Studies On Growth And Physical Properties Of Certain Nonlinear Optical And Ferroelectric Crystals

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Studies On Growth And Physical Properties Of Certain Nonlinear Optical And Ferroelectric Crystals

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (656 download)

Book Synopsis Studies On Growth And Physical Properties Of Certain Nonlinear Optical And Ferroelectric Crystals by :

Download or read book Studies On Growth And Physical Properties Of Certain Nonlinear Optical And Ferroelectric Crystals written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Crystal Growth and Characterization

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Author : R. Ezhil Vizhi
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783848438068
Total Pages : 216 pages
Book Rating : 4.4/5 (38 download)

Book Synopsis Crystal Growth and Characterization by : R. Ezhil Vizhi

Download or read book Crystal Growth and Characterization written by R. Ezhil Vizhi and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have witnessed a great upswing in the development of new crystals. Over the past few decades, the advancement in science and technology has made single crystals indispensable for the development of new generation devices. Nearly-perfect crystals of nonlinear optics and ferroelectric materials are needed for optoelectronics, microprocessors, photonics, memories and crystals of all kinds which are required for scientific studies and new applications. Hence, there is always a continuous search for new and efficient materials. In this research we have investigated the growth and physical properties of four crystals viz. two NLO and two ferroelectric crystals. Single crystals of a new NLO material DGT and GZS are grown by slow cooling technique for the first time. GPI, TUGPI and AGPI single crystals grown in the solution growth technique have been discussed. Tri Glycine Barium Nitrate (TGBN) is studied recently in terms of its NLO and ferroelectric properties. The grown crystals were subjected to structural, optical, thermal and mechanical characterization studies. The general conclusions are given along with possible future work that could be performed on these crystals.

Introduction to Crystal Growth

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Author : H.L. Bhat
Publisher : CRC Press
ISBN 13 : 1439883300
Total Pages : 350 pages
Book Rating : 4.4/5 (398 download)

Book Synopsis Introduction to Crystal Growth by : H.L. Bhat

Download or read book Introduction to Crystal Growth written by H.L. Bhat and published by CRC Press. This book was released on 2014-10-24 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Crystal Growth: Principles and Practice teaches readers about crystals and their origins. It offers a historical perspective of the subject and includes background information whenever possible. The first section of this introductory book takes readers through the historical development and motivation of the field of crystal growth. With more than 40 years of experience in the field, the author covers nucleation, two-dimensional layer growth mechanism, defects in crystals, and screw dislocation theory of crystal growth. He also explains some aspects of the important subject of phase diagrams. The second section focuses on the experimental techniques of crystal growth. For practicing crystal growers, the book provides nuts-and-bolts techniques and tips. It discusses the major techniques categorized by solid–solid, liquid–solid, and vapor–solid equilibria and describes characterization techniques essential to measuring the quality of grown crystals.

Growth and Properties of Single-crystal Materials for Opto-electronics

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Author : Nobukazu Niizeki
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Growth and Properties of Single-crystal Materials for Opto-electronics by : Nobukazu Niizeki

Download or read book Growth and Properties of Single-crystal Materials for Opto-electronics written by Nobukazu Niizeki and published by . This book was released on 1970 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Single-crystal materials currently in the use in various fields of optoelectronics are reviewed from the viewpoint of materials science. The characteristics of crystal-line laser hosts, nonlinear optic crystals, electroptic crystals, and ultrasonic light diffraction solid media are described. The present status of crystal growth by the pulling method is discussed, and relations between the growth conditions and defects in the obtained crystals are stressed. The necessary steps in the process of device fabrication are analyzed, and some important factors such as phase diagram information, domain structure in oxide ferro-electrics, and laser damage susceptibility are pointed out. Some theoretical treatments of oxide ferroelectric crystals useful for materials scientists are reviewed.

Nonlinear Optical and Lattice Dynamical Studies of Some Ferroelectric Crystals

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Author : Tung Symon Chang
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (258 download)

Book Synopsis Nonlinear Optical and Lattice Dynamical Studies of Some Ferroelectric Crystals by : Tung Symon Chang

Download or read book Nonlinear Optical and Lattice Dynamical Studies of Some Ferroelectric Crystals written by Tung Symon Chang and published by . This book was released on 1971 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Growth and Properties

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Author : Herbert C Freyhardt
Publisher :
ISBN 13 : 9783642674686
Total Pages : 214 pages
Book Rating : 4.6/5 (746 download)

Book Synopsis Growth and Properties by : Herbert C Freyhardt

Download or read book Growth and Properties written by Herbert C Freyhardt and published by . This book was released on 1980-02-01 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development of Ferroelectric Liquid Crystals with Enhanced Nonlinear Optical Properties

