Fourier Transform of Annular Beams
classification
⚛️ physics.optics
keywords
annularbeamsfouriertransformannularityappliedbeambehavior
read the original abstract
Fourier transform is applied to annular beams of simplified flat two-level geometry: bright outer ring with a darker core. The pattern of focal beam profile (i.e. far field) is calculated and characterized with respect of its intensity structure. Specific behavior is observed for extreme annularity values.
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