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We report on the generation of millijoules supercontinuum, which covers waveband from ～ 400 nm to ～ 900 nm wavelength, by intense femtosecond laser pulse propagating in 3 mm thick fused silica. The fused silica is placed in front of the geometric focus of incident laser pulse to prevent the breakdown. The dependences of supercontinuum spectrum on incident pulse energy and off-focus distance of medium are investigated in detail. Our work demonstrates that strong supercontinuum can be generated using off-focus pump of solid transparent medium with energetic incident pulses.
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Keywords:
- supercontinuum /
- femtosecond laser pulses /
- fused silica /
- white light continuum
[1] Alfano R R 2006 The Supercontinuum Laser Source: Fundamentals with Updated References (2nd Ed.) (New York: Springer) p473
[2] Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 584
[3] Couairon A, Mysyrowicz A 2007 Phys. Reports 441 47
[4] Brodeur A, Chin S L 1998 Phys. Rev. Lett. 80 4406
[5] Fang X J, Kobayashi T 2003 Appl. Phys. B 77 167
[6] Dharmadhikari A K, Rajgara F A, Mathur D 2005 App. Phys. B 80 61
[7] Ashihara S, Kawahara Y 2009 Opt. Lett. 34 3839
[8] Bückers J, Wildanger D, Vicidomini G, Kastrup L, Hell S W 2011 Opt. Express 19 3130
[9] Stark S P, Steinmetz T, Probst R A, Hundertmark H, Wilken T, Hänsch T W, Udem Th, Russell P St J, Holzwarth T 2011 Opt. Express 19 15690
[10] Kasparian J, Rodriguez M, Méjean G, Yu J, Salmon E, Wille H, Bourayou R, Frey S, André Y B, Mysyrowicz A, Sauerbrey R, Wolf J-P, Wöste L 2003 Science 301 61
[11] Chin S L, Petit S, Borne F, Miyazaki K 1999 Jpn. J. Appl. Phys. 38 126
[12] Varela O, Zaïr A, Román J S, Alonso B, Sola I J, Prieto C, Roso L 2009 Opt. Express 17 3630
[13] Zhavoronkov N 2011 Opt. Lett. 36 529
[14] Bradler M, Baum P, Riedle E 2009 Appl. Phys. B 97 561
[15] Lenzner M, Kruger J, Sartania S, Cheng Z, Spielmann Ch, Mourou G, Kautek W, Krausz F 1998 Phys. Rev. Lett. 80 4076
[16] Schaffer C B, Brodeur A, Mazur E 2001 Meas. Sci. Technol. 12 1784
[17] Zhang J, Li Y T, Sheng Z M, Wei Z Y, Dong Q L, Lu X 2005 Appl. Phys. B 80 957
[18] Tzortzakis S, Sudrie L, Franco M, Prade B, Mysyrowics A 2001 Phys. Rev. Lett. 87 21
[19] Tzortzakis S, Bergé L, Couairon A, Franco M, Prade B, Mysyrowicz A 2001 Phys. Rev. Lett. 86 5470
[20] Liu X L, Lu X, Liu X, Feng L B, Ma J L, Li Y T, Chen L M, Dong Q L, Wang W M, Wang Z H, Wei Z Y, Sheng Z M, Zhang J 2011 Opt. Lett. 36 3900
[21] Théberge F, Liu W W, Simard P T, Becker A, Chin S L 2006 Phys. Rev. E 74 036406
[22] 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 57 904]
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[1] Alfano R R 2006 The Supercontinuum Laser Source: Fundamentals with Updated References (2nd Ed.) (New York: Springer) p473
[2] Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 584
[3] Couairon A, Mysyrowicz A 2007 Phys. Reports 441 47
[4] Brodeur A, Chin S L 1998 Phys. Rev. Lett. 80 4406
[5] Fang X J, Kobayashi T 2003 Appl. Phys. B 77 167
[6] Dharmadhikari A K, Rajgara F A, Mathur D 2005 App. Phys. B 80 61
[7] Ashihara S, Kawahara Y 2009 Opt. Lett. 34 3839
[8] Bückers J, Wildanger D, Vicidomini G, Kastrup L, Hell S W 2011 Opt. Express 19 3130
[9] Stark S P, Steinmetz T, Probst R A, Hundertmark H, Wilken T, Hänsch T W, Udem Th, Russell P St J, Holzwarth T 2011 Opt. Express 19 15690
[10] Kasparian J, Rodriguez M, Méjean G, Yu J, Salmon E, Wille H, Bourayou R, Frey S, André Y B, Mysyrowicz A, Sauerbrey R, Wolf J-P, Wöste L 2003 Science 301 61
[11] Chin S L, Petit S, Borne F, Miyazaki K 1999 Jpn. J. Appl. Phys. 38 126
[12] Varela O, Zaïr A, Román J S, Alonso B, Sola I J, Prieto C, Roso L 2009 Opt. Express 17 3630
[13] Zhavoronkov N 2011 Opt. Lett. 36 529
[14] Bradler M, Baum P, Riedle E 2009 Appl. Phys. B 97 561
[15] Lenzner M, Kruger J, Sartania S, Cheng Z, Spielmann Ch, Mourou G, Kautek W, Krausz F 1998 Phys. Rev. Lett. 80 4076
[16] Schaffer C B, Brodeur A, Mazur E 2001 Meas. Sci. Technol. 12 1784
[17] Zhang J, Li Y T, Sheng Z M, Wei Z Y, Dong Q L, Lu X 2005 Appl. Phys. B 80 957
[18] Tzortzakis S, Sudrie L, Franco M, Prade B, Mysyrowics A 2001 Phys. Rev. Lett. 87 21
[19] Tzortzakis S, Bergé L, Couairon A, Franco M, Prade B, Mysyrowicz A 2001 Phys. Rev. Lett. 86 5470
[20] Liu X L, Lu X, Liu X, Feng L B, Ma J L, Li Y T, Chen L M, Dong Q L, Wang W M, Wang Z H, Wei Z Y, Sheng Z M, Zhang J 2011 Opt. Lett. 36 3900
[21] Théberge F, Liu W W, Simard P T, Becker A, Chin S L 2006 Phys. Rev. E 74 036406
[22] 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 57 904]
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