Growth Aspects Of Nonlinear Optical Crystals And Characterization Techniques
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Growth Aspects Of Nonlinear Optical Crystals And Characterization Techniques
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Author : Dr. Helen Merina Albert
language : en
Publisher: Insta Publishing
Release Date :
Growth Aspects Of Nonlinear Optical Crystals And Characterization Techniques written by Dr. Helen Merina Albert and has been published by Insta Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with Education categories.
: This book is based on research conducted on the growth and characterization of nonlinear optical crystals. Due to the significance of crystals in contemporary technology, crystal growth has been the focus of extensive research in both solid-state physics and materials science. This book serves as an introduction to the growth phenomena, specifics of growth processes, nonlinear optical phenomena, and characterization methods that are being used for the analysis. The book is divided into three chapters: The first chapter focuses on the experimental techniques of crystal growth. It outlines the several ways that crystals grow based on the phases they go through, such as solid-solid phase transition, liquid-solid phase transformation, and vapour-solid phase transformation. The optimization methods for growing high-quality single crystals are thoroughly presented. The benefits and drawbacks of methods of growth are reviewed. The second chapter explains the theory of nonlinear optical phenomena. The selection criteria for nonlinear optical materials are reviewed. The history of nonlinear optics and the various types of nonlinear optical materials are discussed. The role of amino acids in the formation of nonlinear optical crystals is well explained. The third chapter discusses characterization procedures that are essential in determining the quality of crystals. The several characterization mechanisms including the molecular structure, chemical composition, surface morphology, optical properties, dielectric properties, mechanical behavior, and thermal properties necessary for crystal analysis are described. We hope that this book will be valuable to researchers and students.
Growth And Characterization Of Technologically Important Nonlinear Optical Crystals Cesium Lithium Borate And Potassium Di Deuterium Phosphate
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Author :
language : en
Publisher:
Release Date : 2006
Growth And Characterization Of Technologically Important Nonlinear Optical Crystals Cesium Lithium Borate And Potassium Di Deuterium Phosphate written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Present day advanced technologies heavily rely on one particular class of matter, i.e. the crystals. It is the periodic nature of the atoms and the properties arising due to the periodicity in crystals that is exploited to meet various technological feats. The technological revolutions in the semiconductor, optics and communication industries are the examples. The anisotropy in the crystals gives them enhanced properties as required in the field of non-linear optics. The field of non-linear optics became practically a reality after the invention of lasers. The coherent and monochromatic optical beams in the visible and ultraviolet ranges are in high demand due to their application in the fields like material processing, semiconductor lithography, laser micromachining, laser spectroscopy, photochemical synthesis, inertial confinement fusion and other basic scientific studies. In this thesis, work on the growth and characterization of two technologically important non-linear optical crystals has been carried out after developing the necessary instrumentation and some novel techniques for synthesis and growth. Also, studies on the glassy nature of one of the crystals have been carried out. This thesis consists of seven chapters. The first chapter gives a brief introduction to the nonlinear optical phenomenon, crystal growth and glassy state. Instrumentation is the backbone of crystal research technology. Without precision growth equipments large size crystals cannot be grown and without precision characterization instrumentation no conclusion regarding the quality and usefulness of the grown material can be drawn. The work reported in Chapter 2 describes the instrumentation developed for the growth, processing and characterization of crystals grown by solution and melt growth techniques. In low temperature solution growth, crystal growth workstations have been developed using tanks (made of acrylic), heating elements, and stirring propellers. Cooling coils have been in.
Organic Nonlinear Optical Materials
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Author : Ch. Bosshard
language : en
Publisher: CRC Press
Release Date : 2020-04-23
Organic Nonlinear Optical Materials written by Ch. Bosshard and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-23 with Technology & Engineering categories.
Organic Nonlinear Optical Materials provides an extensive description of the preparation and characterization of organic materials for applications in nonlinear and electro-optics. The book discusses the fundamental optimization and practical limitations of a number of figures of merit for various optical parameters and gives a clinical appraisal o
Growth And Characterization Of Alanine Complex Nlo Crystals
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Author : Dr. Vimalan Mark
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2010-08
Growth And Characterization Of Alanine Complex Nlo Crystals written by Dr. Vimalan Mark and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08 with categories.
