References
- Karman , G. P. , Beijersbergen , M. W. , van Duijl , A. and Woerdman , J. P. 1997 . Creation and annihilation of phase singularities in a focal field . Optics Lett. , 22 : 1503 – 1505 .
- Karman , G. P. , Beijersbergen , M. W. , van Duijl , A. , Bouwmeester , D. and Woerdman , J. P. 1998 . Airy pattern reorganization and sub-wavelength structure in a focus . J. opt. Soc. Am. A , 15 : 884 – 899 .
- Beijersbergen , M. 1996 . Phase singularities in optical beams , Thesis 98 Huygens Laboratory, University of Leiden .
- Nye , J. F. and Berry , M. V. 1974 . Dislocations in wave trains . Proc. R. Soc. A , 336 : 165 – 190 .
- Nye , J. F. 1998 . Unfolding of higher-order wave dislocations . J. Opt. Soc. Am. A , 15 (to be published)
- Berry , M. V. 1994 . Evanescent and real waves in quantum billiards, and Gaussian Beams . J. Phys. A , 27 : L391 – L398 .
- Bazhenov , V. Y. , Soskin , M. S. and Vasnetsov , M. V. 1990 . Laser beams with screw wavefront dislocations . JETP Lett. , 52 : 429 – 431 .
- Bazhenov , V. Y. , Soskin , M. S. and Vasnetsov , M. V. 1992 . Screw dislocations of wavefront . J. mod. Optics. , 39 : 985 – 990 .
- Basistiy , I. V. , Bazhenov , V. Y. , Soskin , M. S. and Vasnetsov , M. V. 1993 . Optics of light beams with screw dislocations . Optics Commun. , 103 : 422 – 428 .
- Nye , J. F. 1983 . Lines of circular polarization in electromagnetic wave fields . Proc. R. Soc. Lond. A , 389 : 279 – 290 .
- Nye , J. F. and Hajnal , J. V. 1987 . The wave structure of monochromatic electromagnetic radiation . Proc. R. Soc. A , 409 : 21 – 36 .
- Nye , J. F. 1991 . “ Phase gradient and crystal-like geometry in electromagnetic and elastic wavefields ” . In Sir Charles Frank, O.B.E.; an eightieth birthday tribute , Edited by: Chambers , R. G. , Enderby , J. E. , Keller , A. , Lang , A. R. and Steeds , J. W. 220 – 231 . Bristol : Adam Hilger .
- Nye , J. F. , Hajnal , J. V. and Hannay , J. H. 1988 . Phase saddles and dislocations in two-dimensional waves such as the tides . Proc. R. Soc. Lond. A , 417 : 7 – 20 .
- Copson , E. T. 1965 . Asymptotic Expansions , Cambridge University Press .
- Olver , F. W. J. 1974 . Asymptotics and Special Functions , London : Academic Press .
- Berry , M. V. Faster than Fourier . Quantum Coherence and Reality; in Celebration of the 60th Birthday of Yakir Aharonov . Edited by: Anandan , J. S. and Safko , J. L. pp. 55 – 65 . Singapore : World Scientific .