ERROR ANALYSIS FOR THE FAR-FIELD OF A SMALL PLANE SOURCE | Zendy

Xiaodong Zeng | Zendy; Changhong Liang | Zendy; AN YU-YING | Zendy

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ERROR ANALYSIS FOR THE FAR-FIELD OF A SMALL PLANE SOURCE

Author(s) -

Xiaodong Zeng,

Changhong Liang,

AN YU-YING

Publication year - 1997

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.46.1665

Subject(s) - amplitude , physics , near and far field , helmholtz equation , perturbation (astronomy) , paraxial approximation , field (mathematics) , plane wave , optics , source field , computational physics , mathematics , quantum mechanics , boundary value problem , beam (structure) , pure mathematics

Based on a rigorous far-field solution of the Helmholtz equation,the dependence of the far-field of the light wave with a large divergence angle on the perturbation of the source profile is discussed,and the error formulas of the far-field amplitude and phase are also given.It is shown that the far-field errors must be described by using the “error area” of the source.In the paraxial region,the far-field amplitude and phase are not sensitive to the source perturbation,but,in off-axis region,they may be sensitive.

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