Characterization of a periodically poled lithium niobate optical parametric oscillator pumped by a Bessel beam

D. J. Binks, T. A. King

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A Bessel beam pumped periodically poled lithium niobate optical parametric oscillator has been characterized. A slope efficiency of 5.4±01% was obtained and a threshold pulse energy of 472±12μJ was measured, which corresponds to a threshold fluence of 0.207 ± 0.005 J cm-2. The signal output was tuned over ∼20 nm by changing the crystal temperature by 50°C. The FWHM bandwidth at each temperature was observed to be 0.3 ± 0.1 nm at each wavelength. The beam profiles of the Bessel pump and Gaussian signal beams were studied in both the near and far field. A beam divergence of 1.14 ± 0.02 mrad was measured. © 2000 Taylor & Francis Ltd.
    Original languageEnglish
    Pages (from-to)1913-1920
    Number of pages7
    JournalJOURNAL OF MODERN OPTICS
    Volume47
    Issue number11
    Publication statusPublished - 15 Sep 2000

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