Fraunhofer diffraction from a ring aperture with a spiral phase transmission function: numerical and analytical studies

• Autorzy: Aubrecht I. , Miler M. , Pala J.
• Języki publikacji: EN

Abstrakty

EN

Fraunhofer diffraction patterns from a spiral phase element with an annular aperture are investigated, on normal incidence of a plane monochromatic wave, depending on a spiral distribution of the phase of a wave at the output from the element. Results of extensive numerical calculations are presented and analytical formulas are derived for a very thin aperture. Basic behaviour of diffraction patterns depending on the spiral’s slope is predictable from the analytical approximation.

Słowa kluczowe

EN

spiralphase filters; phase singularities; Fraunhofer diffraction; scalar wave theory

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2003
• Tom: Vol. 33, nr 2-3
• Strony: 225--235
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Aubrecht I.

• Institute of Radio Engineering and Electronics, Academy of Sciences of the Czech Republic, Chaberska 57, 182 51 Prague 8, Czech Republic

autor

Miler M.

• Institute of Radio Engineering and Electronics, Academy of Sciences of the Czech Republic, Chaberska 57, 182 51 Prague 8, Czech Republic

autor

Pala J.

• Institute of Radio Engineering and Electronics, Academy of Sciences of the Czech Republic, Chaberska 57, 182 51 Prague 8, Czech Republic

Bibliografia

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