Abstract

In this Letter, we present an original method to extract the optical properties of surface plasmon polaritons (SPPs) on silver surfaces. A two Young’s slit experiment combined with a leakage radiation microscope has been built. By correlating both imagery and coherence measurements on the same area, we are able to address the evolution of the SPP spatial coherence along its propagation. The proposed method could also be useful to explore the properties of complex plasmonic systems.

© 2012 Optical Society of America

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References

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  1. S. A. Maier, Plasmonics, Fundamentals and Applications (Springer, 2007).
  2. J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
    [CrossRef]
  3. A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
    [CrossRef]
  4. M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
    [CrossRef]
  5. D. J. Bergman and M. I. Stockman, Phys. Rev. Lett. 90, 027402 (2003).
    [CrossRef]
  6. B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
    [CrossRef]
  7. P. Dawson, F. de Fornel, and J.-P. Goudonnet, Phys. Rev. Lett. 72, 2927 (1994).
    [CrossRef]
  8. J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
    [CrossRef]
  9. J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
    [CrossRef]
  10. C. H. Gan, G. Gbur, and T. D. Visser, Phys. Rev. Lett. 98, 043908 (2007).
    [CrossRef]
  11. S. Ravets, J. C. Rodier, B. E. Kim, J. P. Hugonin, L. Jacubowiez, and P. Lalanne, J. Opt. Soc. Am. B 26, B28 (2009).
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    [CrossRef]
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    [CrossRef]
  14. S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
    [CrossRef]
  15. M. Born and E. Wolf, Principles of Optics (Pergamon, 1980).
  16. A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
    [CrossRef]
  17. Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
    [CrossRef]

2012

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

2011

M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
[CrossRef]

2010

2009

2008

J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
[CrossRef]

2007

C. H. Gan, G. Gbur, and T. D. Visser, Phys. Rev. Lett. 98, 043908 (2007).
[CrossRef]

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

2006

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

2003

D. J. Bergman and M. I. Stockman, Phys. Rev. Lett. 90, 027402 (2003).
[CrossRef]

2002

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

1999

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

1996

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

1994

P. Dawson, F. de Fornel, and J.-P. Goudonnet, Phys. Rev. Lett. 72, 2927 (1994).
[CrossRef]

Abdelsalam, M. E

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

Agranovich, V. M.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Aussenegg, F. R.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Barisien, T.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Bartlett, P. N.

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

Baumberg, J. J.

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

Bellessa, J.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Bergman, D. J.

D. J. Bergman and M. I. Stockman, Phys. Rev. Lett. 90, 027402 (2003).
[CrossRef]

Berini, B.

J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
[CrossRef]

Bielefeldt, H.

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

Born, M.

M. Born and E. Wolf, Principles of Optics (Pergamon, 1980).

Bourillot, E.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Buil, S.

J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
[CrossRef]

Carminati, R.

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Chen, Y.

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Dawson, P.

P. Dawson, F. de Fornel, and J.-P. Goudonnet, Phys. Rev. Lett. 72, 2927 (1994).
[CrossRef]

de Fornel, F.

P. Dawson, F. de Fornel, and J.-P. Goudonnet, Phys. Rev. Lett. 72, 2927 (1994).
[CrossRef]

de Peralta, L. G.

Dereux, A.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Ditlbacher, H.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Drezet, A.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Dubin, F.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Galler, N.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Gan, C. H.

C. H. Gan, G. Gbur, and T. D. Visser, Phys. Rev. Lett. 98, 043908 (2007).
[CrossRef]

Gartstein, Yu. N.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Gbur, G.

C. H. Gan, G. Gbur, and T. D. Visser, Phys. Rev. Lett. 98, 043908 (2007).
[CrossRef]

Girard, C.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Gotschy, W.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Goudonnet, J. P.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Goudonnet, J.-P.

P. Dawson, F. de Fornel, and J.-P. Goudonnet, Phys. Rev. Lett. 72, 2927 (1994).
[CrossRef]

Greffet, J. J.

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Grousson, R.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Guebrou, S. A.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Halas, N. J.

M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
[CrossRef]

Hecht, B.

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

Hohenau, A.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Homeyer, E.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Hugonin, J. P.

Inouye, Y.

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

Jacubowiez, L.

Joulain, K.

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Kelf, T. A.

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

Kim, B. E.

Knight, M. W.

M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
[CrossRef]

Koller, D.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

Krenn, J. R.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Lacroute, Y.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Lalanne, P.

Laverdant, J.

J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
[CrossRef]

Legrand, L.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Leitner, A.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Maier, S. A.

S. A. Maier, Plasmonics, Fundamentals and Applications (Springer, 2007).

Mainguy, S.

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Melet, R.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Mullet, J. P.

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Nordlander, P.

M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
[CrossRef]

Novotny, L.

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

Plenet, J. C.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Pohl, D. W.

