Abstract

As broad as 12000cm1 coherent anti-Stokes Raman scattering (CARS) light from ultraviolet to infrared was generated in a BBO crystal by using two crossing femtosecond laser pulses with 30% conversion efficiency. More than fifteenth-order anti-Stokes and second-order Stokes Raman sidebands were observed with nice Gaussian spatial mode. The effect of the crossing angle between two input beams on the spectrum and emitting angle of the Raman sidebands was studied in detail. Calculation shows that the phase-matching condition determines the frequencies and angles of the sidebands.

© 2008 Optical Society of America

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  1. A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
    [CrossRef]
  2. M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
    [CrossRef] [PubMed]
  3. R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
    [CrossRef] [PubMed]
  4. M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
    [CrossRef] [PubMed]
  5. J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
    [CrossRef]
  6. J. Takahashi, M. Keisuke, and Y. Toshirou, Opt. Lett. 31, 1501 (2006).
    [CrossRef]
  7. E. Matsubara, K. Inoue, and E. Hanamura, Phys. Rev. B 72, 134101 (2005).
    [CrossRef]
  8. E. Matsubara, T. Sekikawa, and M. Yamashita, Appl. Phys. Lett. 92, 2008, 071104 (2008).
    [CrossRef]
  9. H. Matsuki, K. Inoue, and E. Hanamura, Phys. Rev. B 75, 024102 (2007).
    [CrossRef]
  10. K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
    [CrossRef]
  11. M. Zhi and A. V. Sokolov, Opt. Lett. 32, 2251 (2007).
    [CrossRef] [PubMed]
  12. M. Zhi and A. V. Sokolov, New J. Phys. 10, 025032 (2008).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  16. J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
    [CrossRef]

2008 (2)

E. Matsubara, T. Sekikawa, and M. Yamashita, Appl. Phys. Lett. 92, 2008, 071104 (2008).
[CrossRef]

M. Zhi and A. V. Sokolov, New J. Phys. 10, 025032 (2008).
[CrossRef]

2007 (3)

H. Matsuki, K. Inoue, and E. Hanamura, Phys. Rev. B 75, 024102 (2007).
[CrossRef]

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

M. Zhi and A. V. Sokolov, Opt. Lett. 32, 2251 (2007).
[CrossRef] [PubMed]

2006 (1)

2005 (3)

E. Matsubara, K. Inoue, and E. Hanamura, Phys. Rev. B 72, 134101 (2005).
[CrossRef]

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

2004 (1)

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

2003 (1)

J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
[CrossRef]

2002 (2)

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

A. Baltuska, T. Fuji, and T. Kobayashi, Opt. Lett. 27, 306 (2002).
[CrossRef]

2001 (1)

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

1999 (1)

A. Shirakawa, I. Sakane, M. Takasaka, and T. Kobayashi, Appl. Phys. Lett. 74, 2268 (1999).
[CrossRef]

1998 (1)

Arima, T.

J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
[CrossRef]

Baltuska, A.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

A. Baltuska, T. Fuji, and T. Kobayashi, Opt. Lett. 27, 306 (2002).
[CrossRef]

Bammer, F.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Brabec, T.

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Burzo, A. M.

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Chen, H.

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

Corkum, P.

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Drescher, M.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Fuji, T.

Goulielmakis, E.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Hanamura, E.

H. Matsuki, K. Inoue, and E. Hanamura, Phys. Rev. B 75, 024102 (2007).
[CrossRef]

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

E. Matsubara, K. Inoue, and E. Hanamura, Phys. Rev. B 72, 134101 (2005).
[CrossRef]

J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
[CrossRef]

Harris, S. E.

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Heinzmann, U.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Hentschel, M.

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Hou, H. Y.

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

Inoue, K.

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

H. Matsuki, K. Inoue, and E. Hanamura, Phys. Rev. B 75, 024102 (2007).
[CrossRef]

E. Matsubara, K. Inoue, and E. Hanamura, Phys. Rev. B 72, 134101 (2005).
[CrossRef]

Jiang, G. C.

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

Kato, J.

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

Keisuke, M.

Kienberger, R.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Kleineberg, U.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Kobayashi, T.

Krausz, F.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Matsubara, E.

E. Matsubara, T. Sekikawa, and M. Yamashita, Appl. Phys. Lett. 92, 2008, 071104 (2008).
[CrossRef]

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

E. Matsubara, K. Inoue, and E. Hanamura, Phys. Rev. B 72, 134101 (2005).
[CrossRef]

J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
[CrossRef]

Matsuki, H.

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

H. Matsuki, K. Inoue, and E. Hanamura, Phys. Rev. B 75, 024102 (2007).
[CrossRef]

Milosevic, N.

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Reider, G. A.

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Sakane, I.

A. Shirakawa, I. Sakane, M. Takasaka, and T. Kobayashi, Appl. Phys. Lett. 74, 2268 (1999).
[CrossRef]

A. Shirakawa, I. Sakane, and T. Kobayashi, Opt. Lett. 23, 1292 (1998).
[CrossRef]

Scrinzi, A.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Sekikawa, T.

E. Matsubara, T. Sekikawa, and M. Yamashita, Appl. Phys. Lett. 92, 2008, 071104 (2008).
[CrossRef]

Shirakawa, A.

A. Shirakawa, I. Sakane, M. Takasaka, and T. Kobayashi, Appl. Phys. Lett. 74, 2268 (1999).
[CrossRef]

A. Shirakawa, I. Sakane, and T. Kobayashi, Opt. Lett. 23, 1292 (1998).
[CrossRef]

Shverdin, M. Y.

