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The description and transform of three dimensional decentered Gaussian beam are presented.The characteristic parameters of decentered Gaussian beam after passing through a lens and a Gaussian aperture is given and we have designed an optical system consisting of a lens and a Gaussian aperture to restore the decentered Gaussian beam.
The description and transform of three dimensional decentered Gaussian beams are presented. The characteristic parameters of decentered Gaussian beam after passing through a lens and a Gaussian aperture are given and we have designed an optical system consisting of a lens and a Gaussian aperture to restore the decentered Gaussian beam.