Evanescent and propagating electromagnetic fields in scattering from point-dipole structures: reply to comment

Setälä, Tero; Kaivola, Matti; Friberg, Ari T.

doi:10.1364/josaa.19.001449

J. Opt. Soc. Am. A

2002

DOI: 10.1364/josaa.19.001449

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Evanescent and propagating electromagnetic fields in scattering from point-dipole structures: reply to comment

Tero Setälä

Matti Kaivola

Ari T. Friberg

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Cited by 2 publications

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Evanescent and propagating fields of a strongly focused beam

Petrov¹

2003

J. Opt. Soc. Am. A

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Evanescent- and propagating-field distributions from a strongly-focused-wave beam with subwavelength waist w(a) << lambda as a function of polar angle and distance are investigated. Exact amplitudes and intensities of evanescent E(ev) and propagating E(p) fields, including interference terms, are presented both in near- and far-field regions. It is shown that the amplitude of E(ev) decays as exp(-r/w(a)) in the near-field region and that evanescent waves do not contribute to the far field in the forward direction as they do in the transverse directions theta = pi/2, even though the oscillating evanescent field of the same strength but opposite in sign to the propagating field exists in the transverse plane.

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Evanescent and propagating fields of a strongly focused beam

Petrov¹

2003

J. Opt. Soc. Am. A

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Fully vectorial highly nonparaxial beam close to the waist

Chaumet

2006

J. Opt. Soc. Am. A

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Evanescent and propagating electromagnetic fields in scattering from point-dipole structures: reply to comment

Cited by 2 publications

References 11 publications

Evanescent and propagating fields of a strongly focused beam

Evanescent and propagating fields of a strongly focused beam

Fully vectorial highly nonparaxial beam close to the waist

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