Introduction to nonlinear optical effects in molecules and polymers Basis and Formulation of Nonlinear Optics. Origin of Microscopic Nonlinearity in Organic Systems. Bulk Nonlinear Optical Susceptibility. Second Order Nonlinear Optical Processes. Measurement Techniques for Second Order Nonlinear OpticalEffects. A Survey of Second Order Nonlinear Optical Materials. Third Order Nonlinear Optical Processes. Measurement Techniques for Third Order Nonlinear OpticalEffects. A Survey of Third Order Nonlinear Optical Materials. Nonlinear Optics in Optical Waveguides and Fibers. Device Concepts. Issues and Future Directions. Appendix. Index.