l-Proline Lithium Chloride Monohydrate single crystal has been successfully synthesized and grown by slow evaporation solution technique. The lattice dimensions have been calculated by single crystal XRD. The presence of strain inside the crystal has been evaluated by powder X-ray diffraction. Its crystalline perfection was found to be good with the full width at half maxima of 29.31 arc sec. The crystal quality can be further examined by time resolve photoluminescence spectroscopy. The dielectric constant and dielectric loss have been measured over the frequency range of 10 Hz–10 kHz. The curve plotted during the measurement suggests that the value of dielectric constant decreases at higher frequency which ensures that the crystal is good candidate for NLO devices. The laser damage threshold measurements have been performed for single and multiple shots which reveal that the tolerance power for the single shot is more as compared to multiple shots. Its third order nonlinearity and thermal parameters have also been assessed for the title compound. The interference patterns obtained from the birefringence studies infer the optical homogeneity and defects in the grown crystals. The density of the single crystal has been calculated by floating technique taking kerosene as a reference. Keywords: X-ray diffraction, Crystal growth, Photoluminescence, Thermal conductivity, Specific heats, Thermal diffusivity
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