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Optics Letters

Optics Letters


  • Vol. 30, Iss. 14 — Jul. 15, 2005
  • pp: 1831–1833

Middle-infrared luminescence of praseodymium ions in silver halide crystals and fibers

Lev Nagli, Ofer Gayer, and Abraham Katzir  »View Author Affiliations

Optics Letters, Vol. 30, Issue 14, pp. 1831-1833 (2005)

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The luminescence of AgBr, AgCl, and AgClBr crystals and fibers doped with Pr3+ ions was investigated in the middle-infrared spectral range. We measured the absorption, emission, and kinetic parameters over a broad temperature range. Strong luminescence in the spectral range 4-5.5 µm was observed for the first time to our knowledge in silver halide crystals and fibers at room temperature. No noticeable differences were observed between the crystals and the fibers. We calculated various optical parameters for Pr:AgBr and Pr:AgCl crystals, using the Judd-Ofelt approximation. Both the measured results and the calculated parameters indicate that these doped crystals and fibers would be good candidates for the fabrication of mid-IR solid-state lasers or fiber lasers.

© 2005 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.5690) Materials : Rare-earth-doped materials

Lev Nagli, Ofer Gayer, and Abraham Katzir, "Middle-infrared luminescence of praseodymium ions in silver halide crystals and fibers," Opt. Lett. 30, 1831-1833 (2005)

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