P., Anandan and G. , Parthipan and T., Saravanan and R. , Mohan Kumar and G. , Bhagavannarayana and R. , ]ayavel
(2010)
Crystal growth, structural and optical characterization of a semi-organic single crystal for frequency conversion applications.
Physica B: Condensed Matter, 405 (24).
pp. 4951-4956.
ISSN 0921-4526
Abstract
Single crystals of semi-organic L-histidine hydrobromide have been grown by slow evaporation technique from a mixture of L-histidine and hydrobromic acid in aqueous solution at ambient temperature. From high-resolution X-ray diffraction analysis, the crystalline perfection of the grown crystal has been studied. Single crystal X-ray diffraction analyses, Nuclear Magnetic Resonance spectral analysis, Thermo-Gravimetry (TG), Differential Thermal Analysis (DTA) and hardness test have been employed to characterize the as-grown crystals. The UV cutoff wavelength of the grown crystal is below 300 nm and has a wide transparency window, which is suitable for second harmonic generation of laser in the blue region. Nonlinear optical characteristics have been studied using Q switched Nd:YAG laser (lambda=1064 nm). The second harmonic generation conversion efficiency of the grown crystals confirms their suitability for frequency conversion applications.
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