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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 3 — Mar. 1, 1998
  • pp: 1052–1060

Study of luminescence concentration quenching and energy transfer upconversion in Nd-doped LaSc3(BO3)4 and GdVO4 laser crystals

V. Ostroumov, T. Jensen, J.-P. Meyn, G. Huber, and M. A. Noginov  »View Author Affiliations


JOSA B, Vol. 15, Issue 3, pp. 1052-1060 (1998)
http://dx.doi.org/10.1364/JOSAB.15.001052


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Abstract

Luminescence concentration quenching and upconversion have been quantitatively investigated in neodymium-doped LaSc3(BO3)4 (LSB) and GdVO4 (GVO) laser crystals. The microparameter of cross relaxation (self-quenching) was determined in Nd:GVO as 3.6×10−40 cm6/s. It is shown that, in Nd:LSB, upconversion is static, with the upconversion microparameter Cda=(0.5–1.1)×10−37 cm6/s. In Nd:GVO, upconversion is migration accelerated, with the upconversion macroparameter α≈1.2×10−15 cm3/s. The influence of upconversion on laser operation is discussed.

© 1998 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.7220) Nonlinear optics : Upconversion
(260.3800) Physical optics : Luminescence

Citation
V. Ostroumov, T. Jensen, J.-P. Meyn, G. Huber, and M. A. Noginov, "Study of luminescence concentration quenching and energy transfer upconversion in Nd-doped LaSc3(BO3)4 and GdVO4 laser crystals," J. Opt. Soc. Am. B 15, 1052-1060 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-3-1052

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