Abstract
Highly transparent nonlinear Thiourea cadmium hydrogen borate (TCHB) single crystal grown by slow evaporation method is investigated for optoelectronic applications. Single crystal XRD provides details about the lattice structure. FTIR vibrational spectroscopic study identifies the functionals that make up the crystal system. Elemental composition is determined from the EDAX spectrum. UV spectral analysis is performed to determine the transparency range, absorption edge limit, and band gap value at which the crystal can be run. The linear behavior of TCHB is analysed by studying the optical constants from the transmittance values. TG/DTA analysis is done to find out the thermal stability. Vickers microhardness test classifies TCHB as a soft material and elasticity, brittleness and other mechanical properties are assessed from the hardness value. Second harmonic optical study affirms frequency doubling of Nd:YAG laser. Third order measurements, such as, nonlinear absorption co-efficient (β), nonlinear refraction (n2) and third order susceptibility (χ3) are calculated by the Z scan technique.
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