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  • Hellström, J., et al. (author)
  • Efficient nanosecond optical parametric oscillators based on periodically poled KTiOPO4, emitting in 1.8-2.5 µm spectral region
  • 1999
  • In: Optics Letters. - 0146-9592 .- 1539-4794. ; 24, s. 1233-1235
  • Journal article (peer-reviewed)abstract
    • The use of periodically poled KTiOPO4 as a gain medium in efficient nanosecond optical parametric oscillators pumped by a flash-lamp-pumped ?‐switched Nd:YAG laser is demonstrated. Parametric radiation in the 1.8–2.5‐µm spectral region was achieved when the crystal temperature was tuned from 10 to 100 °C. A maximum total output energy of 1.8 mJ was obtained at a pump level of 3.5 mJ. Stable operation was achieved, with conversion efficiencies reaching 50%. No gray tracking or laser damage was observed, even for pump intensities of 450 MW/cm2.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Laurell, Fredrik (1)
Karlsson, Håkan (1)
Pasiskevicius, Valda ... (1)
Hellström, J. (1)
University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
1999 (1)

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