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Wave Front Sensing and Correction Using Spatial Modulation and Digitally Enhanced Heterodyne Interferometry

Ralph, David Tarquin


This thesis is about light. Specifically it explores a new way sensing the spatial distribution of amplitude and phase across the wavefront of a propagating laser. It uses spatial light modulators to tag spatially distinct regions of the beam, a single diode to collect the resulting light and digitally enhanced heterodyne interferometry to decode the phase and amplitude information across the wavefront. It also demonstrates how using these ...[Show more]

CollectionsOpen Access Theses
Date published: 2018
Type: Thesis (PhD)
DOI: 10.25911/5d51487f1aa58


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