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双色场下紫外超短脉冲的频谱展宽

吴洪 王燕玲 丁良恩

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双色场下紫外超短脉冲的频谱展宽

吴洪, 王燕玲, 丁良恩

Spectrum broadening of ultrashort ultraviolet pulse in dual-color laser field

Wu Hong, Wang Yan-Ling, Ding Liang-En
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  • 当共线传输的双色强激光脉冲满足时间重叠时,其等离子体通道间将出现强烈的耦合作用,由此引起的交叉相位调制可产生强烈的非线性效应,使紫外超短脉冲的频谱展宽效应得到增强.将由钛宝石激光系统经三倍频得到的能量为045 mJ、带宽为15 nm的紫外脉冲和能量为71 mJ的近红外脉冲共线聚焦后,在氩气样品池中分别诱导产生等离子体通道,发现紫外脉冲光谱受到明显调制.调制后的光谱半高全宽增至64 nm,为聚焦前谱宽的4倍,是单束紫外脉冲成丝时谱宽的25倍.实验着重研究在不同时间延迟、耦合位置和气体压强情况下,双
    When collinear dual-color intense laser pulses are overlapped in time, a strong coupling interaction occurs between their plasma filaments. Due to the cross phase modulation, strong non-linear effects are generated and the spectrum width of the ultrafast ultraviolet (UV) pulse is further broadened. The original UV pulse with a bandwidth of 15 nm and energy of 045 mJ is obtained by tripling the frequency of a Ti:sapphire laser system. The UV pulse and the near inferred pulse of 71 mJ can induce plasma filaments separately after focusing within an argon gas cell, leading to an obvious modulation of the UV spectrum. The full width at half maximum of UV spectrum increases to 64 nm which is 4 times the width of spectrum before focusing and 25 times the width of single ultraviolet filament broadening. In this experiment, we mainly study the frequency spectrum evolution of dual-color co-filament in argon gas under the condition of different time delays, coupling locations and gas pressures. Optimizing these factors can yield a valid approach to achieving extremely ultrafast pulses in the range of ultraviolet.
    • 基金项目: 国家重点基础研究发展计划(批准号:2006CB806001)和上海市重点学科建设基金(批准号:B408)资助的课题.
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    [16]

    ] Wille H, Rodriguez M, Kasparian J, Mondelain D, Yu J, Mysyrowicz A, Sauerbrey R, Wolf J P, Woste L 2002 Eur. Phys. J.: Appl. Phys. 20 183

    [17]

    ] Skupin S, Bergé L, Peschel U, Lederer F, Mejean G, Yu J, Kasparian J, Salmon E, Wolf J P, Rodriguez M, Woste L, Bourayou R, Sauerbrey R 2004 Phys. Rev. E 70 046602

    [18]

    ] Walter D, Eyring S, Lobhreier J, Spitzenpfeil R, Spielmann C 2007 Appl. Phys. B 88 175

    [19]

    ] Ackermann R, Salmon E, Lascoux N, Kasparian J, Rohwetter P, Stelmaszczyk K, Li S H, Lindinger A, Wste L, Béjot P, Bonacina L, Wolf J P 2006 Appl. Phys. Lett. 89 171117

    [20]

    ] Kolesik M, Roskey D E, Moloney J V 2007 Opt. Lett. 32 2753

    [21]

    ] Béjot P, Kasparian J, Wolf J P 2008 Opt. Express 16 14115

    [22]

    ] Becker A, Akzbek N, Vijayalakshmi K, Oral E, Bowden C M, Chin S L 2001 Appl. Phys. B 73 287

    [23]

    ] Kasparian J, Sauerbrey R, Chin S L 2000 Appl. Phys. B 71 877

    [24]

    ] Zhang L P, Li H N, Wu H, Li X, Ding L E 2008 Acta Phys. Sin. 57 904 (in Chinese) [张丽平、 李海宁、吴洪、李贤、丁良恩 2008 物理学报 57 904]

    [25]

    ] Couairon A, Chakraborty H S, Gaarde M B 2008 Phys. Rev. A 77 053814

    [26]

    ] Hu W Y, Wang E Y, Li W X, Ding L E 2007 Acta Opt. Sin. 27 181(in Chinese) [胡婉约、王二玉、李文雪、丁良恩 2007 光学学报 27 181]

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  • [1]

    [1]Chen X W, Liu J, Zhu Y, Leng Y X, Ge X C, Li R X, Xu Z Z 2005 Acta Phys. Sin. 54 3665 (in Chinese) [陈晓伟、 刘军、朱毅、冷雨欣、葛晓春、李儒新、徐至展 2005 物理学报 54 3665]

    [2]

