Growth and noncritical phase-matching third-harmonic-generation of GdxY1-xCa4O(BO3)3 crystal

Shujun Zhang, Zhenxiang Cheng, Shaojun Zhang, Jianru Han, Lianke Sun, Huanchu Chen

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Abstract

A series of solid-solution crystals GdxY1-xCa4O(BO3)3 (GdxY1-xCOB) (x = 0-1) were grown by the Czochralski (CZ) method. The distribution coefficients of Gd3+ and Y3+ ions in GdxY1-xCOB crystal are 0.952 and 1.069, respectively, which were measured by X-ray fluorescent analysis. So Y3+ ions are easier to incorporate into GdxY1-xCOB crystal lattice than Gd3+ ions. The composition of crystal from the seed to the bottom is homogeneous. The noncritical phase-matching (NCPM) third-harmonic generation (THG) of Nd: YAG laser (1064 nm) can be realized in Gd0.37Y0.63COB crystal along the Y-principal axis. The UV cutoff of Gd0.37Y0.63 COB is at 320 nm when measured by HITARCHI U-3500 spectrophotometer. For the first time, THG experiments of Gd0.37Y0.63COB crystal were performed using Q-switched Nd: YAG laser. The output energy is up to 88.2 mJ at 355 nm when the input energy is 600mJ for 11mm long Gd0.37Y0.63COB crystal. The THG optical-optical conversion efficiency of Gd0.37Y0.63COB crystal is 14.7%.

Original languageEnglish (US)
Pages (from-to)415-418
Number of pages4
JournalJournal of Crystal Growth
Volume213
Issue number3-4
DOIs
StatePublished - Jun 1 2000

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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