Evolution of a conically diffracted gaussian beam in free space

Stephen D. Grant, A. Abdolvand (Lead / Corresponding author)

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We present results of our observations on the free space evolution of conically diffracted beams from both single and cascade systems using various combinations of four biaxial crystals of the monoclinic double tungstate family [KGd(WO4)2]. Longitudinal shifts and radii of the Hamilton-Lloyd pair of rings were measured. In each case, the symmetric - forward and backward - evolution of the beam in free space from its focal image plane was monitored and quantified. Theoretical ring plane patterns based on a recently presented theoretical model are also compared to experimental patterns and found to be in good agreement.
    Original languageEnglish
    Pages (from-to)3880-3886
    Number of pages7
    JournalOptics Express
    Volume22
    Issue number4
    DOIs
    Publication statusPublished - 2014
    EventThe European Conference on Lasers and Electro-Optics, CLEO_Europe 2013 - Munich, Germany
    Duration: 12 May 201316 May 2013

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