Focusing Bessel Beams by a Lens with Strong Spherical Aberrations | Zendy

В. Н. Белый | Zendy; Л. И. Краморева | Zendy; Muhanna K. AlMuhanna | Zendy; Н. А. Хило | Zendy

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Focusing Bessel Beams by a Lens with Strong Spherical Aberrations

Author(s) -

В. Н. Белый,

Л. И. Краморева,

Muhanna K. AlMuhanna,

Н. А. Хило

Publication year - 2012

Publication title -

international journal of optics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.263

H-Index - 17

eISSN - 1687-9392

pISSN - 1687-9384

DOI - 10.1155/2012/739413

Subject(s) - axicon , bessel function , bessel beam , optics , diffraction , lens (geology) , beam (structure) , physics , field (mathematics) , focus (optics) , fourier transform , intensity (physics) , laser , laser beams , mathematics , quantum mechanics , pure mathematics

We have carried out the calculation and experimental measurement of the field formed by optical schemes composed of an axicon and lens with strong spherical aberrations. The calculation is performed by the methods of geometrical optics and diffraction integral. A mechanism is revealed, which is responsible for increasing the intensity in the near-axial focus of the doublet. It is shown that the formed bottle beam has a small length and the field at the periphery is of two types: oscillating and smooth ones. The changeover of the field from the bottle beam to a z-dependent Bessel beam is traced. The last beam is characterized, in particular, by the Bessel-type structure of its Fourier spectrum

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