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Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Development of Ferroelectric Liquid Crystals with Enhanced Nonlinear Optical Properties by :

Download or read book Development of Ferroelectric Liquid Crystals with Enhanced Nonlinear Optical Properties written by and published by . This book was released on 1994 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: During our Phase I research, we advanced materials synthesis and evaluation techniques needed to develop ferroelectric liquid crystals into a useful second-order nonlinear optical material. We developed a technique for determining the second-order nonlinear susceptibility by measuring the electro- optic coefficient r22 at 633 nm, using modulation frequencies between 100 KHz- 100 MHz. We evaluated two specially synthesized FLCs by measuring their r22 coefficients: previously existing MX-5679 and recently synthesized W-399, both based on a nitrobenzene hyperpolarizable moiety. Results show an increasing r22 with increasing spontaneous polarization. We also partially evaluated a new FLC material, W-371, with an ortho-situated nitroaniline hyperpolarizable moiety. Since the liquid crystalline and the linear and nonlinear materials parameters FLCs have a temperature dependence, we examined existing FLC polymers for a FLC to glass phase and discovered a polymeric/FLC system that potentially could be used to reduce temperature dependent materials properties. Our FLC synthesis efforts concentrated on synthesis of Hoffman-LaRoche compounds roche 1 and roche 2. Unfortunately, we were unable to duplicate their synthesis and instead developed an alternative core that could yield FLCs with a higher second-order nonlinear susceptibility. Ferroelectric liquid crystal, Second-order nonlinear optical material.

Ferroelectrics Literature Index

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Author : T. F. Connolly
Publisher : Springer Science & Business Media
ISBN 13 : 1468462105
Total Pages : 713 pages
Book Rating : 4.4/5 (684 download)

Book Synopsis Ferroelectrics Literature Index by : T. F. Connolly

Download or read book Ferroelectrics Literature Index written by T. F. Connolly and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 713 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on ferroelectricity and ferroelectric materials started in 1920 with the discovery by Valasek that the variation of spontaneous polarization in Rochelle salt with sign and magnitude of an applied electric field traced a complete and reproducible hysteresis loop. Activity in the field was sporadic until 1935, when Busch and co-workers announced the observation of similar behavior in potassium dihydrogen phosphate and related compounds. Progress thereafter continued at a modest level with the undertaking of some theoretical as well as further experimental studies. In 1944, von Hippel and co-workers discovered ferroelectricity in barium titanate. The technological importance of ceramic barium titanate and other perovskites led to an upsurge of interest, with many new ferroelectrics being identified in the following decade. By 1967, about 2000 papers on various aspects of ferroelectricity had been published. The bulk of this widely dispersed literature was concerned with the experimental measurement of dielectric, crystallographic, thermal, electromechanical, elastic, optical, and magnetic properties. A critical and excellently organized cpmpilation based on these data appeared in 1969 with the publica tion of Landolt-Bornstein, Volume 111/3. This superb tabulation gave instant access to the results in the literature on nearly 450 pure substances and solid solutions of ferroelectric and antiferroelectric materials. Continuing interest in ferroelectrics, spurred by the growing importance of electrooptic crystals, resulted in the publication of almost as many additional papers by the end of 1969 as had been surveyed in Landolt-Bornstein.

Ferroelectric Materials and Ferroelectricity

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Author : T. F. Connolly
Publisher : Springer Science & Business Media
ISBN 13 : 1475706987
Total Pages : 692 pages
Book Rating : 4.4/5 (757 download)

Book Synopsis Ferroelectric Materials and Ferroelectricity by : T. F. Connolly

Download or read book Ferroelectric Materials and Ferroelectricity written by T. F. Connolly and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a joint effort of the Research Materials Information Center (RMIC) of the Solid State Division at Oak Ridge National Laboratory and the Libraries and Information Systems Center at Bell Telephone Laboratories (BTL) Murray Hill, N. J. The Research Materials Information Center has, since 1963, been answering inquiries on the avail ability, preparation, and properties of inorganic solid-state research materials. The preparation of bibliographies has been essential to this function, and the interest in ferroelectrics led to the compila tion of the journal and report literature on that subject. The 1962 book Ferroelectric Crystals, by Jona and Shirane, was taken as a cutoff point, and all papers through mid-1969 received by the Center have been included. The Libraries and Information Systems Center of BTL has, over a period of years, developed a proprie tary package of computer programs called BELDEX, which formats and generates indexes to biblio graphic material. This group therefore undertook to process RMIC's ferroelectric references by BELDEX so that both laboratories could have the benefit of an indexed basic bibliography in this important research area.

