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Optical Materials Express

Optical Materials Express

  • Editor: David Hagan
  • Vol. 4, Iss. 6 — Jun. 1, 2014
  • pp: 1104–1111

Mid-infrared emission in Dy:YAlO3 crystal

Yan Wang, Jianfu Li, Zhaojie Zhu, Zhenyu You, Jinlong Xu, and Chaoyang Tu  »View Author Affiliations

Optical Materials Express, Vol. 4, Issue 6, pp. 1104-1111 (2014)

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In this work, we report on the spectroscopic properties of Dy3+ doped YAlO3 crystal grown by Czochralski technique. The Judd-Ofelt theory was performed based on the measured polarized absorption spectra. Under optical pumping at 1300 nm, Dy:YAP crystal exhibited a broad MIR emission centered at 3020 nm, with a bandwidth of 520 nm at full width half maximum. The decay lifetime of the 6H13/2 level was measured to be 8.88 ms, and the corresponding quantum efficiency evaluated was 57.9%. The studied optical gain properties indicate that Dy:YAlO3 crystal could be a potential candidate for solid-state mid-infrared laser applications.

© 2014 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Laser Materials

Original Manuscript: March 13, 2014
Revised Manuscript: April 26, 2014
Manuscript Accepted: April 28, 2014
Published: May 2, 2014

Yan Wang, Jianfu Li, Zhaojie Zhu, Zhenyu You, Jinlong Xu, and Chaoyang Tu, "Mid-infrared emission in Dy:YAlO3 crystal," Opt. Mater. Express 4, 1104-1111 (2014)

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