Growth and characterization of semiorganic non linear optical and ferro electric crystals for optical device application

Abstract

Nowadays crystals are produced artificially to satisfy the needs of science, technology and jewelry The ability to grow high quality new crystals has become an essential criterium for the competitiveness of nations Advancement in the development of crystal growth is highly demanded in the fields of semiconductors, polarizers, transducers infrared detectors ultrasonic amplifiers ferrites magnetic garnets solid state lasers nonlinear optic piezoelectric acousto-optic photosensitive materials and crystalline thin films for microelectronics and computer industries The utility of crystals has been extended from the bounds of ornaments to several useful applications in optical electrical and optoelectronic devices This thesis presents the possibility of using organic inorganic and semi organic materials for the fabrication of optoelectronic devices and biomedical applications Nonlinear Optics NLO deals with the study of the interaction of intense electromagnetic field with materials to produce modified fields that are different from the input field in phase frequency or amplitude. Second Harmonic Generation SHG is a nonlinear optical process that results in the conversion of an input optical wave into an output wave of twice the input frequency newline