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We investigate the optical interference theory of double elliptically polarized beam(EPB)by using complex electric field amplitude vectors,compared with the real vectors for linear polarized beam(LPB).Numerical simulations can show the differences between them quantitatively and qualitatively.Through altering parameters of double elliptically polarized beam interference configuration,different interference patterns are obtained.And it demonstrates its potential for use in an optical interference holographic set-up to fabricate optical micro-structures.