Nonlinear optics is a new frontier of science and technology playing a major role in the emerging era of photonics. Photonics involves the application of photons for information and image processing and is branded to be the technology of the 21st century, wherein nonlinear optical (NLO) processes have applications in the vital functions such as frequency conversion and optical switching. These require materials exhibiting second-order NLO effects and hence there is a great need for device quality single crystals. Materials with large second-order nonlinearities, short transparency cut-off wavelengths and stable physicochemical performances are needed in order to realize many of the applications.L-alanine family of crystals are found to promising materials for NLO applications. Most of the chemical analogs of L-alanine exhibit remarkable NLO property. This book briefly explains the nonlinear optical theory, various methods of crystal growth and characterization techniques. Also explains the growth and properties of Alanine complexes namely, L-alaninium oxalate (LAO), L-alaninium maleate (LAM), Mono-L-alaninium nitrate (MAN) and L-alaninium tartrate (LAT) single crystals.
Studies On Growth And Physical Properties Of Certain Nonlinear Optical And Ferroelectric Crystals
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Author :
language : en
Publisher:
Release Date : 2001
Studies On Growth And Physical Properties Of Certain Nonlinear Optical And Ferroelectric Crystals written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Nonlinear optics and ferroelectrics have been recognized for several decades as promising fields with important applications in the area of opto-electronics, photonics, memory devices, etc. High performance electro-optical switching elements for telecommunications and optical information processing are based on the material properties. Hence, there is always a continuous search for new and better materials. In this thesis we have investigated the growth and physical properties of four crystals viz. two NLO and two ferroelectric crystals. This thesis consists of eight chapters. The first chapter gives an overview of historical perspectives of nonlinear optical phenomenon, ferroelectricity and materials developed therein. The second chapter gives a brief description of the underlying theories of crystal growth, nonlinear optics and ferroelectricity. A major portion of this chapter consists of gist of the earlier work carried out on compounds of our interest viz. urea L-malic acid, sodium p-nitrophenolate dihydrate, glycine phosphite and lithium niobate. Synthesis, growth, crystal structure details and some physical properties of these materials are briefed. The third chapter describes the experimental techniques needed to grow as well as characterize these crystals. The experiments are performed on single crystals grown in the laboratory using the solution growth setup and Czochralski crystal puller. These growth units are described in detail. Preliminary characterization techniques like powder Xray diffraction, optical transmission, scanning electron microscopy, Vickers and Knoop hardness are described briefly. Various experimental methods viz. dielectric, polarization reversal, photoacoustic spectroscopy and laser induced damage for characterizing the grown crystals are explained. Urea L-malic acid (ULMA) is a new NLO organic material which is reported to exhibit second harmonic efficiency three times that of the widely used inorganic crystal, KDP. Hence, this mater.
Growth And Characterization Of Nonlinear Optical Materials
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Author : Suresh Sagadevan
language : en
Publisher:
Release Date : 2011-11
Growth And Characterization Of Nonlinear Optical Materials written by Suresh Sagadevan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11 with categories.
Photonic Crystals
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Author :
language : en
Publisher:
Release Date : 2006
Photonic Crystals written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Photonic band gap materials (or photonic crystals) are periodic dielectric structures with periodicities comparable to the wavelength of light. They offer promising solutions to various scientific and technological challenges. The work in this thesis is focused on fabrication and characterization techniques for photonic crystals and the study of linear and nonlinear optical phenomena in these periodic structures. brief theoretical background of photonic band gap materials is provided in chapter 1. Chapter 2 describes a method for the fabrication of highly ordered photonic crystals by using self-assembly of colloids of dielectric spheres. In this chapter, the conditions that increase the level of perfection and the factors that give better control over the crystallization process are investigated and their theoretical interpretations are discussed. Also infiltration of a high refractive index material (GaP) into the crystals is investigated. Methods for generation of third harmonics in two different photonic crystal media are presented in chapter 3. In the first case, observation of a highly enhanced one-step, third-harmonic generation in three dimensional photonic crystals formed by close-packed polystyrene spheres in a face centered cubic arrangement, is presented. A near infrared laser beam, with a wavelength range of 1300nm-1900nm, is used as the pump source. In the second case, a strong enhancement of one-step third-harmonic generation in a one dimensional photonic crystal is presented. In this case, a near infrared laser beam is tuned to the low frequency edge of the band gap of a photonic crystal prepared from polymer dispersed liquid crystals by holographic lithography. Chapter 4 presents the results of linear and nonlinear optical studies in photonic crystal alloys which are formed by various compositions of polystyrene and polymethlymethacrylate colloidal spheres of the same size. Linear transmittance and reflectance measurements as well as third-harmonic generation experiments were conducted in these photonic crystal alloys. The observed experimental result is fitted to a calculated plot by assuming an effective dielectric constant for the colloidal spheres. In chapter 5, another promising method of fabrication of photonic crystals, holographic lithography, is described. A procedure and optimum growth parameters for the fabrication of fcc-like photonic crystals are presented. Summary and future plans related to the work in this thesis are given in the conclusions and future work section.