    [2] Brixner T, Damrauer N H, Niklaus P, Gerber G 2001 Nature 414 57

    [3]

    [3] Kasparian J, Rodriguez M, Mejean G, Yu J, Salmon E, Wille H, Bourayou R, Frey S, Andre Y B, Mysyrowicz A, Sauerbrey R, Wolf J P, Woste L 2003 Science 301 61

    [4]

    [4] Couairon A, Mysyrowicz A 2007 Phys. Rep. 44 47

    [5]

    [5] Cao S Y, Song Z M, Qin Y, Wang Q Y, Zhang Z G 2009 Acta Phys. Sin. 58 3971 (in Chinese) [曹士英、 宋振明、秦瑀、王清月、张志刚 2009 物理学报 58 3971]

    [6]

    [6] Kasparian J, Wolf J P 2008 Opt. Express 16 466

    [7]

    [7] Fuji T, Horio T, Suzuki T 2007 Opt. Lett. 32 2481

    [8]

    [8] Zair A, Guandalini A, Schapper F, Holler M, Biegert J, Gallmann L, Couairon A, Franco M, Mysyrowicz A, Keller U 2007 Opt. Express 15 5394

    [9]

    [9] Trushin S A, Kosma K, Fuss W, Schmid E 2007 Opt. Lett. 32 2432

    [10]

    ] Chen X, Li X, Liu J, Wei P, Ge X, Li R, Xu Z 2007 Opt. Lett. 32 2402

    [11]

    ] Fuji T, Suzuki T 2007 Opt. Lett. 32 3330

    [12]

    ] Hauri C P, Kornelis W, Helbing F W, Heinrich A, Couairon A, Mysyrowicz A, Biegert J, Keller U 2004 Appl. Phys. B 79 673

    [13]

    ] Couairon A, Biegert J, Hauri C P, Kornelis W, Helbing F W, Keller U, Mysyrowicz A 2006 J. Mod. Opt. 53 75

    [14]

    ] Couairon A, Franco M, Mysyrowicz A, Biegert J, Keller U 2005 Opt. Lett. 30 2657

    [15]

    ] Hauri C P, Guandalini A, Eckle P, Kornelis W, Biegert J, Keller U 2005 Opt. Express 13 7541

    [16]

    ] Wille H, Rodriguez M, Kasparian J, Mondelain D, Yu J, Mysyrowicz A, Sauerbrey R, Wolf J P, Woste L 2002 Eur. Phys. J.: Appl. Phys. 20 183

    [17]

    ] Skupin S, Bergé L, Peschel U, Lederer F, Mejean G, Yu J, Kasparian J, Salmon E, Wolf J P, Rodriguez M, Woste L, Bourayou R, Sauerbrey R 2004 Phys. Rev. E 70 046602

    [18]

    ] Walter D, Eyring S, Lobhreier J, Spitzenpfeil R, Spielmann C 2007 Appl. Phys. B 88 175

    [19]

    ] Ackermann R, Salmon E, Lascoux N, Kasparian J, Rohwetter P, Stelmaszczyk K, Li S H, Lindinger A, Wste L, Béjot P, Bonacina L, Wolf J P 2006 Appl. Phys. Lett. 89 171117

    [20]

    ] Kolesik M, Roskey D E, Moloney J V 2007 Opt. Lett. 32 2753

    [21]

    ] Béjot P, Kasparian J, Wolf J P 2008 Opt. Express 16 14115

    [22]

    ] Becker A, Akzbek N, Vijayalakshmi K, Oral E, Bowden C M, Chin S L 2001 Appl. Phys. B 73 287

    [23]

    ] Kasparian J, Sauerbrey R, Chin S L 2000 Appl. Phys. B 71 877

    [24]

    ] Zhang L P, Li H N, Wu H, Li X, Ding L E 2008 Acta Phys. Sin. 57 904 (in Chinese) [张丽平、 李海宁、吴洪、李贤、丁良恩 2008 物理学报 57 904]

    [25]

    ] Couairon A, Chakraborty H S, Gaarde M B 2008 Phys. Rev. A 77 053814

    [26]

    ] Hu W Y, Wang E Y, Li W X, Ding L E 2007 Acta Opt. Sin. 27 181(in Chinese) [胡婉约、王二玉、李文雪、丁良恩 2007 光学学报 27 181]

    [27]

    ] Chin S L, Hosseini S A, Liu W, Luo Q, Théberge F, Akzbek N, Becker A, Kandidov V P, Kosareva O G, Schroeder H 2005 Can. J. Phys. 83 863

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出版历程
  • 收稿日期:  2009-07-31
  • 修回日期:  2010-01-22
  • 刊出日期:  2010-03-05

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