Abstract
Optically transparent single crystal of Bis-glycine hydrobromide (GHBr) is developed by cost effective slow solvent evaporation method. The GHBr crystal is tested with X-ray diffraction study to understand the molecular structure. Present material crystallizes in the orthorhombic system with the space group of P 2 1 2 1 2 1 . Spectroscopic studies like FTIR and FT-Raman are carried out on the crystal to confirm the functional groups and to understand the presence of metal vibrations. Chemical construction of the material is further confirmed by 1 H NMR and 13 C NMR studies. The optical transmittance and optical band gap energy of the crystal are observed to be 75% and 5.53 eV respectively. The third order optical nonlinearity analysis are carried out on the crystal using Z-scan setup and the nonlinear optical susceptibility (χ 3 ) and refractive index (n 2 ) values are estimated to be 1.28 × 10 −6 esu and −0.96 × 10 −8 cm 2 /W respectively. The grown crystal is subjected to single shot laser damage threshold (LDT) study and its value is calculated to be 2.54 GW/cm 2 . • Bis-glycine hydrobromide crystal is grown by slow evaporation solution growth method. • The molecular structure of GHBr is analyzed using single crystal X-ray diffraction study. • The grown crystal show 75% optical transmittance and band gap energy of 5.53 eV. • GHBr show optical susceptibility (χ 3 ) of 1.28 × 10 −6 esu and ref. index (n 2 ) −0.96 × 10 −8 cm 2 /W. • Single shot laser damage threshold (LDT) value is found to be 2.54 GW/cm 2 .
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