Optical homogeneity and subtle features of structural distortions in a series of single crystals of lithium niobate (LiNbO3) of congruent composition doped Mg2+ [0.01 - 5.5 mol%] Investigated by laser conoscopic method using radiation He-Ne laser (λ = 632.8 nm ) of less than 1 mW.
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O. Y. Pikoul, N. V. Sidorov, M. N. Palatnikov and O. V. Makarova, "Laser Сonoscopiс Research Technique For Single Crystals LiNbO3: Mg," Journal of Modern Physics, Vol. 4 No. 5, 2013, pp. 12-17. doi: 10.4236/jmp.2013.45B003.
 R. Stoiber and S. Morse, “Microscopic Identification of Crys-tals,” The Ronald Press Company, New York, 1972.
 F. E. Veiras, M. T. Garea and L. I. Perez “Wide Angle Conoscopic Interference Patterns in Uniaxial Crystals,” Applied Optics, Vol. 51, No. 15, 2012, pp. 3081-3090.
 N. Mamedov, Y. Shim. and N. Yamamoto, “New Developments in Experimental and Analytical Aspects of Light Figure Spectroscopy,” Japanese Journal of Applied Physics , Vol. 44, No. 1B, 2005, pp. 754-760.
 L. Dumitrascu, I. Dumitrascu, D. O. Dorohoi, E. C. Subbarao, G. Shirane and F. Jona, “Conoscopic Method for Determination of Main Refractive Indices and Thickness of a Uniaxial Crystal Cut Out Parallel to Its Optical axis,” Journal of Applied Crys-tallography, Vol. 42, 2009, pp. 878-884.
 O. Y. Pikoul, “Deter-mination of Optical Sign of a Crystal by Conoscopic Me-thod,” Journal of Applied Crystallography,Vol. 43, 2010, pp. 949-954.
 K. A. Rudoi, B. V. Nabatov, V. I. Stroganov, A. F. Konstantinova, L. V. Alekseeva, E. A. Evdishchenko, B. I. Kidyarov,“Conoscopic Figures of Optically Active Uniaxial Crystals,” Crystallography Reports, Vol. 48, No. 2, 2003, pp. 300-304. doi:0.1134/1.1564211
 M. A. Geday and A. M. Glazer, “A New View of Conoscopic Illumination of Optically Active Crystals,”Journal of Applied Crystallography, Vol. 35, pp. 185-190.
 Ch. Y. Gao, H. R. Xia, J. Q. Xu, Sh. Ch. Si, H. J. Zhang, J. Y. Wang and H. L. Song, “Theoretical and Experimental Study on the Conoscopic Inter-ference in Uniaxial Crystal (Ca0.28Ba0.72)x(Sr0.60Ba0.40)1-xNb2O6,” Crystal Research and Technology, Vol. 42, No. 11, pp. 1126-1131.
 P. Q. Wang “Visualizing the Conoscopic Isochromatic Interference Fringes in Anisotropic Crystals by Spinning Polarizer and Analyzer,” Optics Letters, Vol. 37, No. 21, 2012, pp. 4392-4394. .doi:10.1002/crat.200710930
 S. Kar, Rajeev Bhatt, Gurvinderjit Singh, Gaurav Goel, and K. S. Bart-wal,“Optic Axis and Optic Sign Determination of Uniaxial LiNbO3 Crystal Using Polarizing Optical Microscope,” Pro-ceeding of DAE- BRNS National Laser Symposium IIT, Kha-ragpur, December 2003.
 A. G. Shtukenberg and Y. O. Punin, “Optical Anomalies in Crystals,” SPb., Science, 2004.
 M. N. Palatnikov, “Materials of Electronic Equip-ment on the Basis of Ferroelectric Single Crystals and Ceramic Solid Solutions of Niobium-Tantalate Alkali Metal with Micro- and Nanostructures,”Diss. of dr. tech science, Apatity, 2010.
 N. V. Sidorov, T. R. Volk, B. N. Mavrin and V. T. Kalinnikov, “Lithium Niobate: Defects, Photorefraction, the Vibrational Spectrum, the Polaritons,” Moscow, Nauka, 2003.
 L. S. Kokhanchik, M. N. Palatnikov and O. B. Shcherbina “Periodic domain structure formed in growing single crystals LINBO3, of gadolinium doped,” Surface. X-ray, synchrotron and neutron research, No. 9, 2010, pp. 42-48.
 T. S. Chernaya, T. R. Volk, I. A. Verin and V. I. Simonov “Threshold Concentrations in Zinc-doped Lithium Niobate Crystals and Their Structural Conditionality,” Crystal-lography Reports, Vol. 53, No. 4, 2008, pp. 573-578.
 N. Iyi, K. Kitamara, F. Izumi, J. K. Yomanato, T. Hayashi, H. Asano and S. Kimura, “Comparative Study of Defects Structures in Lithium Niobate with Different Composition,” Journal of Solid State Chemistry, Vol. 101, No. 2, 1992, pp. 340-352. doi:10.1016/0022-4596(92)90189-3