Synthesis, growth and characterization of a new nonlinear optical crystal sodium acid phthalate

Sodium acid phthalate (NaAP), a new semi-organic nonlinear optical material, has been synthesized and single crystals were grown from aqueous solution. The FTIR spectrum confirms the compound formation. Single crystals of NaAP have been grown by slow evaporation of solvent at room temperature up to...

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Bibliographic Details
Published in:Journal of crystal growth 2005-09, Vol.282 (3), p.429-433
Main Authors: Ganesh, R. Bairava, Kannan, V., Meera, K., Rajesh, N.P., Ramasamy, P.
Format: Article
Language:English
Subjects:
A1. X-ray diffraction
B2. Nonlinear materials
B3. Harmonic generators
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Methods of crystal growth
physics of crystal growth
Physics
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Summary:Sodium acid phthalate (NaAP), a new semi-organic nonlinear optical material, has been synthesized and single crystals were grown from aqueous solution. The FTIR spectrum confirms the compound formation. Single crystals of NaAP have been grown by slow evaporation of solvent at room temperature up to dimensions of 10 mm×5 mm×3 mm. Powder X-ray diffraction study on grown crystals shows that they belong to an orthorhombic system. The UV–Vis–NIR transmission spectrum has been recorded in the range 200–1100 nm. The second harmonic generation conversion efficiency of NaAP was determined using Kurtz powder technique; it was observed that it has double the efficiency of KAP crystals. The laser damage threshold value was determined using a Q-switched Nd:YAG laser operating at 1064 nm and with 65 ns pulses in single shot mode.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2005.05.034