Growth and second-harmonic-generation of Bi3+- or Li+-doped GdCa4O(BO3)3 crystals

Shujun Zhang, Zhenxiang Cheng, Junhai Liu, Jianru Han, Zongshu Shao, Huanchu Chen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The bismuth and lithium cations doped GdGa4O(BO3)3 (GdCOB) crystals were successfully grown for the first time. The X-ray powder diffraction (XRPD) shows that the cell parameters of the doped crystals are slightly larger than that of GdCOB. Intracavity second-harmonic-generation (SHG) experiments were carried out on 3×3×6 mm3 GdCOB and doped GdCOB crystals along the phase-matching (PM) direction (θ = 66.8°, φ = 132.6°). The results show that the continuous wavelength (cw) green laser output power is 0.94 W for GdCOB crystals at 10 W LD pump power while it is 1 W and 1.02 W for the bismuth and lithium doped GdCOB crystals, respectively. Considering the fundamental laser power in the cavity, the intracavity SHG conversion efficiency of GdCOB and bismuth, lithium cations doped GdCOB crystals are 21, 22.6 and 23%, respectively. The SHG conversion efficiency is improved by 8 and 10% when GdCOB is doped with bismuth and lithium cations. The effects of the doped cations on growth and SHG properties of GdCOB crystal are discussed.

Original languageEnglish (US)
Pages (from-to)476-479
Number of pages4
JournalJournal of Crystal Growth
Volume212
Issue number3
DOIs
StatePublished - May 2000

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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