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

Quelin, X.

J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
[CrossRef]

Ravets, S.

Rodier, J. C.

Schider, G.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Schott, M.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Sobhani, H.

M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
[CrossRef]

Steinberger, B.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Stepanov, A. L.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Stockman, M. I.

D. J. Bergman and M. I. Stockman, Phys. Rev. Lett. 90, 027402 (2003).
[CrossRef]

Sugawara, Y.

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

Symonds, C.

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Visser, T. D.

C. H. Gan, G. Gbur, and T. D. Visser, Phys. Rev. Lett. 98, 043908 (2007).
[CrossRef]

Voliotis, V.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Weeber, J. C.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

Wolf, E.

M. Born and E. Wolf, Principles of Optics (Pergamon, 1980).

Appl. Phys. Lett.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

J. Opt. Soc. Am. B

Nano Lett.

A. Drezet, D. Koller, A. Hohenau, A. Leitner, F. R. Aussenegg, and J. R. Krenn, Nano Lett. 7, 1697 (2007).
[CrossRef]

Nat. Phys.

F. Dubin, R. Melet, T. Barisien, R. Grousson, L. Legrand, M. Schott, and V. Voliotis, Nat. Phys. 2, 32 (2006).
[CrossRef]

Nature

J. J. Greffet, R. Carminati, K. Joulain, J. P. Mullet, S. Mainguy, and Y. Chen, Nature 416, 61 (2002).
[CrossRef]

Phys. Rev. B

J. Laverdant, S. Buil, B. Berini, and X. Quelin, Phys. Rev. B 77, 165406 (2008).
[CrossRef]

Phys. Rev. Lett.

C. H. Gan, G. Gbur, and T. D. Visser, Phys. Rev. Lett. 98, 043908 (2007).
[CrossRef]

D. J. Bergman and M. I. Stockman, Phys. Rev. Lett. 90, 027402 (2003).
[CrossRef]

B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D. W. Pohl, Phys. Rev. Lett. 77, 1889 (1996).
[CrossRef]

P. Dawson, F. de Fornel, and J.-P. Goudonnet, Phys. Rev. Lett. 72, 2927 (1994).
[CrossRef]

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, Phys. Rev. Lett. 82, 2590 (1999).
[CrossRef]

S. A. Guebrou, C. Symonds, E. Homeyer, J. C. Plenet, Yu. N. Gartstein, V. M. Agranovich, and J. Bellessa, Phys. Rev. Lett. 108, 066401 (2012).
[CrossRef]

Y. Sugawara, T. A. Kelf, J. J. Baumberg, M. E Abdelsalam, and P. N. Bartlett, Phys. Rev. Lett. 97, 266808 (2006).
[CrossRef]

Science

M. W. Knight, H. Sobhani, P. Nordlander, and N. J. Halas, Science 332, 702 (2011).
[CrossRef]

Other

S. A. Maier, Plasmonics, Fundamentals and Applications (Springer, 2007).

M. Born and E. Wolf, Principles of Optics (Pergamon, 1980).

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Figures (4)

Fig. 1.
Fig. 1.

(a) Scheme of the experimental setup with lenses (L1 and L2) and a polarizer (P). (b) Fourier plane (FP) images without (ktotal) and with (kbb) a beam blocker (BB). (c) Image of the two slits.

Fig. 2.
Fig. 2.

(a) Polarized image (indicated by the white arrow) of SPPs propagating from a scattering point on the sample surface with λ=633nm. (b) Log scale of the normalized intensities of cross cuts along the upper propagation for λ=532nm (triangles), 594 nm (circles) and 633 nm (squares). Dotted lines are exponential fitting curves.

Fig. 3.
Fig. 3.

Interference patterns for slits distance of (a) L=3.3μm and (c) 14.1 μm for λ=633nm. (b) and (d), cross sections of the interference patterns (a) and (c) respectively. (e) Evolution of the fringe periods with 1/L for λ=532nm (triangles), 594 nm (circles), 633 nm (squares). The dotted lines are fitting curves.

Fig. 4.
Fig. 4.

Visibilities and spatial degree of coherence |γ12| as a function of slit distances L plotted for λ=532nm (triangles), 594 nm (circles), and 633nm (squares). Lines are the fitted experimental values with Eq. (6).

Tables (1)

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Table 1. SPPs Propagation Lengths Obtained by LRM Images and by the Slit Experiment

Equations (6)

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Γ(r1,r2)=E*(r1,t),E(r2,t)t,
E(r,t)=E0exp[i(kspp·(rr0)ω0t)],
γ12(r1,r2)=Γ(r1,r2)W1W2,
I=I1+I2+2I1I2|γ12(r1,r2)|cos[kspp·(r2r1)],
V(r1,r2)=|γ12(r1,r2)|2I1I2I1+I2.
V(L)=2exp(ksppL)1+exp(2ksppL).

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