Recent Trends In Materials Science And Applications
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Author : Jeyasingh Ebenezar
language : en
Publisher: Springer
Release Date : 2017-05-04
Recent Trends In Materials Science And Applications written by Jeyasingh Ebenezar and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-04 with Science categories.
This book gathers the proceedings of the plenary sessions, invited lectures, and papers presented at the International Conference on Recent Trends in Materials Science and Applications (ICRTMSA-2016). It also features revealing presentations on various aspects of Materials Science, such as nanomaterials, photonic crystal fibers, quantum dots, thin film techniques, crystal growth, spectroscopic procedures, fabrication and characterisation of new materials / compounds with enhanced features, and potential applications in nonlinear optical and electro-optic devices, solar cell device, chemical sensing, biomedical imaging, diagnosis and treatment of cancer, energy storage device etc. This book will be of great interest to beginning and seasoned researchers alike.
Crystal Growth And Characterization Of Nonlinear Optical Crystals
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Author : Suresh Sagadevan
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2014-06-16
Crystal Growth And Characterization Of Nonlinear Optical Crystals written by Suresh Sagadevan and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-16 with categories.
The present book is aimed towards the development of NLO single crystals of p-Toluidine p-Toluenesulfonate, L-Proline Succinate, L-Arginine semicarbazide and L-lysine sulphate are exhibiting NLO property more than that of KDP, and these grown materials can be used as a better replacement for KDP to find applications in the field of opto-electronics. These crystals belong to the amino acid group, which exhibit the nonlinear optical (NLO) property remarkably. The characterization studies include single XRD analysis, UV analysis, mechanical and dielectric studies of the grown crystals. The dielectric and photoconductivity measurement were also carried out for the grown crystals to probe the nature of the conductivity. Hence, the grown crystals are to be confirmed for the single crystalline nature using XRD technique. From UV spectral analysis the required transmission range for the Second Harmonic Generation (SHG) and optical band gap have been estimated.The mechanical, dielectric, and photoconductivity studies were carried out to probe the mechanical strength and polarizability nature of the grown crystals.
Springer Handbook Of Crystal Growth
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Author : Govindhan Dhanaraj
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-20
Springer Handbook Of Crystal Growth written by Govindhan Dhanaraj and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-20 with Science categories.
Over the years, many successful attempts have been chapters in this part describe the well-known processes made to describe the art and science of crystal growth, such as Czochralski, Kyropoulos, Bridgman, and o- and many review articles, monographs, symposium v- ing zone, and focus speci cally on recent advances in umes, and handbooks have been published to present improving these methodologies such as application of comprehensive reviews of the advances made in this magnetic elds, orientation of the growth axis, intro- eld. These publications are testament to the grow- duction of a pedestal, and shaped growth. They also ing interest in both bulk and thin- lm crystals because cover a wide range of materials from silicon and III–V of their electronic, optical, mechanical, microstructural, compounds to oxides and uorides. and other properties, and their diverse scienti c and The third part, Part C of the book, focuses on - technological applications. Indeed, most modern ad- lution growth. The various aspects of hydrothermal vances in semiconductor and optical devices would growth are discussed in two chapters, while three other not have been possible without the development of chapters present an overview of the nonlinear and laser many elemental, binary, ternary, and other compound crystals, KTP and KDP. The knowledge on the effect of crystals of varying properties and large sizes. The gravity on solution growth is presented through a c- literature devoted to basic understanding of growth parison of growth on Earth versus in a microgravity mechanisms, defect formation, and growth processes environment.