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This paper has built the one-dimensional model of the time-varying un-magnetized plasma, and the finite different time domain (FDTD) algorithm is used to calculate the reflection and transmission coefficients, as well as the absorption rate of terahertz (THz) electromagnetic waves in time-varying plasma. The relation between the frequency of the THz wave and the propagation characteristic influenced by rise time, electron density, temperature, and depth of time-varying plasma plate is analyzed. Results demonstrate that the reflection coefficient is mainly influenced by plasma rise time and electron density. The absorption rate increases with decreasing rise time, increasing depth and electron density. Furthermore, the THz electromagnetic wave is an effective tool for the communication of reentry vehicle and high density plasma diagnosis because of its strong penetrability in high density plasma.
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Keywords:
- THz electromagnetic wave /
- time varying plasma /
- propagation characteristic /
- finite difference time domain algorithm
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[2] Yang L X, Shen D H, Shi W D 2013 Acta Phys. Sin. 62 104101(in Chinese) [杨利霞, 沈丹华, 施卫东 2013 62 104101]
[3] Ying X, Zhao Z W, Zhang H, Sun S J 2012 Chin. J. Of Radio. Sci. 27 354(in Chinese) [殷雄, 赵振维, 张厚, 孙树计 2012 电波科学学报 27 354]
[4] Xie K, Li X P, Yang M, Shi L, Liu D L 2012 J. of Astr. 34 1116(in Chinese) [谢楷, 李小平, 杨敏, 石磊, 刘东林 2012 宇航学报 34 1116]
[5] Shi L, Guo B L, Liu Y M, Li J T 2012 Prog. In EM. Res. 123 321
[6] Li J T, Guo L X, Jing S S, Fang Q J 2011 Chin. J. Of Radio. Sci. 26 494(in Chinese) [李江挺, 郭立新, 金莎莎, 方全杰 2011 电波科学学报 26 494]
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[8] Sun C Q, Gao Y, Yang D M 2013 Chin. J. of Vacuum. Sci. & Tech. 33 1209(in Chinese) [孙成琪, 高阳, 杨德明 2013 真空科学与技术学报 33 1209]
[9] Wu S Q, Liu J S, Wan SH L, Hu B 2013 Las. & Infra. 43 1325(in Chinese) [吴四清, 刘劲松, 汪盛烈, 胡兵 2013 激光与红外 43 1325]
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[11] S. P. Jamison, J. L. Shen, D. R. Jones, R. C. Issac, B. Ersfeld 2003 J. Appl. Phys. 93 4334
[12] S. Ebbinghaus, K. Schröck, J. C. Schauer 2006 Plasma Sources Sci. Technol. 15 72
[13] Siegrist M R, Bindslev H, Brazis R, Guyomarc’h D, Hogge J P, Moreau P, Raguotis R 1999 Infrared Phys. Technol. 40 247
[14] Yuan C X, Zhou Z X, Xiang X L, Sun H G, Wang H, Xing M D, Luo Z J 2010 Nucl. Instrum. Meth. B 269 23
[15] Yuan CH X, Zhou ZH X, Xiang X L, Sun H G 2010 Trans. Plasma Sci. 38 3348
[16] Xi Y B, L Y 2012 Plasma Sci. & Technol. 14 05
[17] Xi Y B, L Y 2013 Vacuum 88 160
[18] Liu S B, Z T, Liu M L, H W 2008 Syst. Engineer. Electron. 19 1520
