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New materials are the lifeblood of solid state research and device technology. Contrary to what many believe, new materials are not usually discovered by device engineers, solid state theorists, or research managers; they are mostly discovered by crystal chemists who are crystal growers. Some physical phenomena are only exhibited in single crystals and can only be studied and understood in single crystals. Thus the crystal grower - especially if he develops a proficiency in relating structure, bonding and other chemo-physical considerations to properties of interest is in a key position in determining the direction & success of solid state research and ultimately technology.There is a need for new lasers with exciting combination of light properties such as wide spectral tuning ranges & large bandwidth for communication systems. While a variety of materials have been studied for their NLO activity, the organic materials have been receiving the maximum attention because of their ultra fast response time, photo-stability and large first order hyper polarizability values.In this view some new organic compounds have been synthesised, grown, characterised, irradiated & discussed
About the author
Dr.P.Srinivasan is working as Assistant Professor in the Dept of Physics at Anna University of Technology Tiruchirappali. His field of research include Bulk crystal growth, Nonlinear optics & thin films. He has to his credit 23 International journal publications. His research work is funded by various indian funding agencies like CSIR,DST and DRDO
