Abstract

Initial three-dimensional phase and intensity measurements of a 100 GHz l=±1 orbital angular momentum (OAM) vortex are presented. The vortex was generated by illuminating a polypropylene spiral phase plate. Measurements were taken with a three-dimensional field scanner operating in the W-band (75–100 GHz). Early analysis shows splitting of the OAM phase dislocation at the vortex center, resulting in a complex inner vortex intensity pattern.

© 2014 Optical Society of America

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  1. M. Harwit, Astrophys. J. 597, 1266 (2003).
    [CrossRef]
  2. B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
    [CrossRef]
  3. F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
    [CrossRef]
  4. G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
    [CrossRef]
  5. J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
    [CrossRef]
  6. F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
    [CrossRef]
  7. L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
    [CrossRef]
  8. P. Coullet, L. Gil, and F. Rocca, Opt. Commun. 73, 403 (1989).
    [CrossRef]
  9. D. Sanchez and D. Oesch, Opt. Express 19, 24596 (2011).
    [CrossRef]
  10. D. Oesch, D. Sanchez, and C. Matson, Opt. Express 18, 22377 (2010).
    [CrossRef]
  11. A. Carpentier, H. Michinel, and J. Salgueiro, Am. J. Phys. 76, 916 (2008).
    [CrossRef]
  12. S. Maccalli, G. Pisano, S. Colafrancesco, B. Maffei, M. W. Ng, and M. Gray, Appl. Opt. 52, 635 (2013).
    [CrossRef]
  13. L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
    [CrossRef]
  14. G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
    [CrossRef]
  15. M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
    [CrossRef]
  16. F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
    [CrossRef]
  17. B. Maffei, Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK, is preparing a manuscript to be called “A compact Gaussian feedhorn for large arrays.”
  18. P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.
  19. FEKO Comprehensive Electromagnetic Solutions, http://www.feko.info .
  20. M. V. Berry, J. Opt. A 6, 259 (2004).
    [CrossRef]

2013 (1)

2012 (2)

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

2011 (3)

F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
[CrossRef]

D. Sanchez and D. Oesch, Opt. Express 19, 24596 (2011).
[CrossRef]

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

2010 (1)

2008 (2)

A. Carpentier, H. Michinel, and J. Salgueiro, Am. J. Phys. 76, 916 (2008).
[CrossRef]

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

2007 (1)

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

2006 (1)

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

2004 (1)

M. V. Berry, J. Opt. A 6, 259 (2004).
[CrossRef]

2003 (1)

M. Harwit, Astrophys. J. 597, 1266 (2003).
[CrossRef]

1996 (1)

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

1994 (1)

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
[CrossRef]

1992 (1)

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

1989 (1)

P. Coullet, L. Gil, and F. Rocca, Opt. Commun. 73, 403 (1989).
[CrossRef]

Ahmed, N.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Allen, L.

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Anzolin, G.

F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
[CrossRef]

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

Barbieri, C.

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

Beijersbergen, M. W.

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
[CrossRef]

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Bergman, J.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Berry, M. V.

M. V. Berry, J. Opt. A 6, 259 (2004).
[CrossRef]

Bianchini, A.

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

Carozzi, T. D.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Carpentier, A.

A. Carpentier, H. Michinel, and J. Salgueiro, Am. J. Phys. 76, 916 (2008).
[CrossRef]

Coerwinkel, R. P. C.

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
[CrossRef]

Colafrancesco, S.

Coullet, P.

P. Coullet, L. Gil, and F. Rocca, Opt. Commun. 73, 403 (1989).
[CrossRef]

Dolinar, S.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Frazal, I. M.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Gil, L.

P. Coullet, L. Gil, and F. Rocca, Opt. Commun. 73, 403 (1989).
[CrossRef]

Gray, M.

Harwit, M.

M. Harwit, Astrophys. J. 597, 1266 (2003).
[CrossRef]

Huang, H.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Ibragimov, N. H.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Istomin, Y. N.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Khamitova, R.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Kristensen, M.

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
[CrossRef]

Maccalli, S.

S. Maccalli, G. Pisano, S. Colafrancesco, B. Maffei, M. W. Ng, and M. Gray, Appl. Opt. 52, 635 (2013).
[CrossRef]

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

Maffei, B.

S. Maccalli, G. Pisano, S. Colafrancesco, B. Maffei, M. W. Ng, and M. Gray, Appl. Opt. 52, 635 (2013).
[CrossRef]

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

B. Maffei, Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK, is preparing a manuscript to be called “A compact Gaussian feedhorn for large arrays.”

Manzo, C.

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

Mari, E.

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

Marrucci, L.

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

Matson, C.

Michinel, H.

A. Carpentier, H. Michinel, and J. Salgueiro, Am. J. Phys. 76, 916 (2008).
[CrossRef]

Molina-Terriza, G.

F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
[CrossRef]

Ng, M. W.

S. Maccalli, G. Pisano, S. Colafrancesco, B. Maffei, M. W. Ng, and M. Gray, Appl. Opt. 52, 635 (2013).
[CrossRef]

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

Oesch, D.

