Abstract
An exceedingly high-quality second and third-order nonlinear optical (TONLO) single crystal trisglycine epsomite (TGE) has been grown productively using aqueous solution by conventional solution growth method. Single crystal XRD confirms the distortion of crystal structure from orthorhombic to triclinic with space group. CHN analysis authenticates the occurrence of carbon, hydrogen and nitrogen in the grown crystal. FTIR studies substantiate the existence of functional groups. The optical transmission studies proves the transparency of the sample in the entire visible region and band gap was determined using Tauc’s plot. The output intensity of SHG was verified by Kurtz and Perry powder technique and it was found to be 0.792 times greater than that of KDP. TONLO properties such as nonlinear refraction (NLR), nonlinear absorption (NLA), third-order susceptibility (χ3) and hyperpolarizability (γ) were determined with high accuracy using effectively attributes to self-defocusing effect also with high third-order susceptibility comparing to other NLO crystals. SEM analysis reveals the surface morphology of the grown crystal.
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