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The characteristics of high-order harmonic generation (HHG) driven by 5 fs laser pulses interacting with argon under tightly focused geometry are investigated in this paper. By carefully optimizing parameters like dispersion, gas pressure and gas cell position, the enhanced HHG with nearly one order of magnitude in a range of 60-73 eV is observed. Based on single atom approximation and Maxwell propagation equations, numerical simulation is conducted to compare with the experimental characterization with proper parameter. It is proved that the phase-matching plays a crucial role in this phenomenon showing that the theoretical results are in agreement with the experimental results.
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Keywords:
- X-ray /
- high-order harmonic generation /
- ultrafast spectroscope
[1] Ferray M, L'Huillier A, Li X-F, Lompre L, Mainfray G, Manus C 1988 J. Phys. B 21 L31
[2] Gibson E, Paul A, Wagner N, Tobey R, Gaudiosi D, Backus S, Christov I, Aquila A, Gullikson E, Attwood D, Murname M, Kapteyn H 2003 Science 302 95
[3] Krausz F, Ivanov M 2009 Rev. Mod. Phys. 81 163
[4] Corkum P B 1993 Phys. Rev. Lett. 71 1994
[5] Lewenstein M, Balcou P, Ivanov M, L'Huillier A, Corkum P B 1994 Phys. Rev. A 49 2117
[6] Togashi T, Takahashi E, Midorikawa 2011 Opt. Express 19 317
[7] Lewenstein M, Salières P, L' Huillier A 1993 Phys. Rev. A 48 3433
[8] Antoine P, L' Huillier A, Lewenstein M 1996 Phys. Rev. Lett. 77 1234
[9] Lindner F, Paulus G, Walther H, Baltuška A, Goulielmakis E, Lezius M, Krausz F 2004 Phys. Rev. Lett. 92 113001
[10] Gaarde M, Tate J, Schafer K 2008 J. Phys. B: At. Mol. Opt. Phys. 41 132001
[11] Ruchon T, Hauri C, Varjú K Mansten E, Swoboda M, López-Martens R, L' Huillier A 2008 New J. Phys. 10 025027
[12] Salières P, L' Huillier A, Lewenstein M 1995 Phys. Rev. Lett. 74 3776
[13] Li X, Wang G, Zhou X 2014 Chin. Phys. B 23 013102
[14] Zhang W, Teng H, Yun C X, Zhong X, Hou X Wei Z Y 2010 Chin. Phys. Lett. 27 054211
[15] Higuet J, Ruf H, Thire N, Cireasa R, Constant E, Cormier E, Descamps D, Mevel E, Petit S, Pons B, Mairesse Y, Fabre B 2011 Phys. Rev. A 83 053401
[16] Priori E, Cerullo G, Nisoli M, Stagira S, Silvestri S, Villoresi P, Poletto L, Ceccherini P, Altucci C, Bruzzese R, Lisio C 2000 Phys. Rev. A 61 063801
[17] Ravasio A, Gauthier D, Maia F 2009 Phys. Rev. Lett. 103 028104
[18] Poletto L, Villoresi P, Benedetti E, Ferrari F, Stagira S, Sansone G, Nisoli M 2011 Opt. Lett. 32 2897
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[1] Ferray M, L'Huillier A, Li X-F, Lompre L, Mainfray G, Manus C 1988 J. Phys. B 21 L31
[2] Gibson E, Paul A, Wagner N, Tobey R, Gaudiosi D, Backus S, Christov I, Aquila A, Gullikson E, Attwood D, Murname M, Kapteyn H 2003 Science 302 95
[3] Krausz F, Ivanov M 2009 Rev. Mod. Phys. 81 163
[4] Corkum P B 1993 Phys. Rev. Lett. 71 1994
[5] Lewenstein M, Balcou P, Ivanov M, L'Huillier A, Corkum P B 1994 Phys. Rev. A 49 2117
[6] Togashi T, Takahashi E, Midorikawa 2011 Opt. Express 19 317
[7] Lewenstein M, Salières P, L' Huillier A 1993 Phys. Rev. A 48 3433
[8] Antoine P, L' Huillier A, Lewenstein M 1996 Phys. Rev. Lett. 77 1234
[9] Lindner F, Paulus G, Walther H, Baltuška A, Goulielmakis E, Lezius M, Krausz F 2004 Phys. Rev. Lett. 92 113001
[10] Gaarde M, Tate J, Schafer K 2008 J. Phys. B: At. Mol. Opt. Phys. 41 132001
[11] Ruchon T, Hauri C, Varjú K Mansten E, Swoboda M, López-Martens R, L' Huillier A 2008 New J. Phys. 10 025027
[12] Salières P, L' Huillier A, Lewenstein M 1995 Phys. Rev. Lett. 74 3776
[13] Li X, Wang G, Zhou X 2014 Chin. Phys. B 23 013102
[14] Zhang W, Teng H, Yun C X, Zhong X, Hou X Wei Z Y 2010 Chin. Phys. Lett. 27 054211
[15] Higuet J, Ruf H, Thire N, Cireasa R, Constant E, Cormier E, Descamps D, Mevel E, Petit S, Pons B, Mairesse Y, Fabre B 2011 Phys. Rev. A 83 053401
[16] Priori E, Cerullo G, Nisoli M, Stagira S, Silvestri S, Villoresi P, Poletto L, Ceccherini P, Altucci C, Bruzzese R, Lisio C 2000 Phys. Rev. A 61 063801
[17] Ravasio A, Gauthier D, Maia F 2009 Phys. Rev. Lett. 103 028104
[18] Poletto L, Villoresi P, Benedetti E, Ferrari F, Stagira S, Sansone G, Nisoli M 2011 Opt. Lett. 32 2897
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