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Sokolov, A. V.

M. Zhi and A. V. Sokolov, New J. Phys. 10, 025032 (2008).
[CrossRef]

M. Zhi and A. V. Sokolov, Opt. Lett. 32, 2251 (2007).
[CrossRef] [PubMed]

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Spielmann, Ch.

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

Takahashi, J.

J. Takahashi, M. Keisuke, and Y. Toshirou, Opt. Lett. 31, 1501 (2006).
[CrossRef]

J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
[CrossRef]

Takasaka, M.

A. Shirakawa, I. Sakane, M. Takasaka, and T. Kobayashi, Appl. Phys. Lett. 74, 2268 (1999).
[CrossRef]

Toshirou, Y.

Uiberacker, M.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Walker, D. R.

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Westerwalbesloh, Th.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Wu, Y. Q.

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

Xu, K. D.

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

Yakovlev, V.

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

Yamashita, M.

E. Matsubara, T. Sekikawa, and M. Yamashita, Appl. Phys. Lett. 92, 2008, 071104 (2008).
[CrossRef]

Yavuz, D. D.

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Yin, G. Y.

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

You, J. L.

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

Zhi, M.

M. Zhi and A. V. Sokolov, New J. Phys. 10, 025032 (2008).
[CrossRef]

M. Zhi and A. V. Sokolov, Opt. Lett. 32, 2251 (2007).
[CrossRef] [PubMed]

Appl. Phys. Lett. (2)

E. Matsubara, T. Sekikawa, and M. Yamashita, Appl. Phys. Lett. 92, 2008, 071104 (2008).
[CrossRef]

A. Shirakawa, I. Sakane, M. Takasaka, and T. Kobayashi, Appl. Phys. Lett. 74, 2268 (1999).
[CrossRef]

Chin. Phys. Lett. (1)

J. L. You, G. C. Jiang, H. Y. Hou, Y. Q. Wu, H. Chen, and K. D. Xu, Chin. Phys. Lett. 19, 205 (2002).
[CrossRef]

J. Mod. Opt. (1)

A. V. Sokolov, M. Y. Shverdin, D. R. Walker, D. D. Yavuz, A. M. Burzo, G. Y. Yin, and S. E. Harris, J. Mod. Opt. 52, 285 (2005).
[CrossRef]

Nature (2)

M. Hentschel, R. Kienberger, Ch. Spielmann, G. A. Reider, N. Milosevic, T. Brabec, P. Corkum, U. Heinzmann, M. Drescher, and F. Krausz, Nature 414, 509 (2001).
[CrossRef] [PubMed]

R. Kienberger, E. Goulielmakis, M. Uiberacker, A. Baltuska, V. Yakovlev, F. Bammer, A. Scrinzi, Th. Westerwalbesloh, U. Kleineberg, U. Heinzmann, M. Drescher, and F. Krausz, Nature 427, 817 (2004).
[CrossRef] [PubMed]

New J. Phys. (1)

M. Zhi and A. V. Sokolov, New J. Phys. 10, 025032 (2008).
[CrossRef]

Opt. Lett. (4)

Phys. Rev. B (4)

E. Matsubara, K. Inoue, and E. Hanamura, Phys. Rev. B 72, 134101 (2005).
[CrossRef]

H. Matsuki, K. Inoue, and E. Hanamura, Phys. Rev. B 75, 024102 (2007).
[CrossRef]

K. Inoue, J. Kato, E. Hanamura, H. Matsuki, and E. Matsubara, Phys. Rev. B 76, 041101(R) (2007).
[CrossRef]

J. Takahashi, E. Matsubara, T. Arima, and E. Hanamura, Phys. Rev. B 68, 155102 (2003).
[CrossRef]

Phys. Rev. Lett. (1)

M. Y. Shverdin, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 94, 033904 (2005).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Photograph of the sidebands in a white sheet of paper behind the BBO crystal when (a) beam1 works as a pump and (b) beam2 works as a pump. (c) Spectra of sidebands from Fig. 1a; A S m ( m = 1 10 ) refers to the m th -order anti-Stokes spectrum, and S n ( n = 1 , 2 ) refers to the m th -order Stokes spectrum.

Fig. 2
Fig. 2

Center wavenumber (wavelength) of different sidebands varies with the anti-Stokes order number when the crossing angle between two input beams is 1.53°, 1.75°, 2.18°, 2.62°, and 3.05°. The inset shows the spectra of the first-order sidebands when the crossing angles between the two beams are 1.53°, 1.75°, 2.18°, 2.62°, and 3.05°.

Fig. 3
Fig. 3

Dependence of peak wavelength of the first-order AS sidebands on the crossing angle of two input beams. The crossing angle was measured in the air. Squares, experimental results. Curve, calculated results by using the phase-matching condition.

Fig. 4
Fig. 4

Relationship between the center wavenumber (wavelength) of different sidebands and the emitting angle of different sidebands. The crossing angles between the two input beams of which direction is normal to the crystal surface are 1.53°, 1.75°, 2.18°, 2.62°, and 3.05°.

Fig. 5
Fig. 5

Spectrum of the pulse after the hollow fiber compressor (solid curve) and the spectrum of the pulse after the BBO crystal with CARS effect (dotted curve). The inset is the photograph showing the spatial profile of the second-order (left) and the third-order (right) sidebands.

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