Laser self-frequency-doubling in NdxGd1-xCa4O(BO3)3

Shujun Zhang, Zhenxiang Cheng, Jianru Han, Zongshu Shao, Xueyuan Hou, Yuming Sun, Enquan Liu, Xuesong Liu, Huanchu Chen

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2 Scopus citations


A large size and optical quality NdxGd1-xCa4O(BO3)3 (NdxGd1-xCOB) crystal was obtained by the CZ pulling method. The polarized transmittance spectrum was measured at room temperature on a 9×9×9 mm3 NdxGd1-xCOB (x = 0.07) sample. The (66.8, 132.6) phase-matching direction was reported firstly and its deff is 2.1 pm/V which is similar as that of BBO crystal. A 3×3×10 mm3 sample without antireflective coating was side-pumped by a pulsed dye-laser tuned to 595.4 nm. The green-light output energy was 1.35 mJ at the pump energy 17.5 mJ. The conversion efficiency is 7.7%, and the threshold energy is less than 1.2 mJ which are the best results up to now to our knowledge.

Original languageEnglish (US)
Pages (from-to)711-714
Number of pages4
JournalPhysica Status Solidi (A) Applied Research
Issue number2
StatePublished - Oct 1999

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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