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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 22 — Nov. 15, 2009
  • pp: 3481–3483

Estimation of low-temperature spectra behavior in Nd-doped Sc 2 Si O 5 single crystal

Lihe Zheng, Jun Xu, Liangbi Su, Hongjun Li, Qingguo Wang, Witold Ryba-Romanowski, Radosław Lisiecki, and Feng Wu  »View Author Affiliations


Optics Letters, Vol. 34, Issue 22, pp. 3481-3483 (2009)
http://dx.doi.org/10.1364/OL.34.003481


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Abstract

High optical quality Nd-doped Sc 2 Si O 5 crystal with size of diameter 27 mm × 60 mm was obtained by Czochralski method. An x-ray diffraction pattern of Nd:SSO crystal confirmed that the as-grown crystal was isostructual with the SSO crystal. Absorption and emission spectra were recorded at 10 K . The Judd–Ofelt theory was applied to obtain standard parameters Ω t ( t = 2 , 4 , 6 ) and the fitting result of experimental absorption line strengths, which provided the F 3 2 4 radiative lifetime ( τ rad ) of 219 μ s and the luminescence branching ratio β of 0.57 for the F 3 2 4 I 9 2 4 laser transition. The stimulated emission cross section of 1.04 × 10 19 cm 2 at 1074 nm was calculated using the Füchtbauer–Ladenburg equation. The F 3 2 4 luminescence lifetimes with 215 μ s at 10 K and 198 μ s at 300 K were determined from luminescence decay curves, indicating high quantum efficiency in the Nd:SSO crystal. All these results showed that Nd:SSO would be a promising gain media in solid-state lasers.

© 2009 Optical Society of America

OCIS Codes
(160.3380) Materials : Laser materials
(160.4760) Materials : Optical properties
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: September 2, 2009
Revised Manuscript: October 3, 2009
Manuscript Accepted: October 4, 2009
Published: November 4, 2009

Citation
Lihe Zheng, Jun Xu, Liangbi Su, Hongjun Li, Qingguo Wang, Witold Ryba-Romanowski, Radosław Lisiecki, and Feng Wu, "Estimation of low-temperature spectra behavior in Nd-doped Sc2SiO5 single crystal," Opt. Lett. 34, 3481-3483 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-22-3481


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