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, Cu^(2+) and Cd^(2+) 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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