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    Mid-infrared source with 0.2 J pulse energy based on nonlinear conversion of Q-switched pulses in ZnGeP2

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    1126795.pdf (798.0Kb)
    Date
    2014
    Author
    Haakestad, Magnus Willum
    Fonnum, Helge
    Lippert, Espen
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    Abstract
    Mid-infrared (3–5 μm) pulses with high energy are produced using nonlinear conversion in a ZnGeP2-based master oscillator-power amplifier, pumped by a Q-switched cryogenic Ho:YLF oscillator. The master oscillator is based on an optical parametric oscillator with a V-shaped 3-mirror ring resonator, and the power amplifier is based on optical parametric amplification in large-aperture ZnGeP2 crystals. Pulses with up to 212 mJ energy at 1 Hz repetition rate are obtained, with FWHM duration 15 ns and beam quality M2 = 3.
    URI
    http://hdl.handle.net/20.500.12242/718
    https://ffi-publikasjoner.archive.knowledgearc.net/handle/20.500.12242/718
    DOI
    10.1364/OE.22.008556
    Description
    Haakestad, Magnus Willum; Fonnum, Helge; Lippert, Espen. Mid-infrared source with 0.2 J pulse energy based on nonlinear conversion of Q-switched pulses in ZnGeP2. Optics Express 2014 ;Volum 22.(7) s. 8556-8564
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