[1] R. W. Boyd, “Nonlinear Optics,” Academic Press, San Diego, 1992.
[2] D. S. Chemla and J. Zyss, “Nonlinear Optical Properties of Organic Molecules and Crystals,” Vol. 1-2, Academic Press, New York, 1987.
[3] R. F. Belt, G. Gashurov and Y. S. Liu, “KTP as a Harmonic Generator of Nd:YAG Lasers,” Laser Focus, Vol. 21, No. 10, 1985, pp. 110-124.
[4] R. S. Calark, “Getting the Laser Word to Subs,” Photonics Spectra, Vol. 22, 1988, pp. 135-136.
[5] R. J. Gambino, “Optical Storage Disk Technology,” Bulletin of Materials Research Society, Vol. 15, 1990, pp. 20-22.
[6] G. Rameshkumar, S. Gokul Raj, R. Mohan and R. Jayavel, “Influence of Isoelectric pH on the Growth Linear and Nonlinear Optical and Dielectric Properties of L-Threonine Single Crystals,” Crystal Growth and Design, Vol. 6, No. 6, 2006, pp. 1308-1310. doi:10.1021/cg050438g
[7] W. D. Cheng and J. X. Lu, “Certain Inorganic Borate Crystals as Excellent Second Order Nonlinear Optical Materials in the UV-Region,” Chinese Journal of Structunal Chemistry, Vol. 16, 1997, pp. 81-85.
[8] M. Fujimoto and Y. Tomkiewicz, “EPR of Cationic Radicals Formed by UV Irradiation of Cu2+ doped Amino Acid Crystals at 77?K: Glycine and Dimethylalanine,” Journal of Chemical Physics, Vol. 56, No. 7, 1972, pp. 3317-3320. doi:10.1063/1.1677698
[9] B. Suresh Kumar, M. R. Sudarsana Kumar and K. Rajendra Babu, “Growth and Characterization of Pure and Lithium Doped L-Alanine Single Crystals for NLO Devices,” Crystal Research and Technology, Vol. 43, No. 7, 2008, pp. 745-750. doi:10.1002/crat.200711109
[10] P. P. Kumar, V. Manivannan, S. Tamilselvan, S. Senthil, V. A. Raj, P. Sagayaraj and J. Madhavan, “Growth and Characterization of a Pure and Doped Nonlinear Optical L-Histidine Acetate Single Crystals,” Optics Communications, Vol. 281, No. 10, 2008, pp. 2989-2995. doi:10.1016/j.optcom.2008.01.058
[11] P. P. Kumar, V. Manivannan, P. Sagayaraj and J. Madhavan, “Growth and Characterization of Pure and Doped NLO L-Arginine Acetate Single Crystals,” Bulletin of Materials Science, Vol. 32, No. 4, 2009, pp. 431-435. doi:10.1007/s12034-009-0063-3
[12] V. G. Sreevalsa and S.Jayalekshmi, “Investigations on the Growth and Characterization of L-Citrulline Oxalate Monohydrate Single Crystal,” Journal of Crystal Growth, Vol. 324, No. 1, 2011, pp. 172-176. doi:10.1016/j.jcrysgro.2011.03.017
[13] V. G. Sreevalsa and S. Jayalekshmi, “Studies on the Thermal, Optical and Dielectric Properties of a New Nonlinear Optical Crystal—L-Citrulline Oxalate Grown by Slow Evaporation Technique,” Transactions of the Indian Institute of Metals, Vol. 64, No. 2, 2011, pp. 205-208. doi:10.1007/s12666-011-0040-6
[14] D. Rajan Babu and D. Jayaraman, “Growth and Characterization of Non-Linear Optical L-Alanine Tetrafluoroborate (L-AlFB) Single Crystals,” Journal of Crystal Growth, Vol. 245, No. 1-2, 2002, pp. 121-125.
[15] K. Ambujam, S. Selvakumar, D. Prem Anand, G. Mohamed and P. Sagayaraj, “Crystal Growth, Optical, Mechanical and Electrical Properties of Organic NLO Material γ-Glycine,” Crystal Research and Technology, Vol. 41, No. 7, 2006, pp. 671-677. doi:10.1002/crat.200510647
[16] S. K. Kurtz and T. T. Perry, “A Powder Technique for the Evaluation of Nonlinear Optical Materials,” Journal of Applied Physics, Vol. 39, No. 8, 1968, pp. 3798-3813. doi:10.1063/1.1656857