Search for dissertations about: "flat-topped beam"
Found 1 swedish dissertation containing the words flat-topped beam.
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1. Propagation of some coherent and partially coherent laser beams
Abstract : In this thesis, we investigate the propagation of some coherent and partially coherent laser beams, including a dark hollow beam (DHB), an elliptical Gaussian beam (EGB), a flat-topped beam and a twisted anisotropic Gaussian Schell-model (TAGSM) beam, through a paraxial optical system or a turbulent atmosphere. Several theoretical models are proposed to describe a DHB of circular or non-circular symmetry. READ MORE
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