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OALib Journal期刊
ISSN: 2333-9721
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Influence of Metallic Substitutions on the Optical and Mechanical Properties of NLO Benzoyl Glycine Crystals

Keywords: Nonlinear optical crystal,Crystal growth,Doped single crystals,FTIR,VHN

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Abstract:

Benzoyl glycine (BG) is a promising organic nonlinear optical (NLO) crystal,whose second harmonic generation (SHG) efficiency is much higher than that of KDP (potassium dihydrogen phosphate).Single crystals of pure,Cu2 and Cd2 doped BG were grown by slow evaporation technique.Optically transparent and defect free single crystals of size up to 10 mm×15 mm×10 mm were harvested in a period of 40-60 days.The growth conditions of pure and doped crystals of BG were optimized and the grown crystals were confirmed by single crystal XRD (X-ray diffraction).The grown crystals were characterized by FTIR (Fourier transform infrared spectroscopy),optical absorption and microhardness studies.The microhardness studies confirm that BG has a moderate VHN (Vickers hardness number) value in comparison to the other organic NLO crystals.The efficiency of frequency doubling was measured for the using Nd:YAG laser and the results were discussed.

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