Propagation dynamics of off-axis phase singularities | Zendy

Pusheng Liu | Zendy; Cheng Ke | Zendy; Lü Bai-Da | Zendy

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Propagation dynamics of off-axis phase singularities

Author(s) -

Pusheng Liu,

Cheng Ke,

Lü Bai-Da

Publication year - 2008

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.57.1683

Subject(s) - gravitational singularity , diffraction , physics , plane (geometry) , phase (matter) , singularity , gaussian , displacement (psychology) , annihilation , optics , geometry , mathematics , quantum mechanics , psychology , psychotherapist

An analytical expression for the half-plane diffraction of off-axis phase singularity beams based on Gaussian intensity profile is derived, which enables us to study the propagation dynamics of off-axis phase singularities in detail. It is shown that the half-plane screen diffraction, off-axis displacement and propagation distance affect the propagation behavior and spatial distribution of phase singularities. By varying the off-axis displacement and propagation distance, the creation, shift and annihilation of phase singularities in the diffraction field may appear.

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