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In this paper we demonstrate the superresolution technique of transforming a pure high order LGpl or HGml modes into a Gaussian intensity distribution at the plane of a converging lens. The high order modes are generated by encoding a digital amplitude hologram mask that contains absorbing rings match the Laguerre polynomial p and l zeros or the Hermite polynomial m and l zeros on a spatial light modulator (SLM) that acts as end-mirror of the resonator. The transformation is achieved by encoding an annular binary diffractive optical element on a second SLM as a digital hologram with a transmittance that has +1 or -1 which coincide with the dark and bright parts of the incident beams. It is envisaged that the transformed beam at the focus of the lens will have a focal volume and a profile that is similar to a Gaussian beam.
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