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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 3 — Jan. 30, 2012
  • pp: 2178–2183

Growth and characterization of self-Q-switched Nd:Cr:YVO4 crystal

Z.B. Pan, B. Yao, H. H. Yu, H. H. Xu, Z. P. Wang, J. Y. Wang, and H. J. Zhang  »View Author Affiliations


Optics Express, Vol. 20, Issue 3, pp. 2178-2183 (2012)
http://dx.doi.org/10.1364/OE.20.002178


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Abstract

A Nd:Cr:YVO4 crystal was grown by the Czochralski method for the first time to our knowledge. Its structure and cell parameter have been studied by X-ray powder diffraction (XRPD) analysis. Polarized absorption spectra were measured at room temperature, which showed that the absorption bands display polarization character and an absorption band of Cr5+ ions at 1110 nm enables the crystal to be a self-Q-switched laser material. We also found that the absorption of Cr5+ ions became much larger and its self-Q-switched laser performance became much better when the Nd:Cr:YVO4 crystal was annealed because the annealing induces more Cr ions to become those with + 5 valence. In the self-Q-switched laser, the maximum output power, shortest pulse width, and largest pulse energy were obtained to be 120 mW, 85.8 ns, and 0.79μJ, respectively.

© 2012 OSA

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3540) Lasers and laser optics : Lasers, Q-switched

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 23, 2011
Revised Manuscript: December 31, 2011
Manuscript Accepted: January 10, 2012
Published: January 17, 2012

Citation
Z.B. Pan, B. Yao, H. H. Yu, H. H. Xu, Z. P. Wang, J. Y. Wang, and H. J. Zhang, "Growth and characterization of self-Q-switched Nd:Cr:YVO4 crystal," Opt. Express 20, 2178-2183 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-3-2178


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References

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