Ozturk, F.

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

Padgett, M. J.

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

Palmer, K.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Paparo, D.

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

Pisano, G.

S. Maccalli, G. Pisano, S. Colafrancesco, B. Maffei, M. W. Ng, and M. Gray, Appl. Opt. 52, 635 (2013).
[CrossRef]

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

Ren, Y.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Robertson, D. A.

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

Rocca, F.

P. Coullet, L. Gil, and F. Rocca, Opt. Commun. 73, 403 (1989).
[CrossRef]

Romanato, F.

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

Salgueiro, J.

A. Carpentier, H. Michinel, and J. Salgueiro, Am. J. Phys. 76, 916 (2008).
[CrossRef]

Sanchez, D.

Schemmel, P.

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

Sjöholm, J.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Smith, G. M.

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

Sponselli, A.

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

Spreeuw, R. J. C.

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Tamburini, F.

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
[CrossRef]

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

Then, H.

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Thidé, B.

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
[CrossRef]

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Tur, M.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Turnbull, G. A.

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

Umbriaco, G.

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

Wang, J.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Willner, A. E.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Woerdman, J. P.

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
[CrossRef]

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Yan, Y.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Yang, J.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Yue, Y.

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Am. J. Phys. (1)

A. Carpentier, H. Michinel, and J. Salgueiro, Am. J. Phys. 76, 916 (2008).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

F. Tamburini, E. Mari, B. Thidé, C. Barbieri, and F. Romanato, Appl. Phys. Lett. 99, 204102 (2011).
[CrossRef]

Astron. Astrophys. (1)

G. Anzolin, F. Tamburini, A. Bianchini, G. Umbriaco, and C. Barbieri, Astron. Astrophys. 488, 1159 (2008).
[CrossRef]

Astrophys. J. (1)

M. Harwit, Astrophys. J. 597, 1266 (2003).
[CrossRef]

J. Opt. A (1)

M. V. Berry, J. Opt. A 6, 259 (2004).
[CrossRef]

Nat. Photonics (1)

J. Wang, J. Yang, I. M. Frazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photonics 6, 488 (2012).
[CrossRef]

Nat. Phys. (1)

F. Tamburini, B. Thidé, G. Molina-Terriza, and G. Anzolin, Nat. Phys. 7, 195 (2011).
[CrossRef]

New J. Phys. (1)

F. Tamburini, E. Mari, A. Sponselli, B. Thidé, A. Bianchini, and F. Romanato, New J. Phys. 14, 033001 (2012).
[CrossRef]

Opt. Commun. (3)

P. Coullet, L. Gil, and F. Rocca, Opt. Commun. 73, 403 (1989).
[CrossRef]

G. A. Turnbull, D. A. Robertson, G. M. Smith, L. Allen, and M. J. Padgett, Opt. Commun. 127, 183 (1996).
[CrossRef]

M. W. Beijersbergen, R. P. C. Coerwinkel, M. Kristensen, and J. P. Woerdman, Opt. Commun. 112, 321 (1994).
[CrossRef]

Opt. Express (2)

Phys. Rev. A (1)

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Phys. Rev. Lett. (2)

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

B. Thidé, H. Then, J. Sjöholm, K. Palmer, J. Bergman, T. D. Carozzi, Y. N. Istomin, N. H. Ibragimov, and R. Khamitova, Phys. Rev. Lett. 99, 087701 (2007).
[CrossRef]

Other (3)

B. Maffei, Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK, is preparing a manuscript to be called “A compact Gaussian feedhorn for large arrays.”

P. Schemmel, S. Maccalli, B. Maffei, F. Ozturk, G. Pisano, and M. W. Ng, “A near field 3D scanner for millimetre wavelengths,” in Proceedings of the 35th European Space Agency Antenna Workshop on Antenna and Free Space RF Measurements, The Netherlands, September 10–13, 2013.

FEKO Comprehensive Electromagnetic Solutions, http://www.feko.info .

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Figures (6)

Fig. 1.
Fig. 1.

l=±1 polypropylene SPP, with improved center geometry (highlighted).

Fig. 2.
Fig. 2.

Measurement setup with source horn (left), SPP (middle), data cube (right), and a CAD schematic of the three-dimensional field scanner (inset).

Fig. 3.
Fig. 3.

Second XY plane annular intensity (decibel) pattern.

Fig. 4.
Fig. 4.

Second XY plane with twisted phase (degrees) dislocation and forked termination point.

Fig. 5.
Fig. 5.

Central section of the fifth XY intensity plane. The white circles highlight the two intensity minima.

Fig. 6.
Fig. 6.

Central section of the fifth XY phase plane. The white circles indicate the position of the two intensity minima, which do not change between plane cuts.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

h=ΔlλΔn,
uρl=Aρl(r,z)Lρ|l|(2r2w2(z))exp(ilϕ)exp(ik0r2z2(z2+zR2))exp[i(2ρ+|l|+1)tan1(zzR)],
Ilp,lp=|upl|eiΔlϕ|upl|2,

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