiang X J, Li J H 2012 Optik-International Journal for Light and Electron Optics 123 1411
[21] Higher Education Press 1979 Mathematics Handbook (Beijing: Higher Education Press) pp789-790 (in Chinese) [(北京: 高等教育出版社) 1979 数学手册 第789-790页]
[22] Wu J D 1985 Coordinate system and coordinate conversion (Wuhan: Hubei Education Press) pp200-230 (in Chinese) [伍家德 1985 坐标系与坐标变换(武汉: 湖北教育出版社) 第200-230页]
[23] L B D 1999 Propagation and control of intense laser (Beijing: National Defence Industry Press) pp3-20 (in Chinese) [吕百达 1999 强激光的传输与控制(北京: 国防工业出版社) 第3-20页]
[24] Zhang B, Lv B D, Xiao J 1998 Acta Phys. Sin 47 1998 (in Chinese) [张彬, 吕百达, 肖俊 1998 47 2000]
[25] Haynam C A, Wegner P J, Auerbach J M 2007 App Opt. 46 3276
[26] Kalantar D H 2000 NASA STI/Recon Technical Report N 3 12615
[27] Li J C 2008 Ph. D. Dissertation (Mianyang: China Academy of Engineering Physics) (in Chinese) [李锦灿 2008 博士学位论文 (绵阳: 中国工程物理研究院)]
[28] Michel P, Rozmus W, Williams E A, Divol L, Berger R L, Town R P J, Glenzer S H, Callahan D A 2012 Phys. Rev. Lett. 109 195004
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