YAl3(BO3)4: Crystal growth and characterization |
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| Authors: | Xuesong Yu Yinchao Yue Jiyong Yao Zhang-gui Hu |
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| Affiliation: | 1. Key Lab of Functional Crystals and Laser Technology of Chinese Academy of Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;2. Beijing Center for Crystal Research and Development, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | The growth and characterization of YAl3(BO3)4 (YAB), a potential nonlinear optical crystal for the fourth harmonic generation of Nd:YAG laser, was reported. Using top-seeded solution growth method, a YAB crystal with the dimensions of 16×16×18 mm3 was obtained from B2O3–Li2O flux system. The advantages of this flux system and the growth process were discussed in detail. The as-grown YAB crystal was verified by powder X-ray diffraction. The transparency spectra indicated that the cut-off edge of the as-grown YAB was 170 nm. The fourth harmonic generation of a frequency doubled Nd:YAG laser, from 532 to 266 nm, was carried out with a YAB crystal doubler for the first time. Output pulse power obtained was 2.4 mW at 266 nm and the conversion efficiency from 532 to 266 nm was about 15.6%. |
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| Keywords: | A1. Yttrium aluminum borate, YAl3(BO3)4, YAB A2. Top-seeded solution growth, TSSG B1. Flux B2. Nonlinear optical materials, NLO |
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