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Growth of GdVO4 composite single-crystal rods by the double-die edge-defined film-fed growth technique

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2008, 18(1), pp.1-4
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

Y. Furukawa 1 M. Matsukura 1 O. Nakamura 1 A. Miyamoto 1

1Oxide Corporation

Accredited

ABSTRACT

The growth of composite-structured Nd : GdVO4 single crystal rods by the double die EFG method is reported. Two crucibles are combined with an outer and inner die for ascending of different melt. The composite-structured Nd : GdVO4 single crystal rods with a length of 50 mm and an outer diameter of 5 mm including of inner Nd-doped core region with diameter 3 mm were grown successfully. Nd distribution in the radial direction has graded profile from result of EPMA. Absorption coefficient in the core region at 808 nm was 42 cm−1 . Finally, we demonstrated the laser oscillation using our composite crystal and 2-W output was obtained.

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