Second-harmonic generation of 1.06 μm in Sr doped GdCa4O(BO3)3 crystal

Junhai Liu, Zhengping Wang, Shujun Zhang, Jiyang Wang, Huanchu Chen, Zongshu Shao, Minhua Jiang

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The extracavity and intracavity second-harmonic generation (SHG) of 1.06 μm in Sr doped GdCa4O(BO3)3 (GdCOB) cut for phase-matching direction of (θ,φ)=(66.8°,132.3°) was investigated. With a 6-mm-long crystal, the extracavity SHG efficiency reached 55%. In the case of intracavity SHG in an end-pumped Nd:YVO4 laser, 2.3 W of CW SHG power was obtained with an optical conversion efficiency of 17.7%. It was found that the effective nonlinear coefficient (deff) is increased by a factor of 1.15-1.17 compared to the undoped GdCOB crystal.

Original languageEnglish (US)
Pages (from-to)267-271
Number of pages5
JournalOptics Communications
Volume195
Issue number1-4
DOIs
StatePublished - Aug 1 2001

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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