OFFAXIAL GAUSSIAN WAVE | Zendy

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

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OFFAXIAL GAUSSIAN WAVE

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.46.1932

Subject(s) - gaussian , divergence (linguistics) , physics , helmholtz equation , gaussian beam , helmholtz free energy , amplitude , phase (matter) , beam divergence , gaussian random field , optics , computational physics , gaussian function , beam diameter , quantum mechanics , philosophy , linguistics , boundary value problem , laser , laser beams

Based on a rigorous far field solution of the Helmholtz equation, a new method to describe the propagation of the offaxial Gaussian wave is presented. The amplitude and phase distribution, beam spot size, divergence angle, and the relation of the conservation of energy are discussed. It is found that for any Gaussian source the maximum divergence angle is shown to be 65.5.

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