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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 3 — Mar. 1, 2003
  • pp: 577–584

Spectroscopy of lanthanum lutetium gallium garnet crystals doped with chromium

Marek Grinberg, Benedykt Kukliński, Krzysztof Wiśniewski, Czesław Koepke, Tadeusz Łukasiewicz, Jarosław Kisielewski, Marek Świrkowicz, and Andrzej Suchocki  »View Author Affiliations


JOSA B, Vol. 20, Issue 3, pp. 577-584 (2003)
http://dx.doi.org/10.1364/JOSAB.20.000577


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Abstract

Lanthanum lutetium gallium garnet of the compositions La2.32Lu2.61−xCrxGa3.07O12 and La2.7Lu2.3−xCrxGa3.07O12 with various chromium concentrations was grown by the Czochralski method. We measured the luminescence, absorption excitation, and excited-state absorption spectra. Two different octahedrally coordinated low field Cr3+ centers were found in crystals of both compositions. In the La2.7Lu2.3−xCrxGa3.07O12 crystals an additional absorption found in the region 13 000–16 000 cm−1 is attributed to the tetrahedrally coordinated Cr4+ system.

© 2003 Optical Society of America

OCIS Codes
(160.3380) Materials : Laser materials
(160.6990) Materials : Transition-metal-doped materials
(300.1030) Spectroscopy : Absorption
(300.2140) Spectroscopy : Emission
(300.6250) Spectroscopy : Spectroscopy, condensed matter

Citation
Marek Grinberg, Benedykt Kukliński, Krzysztof Wiśniewski, Czesław Koepke, Tadeusz Łukasiewicz, Jarosław Kisielewski, Marek Świrkowicz, and Andrzej Suchocki, "Spectroscopy of lanthanum lutetium gallium garnet crystals doped with chromium," J. Opt. Soc. Am. B 20, 577-584 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-3-577

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