[19] Liu Y, Deng L, Yang Z Z, Duan Y F 2013 Nat. Sci. J. of Xiangtan Univ. 35 33 (in Chinese) [刘洋, 邓磊, 杨植宗, 段永法 2013 湘潭大学自然科学学报 35 33]
[20] Liu S B, Liu S, HONG W 2010 The finite difference time domain method of the dispersion medium (Beijing: Science Press) pp248-258 (in Chinese) [刘少斌, 刘崧, 洪伟2010色散介质时域有限差分方法(北京: 科学出版社)第248–258页]
[21] Zheng L, Zhao Q, Liu X Z, Xing X J 2012 Acta Phys. Sin. 61 245202(in Chinese) [郑灵, 赵青, 刘述章, 邢晓俊 2012 61 245202]
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[1] Wang F, Wei B 2013 Acta Phys. Sin. 62 044101(in Chinese) [王飞, 魏兵 2013 62 044101]
[2] Yang L X, Shen D H, Shi W D 2013 Acta Phys. Sin. 62 104101(in Chinese) [杨利霞, 沈丹华, 施卫东 2013 62 104101]
[3] Ying X, Zhao Z W, Zhang H, Sun S J 2012 Chin. J. Of Radio. Sci. 27 354(in Chinese) [殷雄, 赵振维, 张厚, 孙树计 2012 电波科学学报 27 354]
[4] Xie K, Li X P, Yang M, Shi L, Liu D L 2012 J. of Astr. 34 1116(in Chinese) [谢楷, 李小平, 杨敏, 石磊, 刘东林 2012 宇航学报 34 1116]
[5] Shi L, Guo B L, Liu Y M, Li J T 2012 Prog. In EM. Res. 123 321
[6] Li J T, Guo L X, Jing S S, Fang Q J 2011 Chin. J. Of Radio. Sci. 26 494(in Chinese) [李江挺, 郭立新, 金莎莎, 方全杰 2011 电波科学学报 26 494]
[7] Cui P Y, Dou Q, Gao A 2012 J. of Astr. 35 01(in Chinese) [崔平远, 窦强, 高艾 2012 宇航学报 35 01]
[8] Sun C Q, Gao Y, Yang D M 2013 Chin. J. of Vacuum. Sci. & Tech. 33 1209(in Chinese) [孙成琪, 高阳, 杨德明 2013 真空科学与技术学报 33 1209]
[9] Wu S Q, Liu J S, Wan SH L, Hu B 2013 Las. & Infra. 43 1325(in Chinese) [吴四清, 刘劲松, 汪盛烈, 胡兵 2013 激光与红外 43 1325]
[10] Li Z Y, Yao J Q, Xu D G, Zhong K, Wang J L, Bing P B 2011 Chin. Phys. B 20 054207
[11] S. P. Jamison, J. L. Shen, D. R. Jones, R. C. Issac, B. Ersfeld 2003 J. Appl. Phys. 93 4334
[12] S. Ebbinghaus, K. Schröck, J. C. Schauer 2006 Plasma Sources Sci. Technol. 15 72
[13] Siegrist M R, Bindslev H, Brazis R, Guyomarc’h D, Hogge J P, Moreau P, Raguotis R 1999 Infrared Phys. Technol. 40 247
[14] Yuan C X, Zhou Z X, Xiang X L, Sun H G, Wang H, Xing M D, Luo Z J 2010 Nucl. Instrum. Meth. B 269 23
[15] Yuan CH X, Zhou ZH X, Xiang X L, Sun H G 2010 Trans. Plasma Sci. 38 3348
[16] Xi Y B, L Y 2012 Plasma Sci. & Technol. 14 05
[17] Xi Y B, L Y 2013 Vacuum 88 160
[18] Liu S B, Z T, Liu M L, H W 2008 Syst. Engineer. Electron. 19 1520
[19] Liu Y, Deng L, Yang Z Z, Duan Y F 2013 Nat. Sci. J. of Xiangtan Univ. 35 33 (in Chinese) [刘洋, 邓磊, 杨植宗, 段永法 2013 湘潭大学自然科学学报 35 33]
[20] Liu S B, Liu S, HONG W 2010 The finite difference time domain method of the dispersion medium (Beijing: Science Press) pp248-258 (in Chinese) [刘少斌, 刘崧, 洪伟2010色散介质时域有限差分方法(北京: 科学出版社)第248–258页]
[21] Zheng L, Zhao Q, Liu X Z, Xing X J 2012 Acta Phys. Sin. 61 245202(in Chinese) [郑灵, 赵青, 刘述章, 邢晓俊 2012 61 245202]
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