Fiber Crystal Growth from the Melt

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Author : Tsuguo Fukuda
Publisher : Springer Science & Business Media
ISBN 13 : 3662072149
Total Pages : 295 pages
Book Rating : 4.6/5 (62 download)

Book Synopsis Fiber Crystal Growth from the Melt by : Tsuguo Fukuda

Download or read book Fiber Crystal Growth from the Melt written by Tsuguo Fukuda and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fiber Crystal Growth from the Melt reviews the growth, modelling, characterization and application of single crystal fibers. Due to their very large length-to-diameter ratio together with perfect crystallographic structure and chemical homogeneity, such fibers have mechanical and physical properties that approach the theoretical values. Fukuda explains how their ultra-high strength enables their application as reinforcing agents in structural components. And he elucidates how and why fiber crystals are particularly well suited for wave guiding, tunable narrow-band filters and nonlinear optics and for the generation of green, blue and violet wavelenghts, and also as micro lasers and laser modulators.

Springer Handbook of Crystal Growth

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Author : Govindhan Dhanaraj
Publisher : Springer Science & Business Media
ISBN 13 : 3540747613
Total Pages : 1823 pages
Book Rating : 4.5/5 (47 download)

Book Synopsis Springer Handbook of Crystal Growth by : Govindhan Dhanaraj

Download or read book Springer Handbook of Crystal Growth written by Govindhan Dhanaraj and published by Springer Science & Business Media. This book was released on 2010-10-20 with total page 1823 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Nonlinear Optics on Ferroic Materials

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Author : Manfred Fiebig
Publisher : John Wiley & Sons
ISBN 13 : 3527822801
Total Pages : 485 pages
Book Rating : 4.5/5 (278 download)

Book Synopsis Nonlinear Optics on Ferroic Materials by : Manfred Fiebig

Download or read book Nonlinear Optics on Ferroic Materials written by Manfred Fiebig and published by John Wiley & Sons. This book was released on 2023-10-18 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Optics on Ferroic Materials Covering the fruitful combination of nonlinear optics and ferroic materials! The use of nonlinear optics for the study of ferroics, that is, magnetically, electrically or otherwise spontaneously ordered and switchable materials has witnessed a remarkable development since its inception with the invention of the laser in the 1960s. This book on Nonlinear Optics on Ferroic Materials reviews and advances an overarching concept of ferroic order and its exploration by nonlinear-optical methods. In doing so, it brings together three fields of physics: symmetry, ferroic order, and nonlinear laser spectroscopy. It begins by introducing the fundamentals for each of these fields. The book then discusses how nonlinear optical studies help to reveal properties of ferroic materials that are often inaccessible with other methods. In this, consequent use is made of the unique degrees of freedom inherent to optical experiments. An excursion into the theoretical foundations of nonlinear optical processes in ferroics rounds off the discussion. The final part of the book explores classes of ferroic materials of primary interest. In particular, this covers multiferroics with magnetoelectric correlations and oxide-electronic heterostructures. An outlook towards materials exhibiting novel forms of ferroic states or correlated arrangements beyond ferroic order and the study these systems by nonlinear optics concludes the work. The book is aimed equally at experienced scientists and young researchers at the interface between condensed-matter physics and optics and with a taste for bold, innovative ideas.

Ferroelectric Crystals for Laser Radiation Control,

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Author : A. M. Prokhorov
Publisher : CRC Press
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Ferroelectric Crystals for Laser Radiation Control, by : A. M. Prokhorov

Download or read book Ferroelectric Crystals for Laser Radiation Control, written by A. M. Prokhorov and published by CRC Press. This book was released on 1990 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser radiation is used in many ways; to stimulate thermonuclear reactions, to cut glass, to grow crystals & to obtain three dimensional images possessing electro-optic & optical nonlinear properties are used. The crystals widely used at present are of high optical quality & find wide applications but they possess comparatively low electro-optic & nonlinear coefficients. In recent years ferroelectric single crystals of niobates & tantalates of alkali-earth methods have been synthesised & studied in details. These appear to possess high electro-optic, piezoelectric, pyroelectric & nonlinear properties making these crystals ideal for use in device modulation declination & conversion of laser radiation frequency Because of the wide applications of these crystals it is important to fully understand the growth technology. This book presents the basic physical & chemical properties of single crystals of these compounds, gives a brief description of the growth techniques & the various aspects of their application in quantum electronics & nonlinear optics.

U.S. Government Research Reports

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Publisher :
ISBN 13 :
Total Pages : 814 pages
Book Rating : 4.3/5 (243 download)

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Download or read book U.S. Government Research Reports written by and published by . This book was released on 1963 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Research and Technology 1989

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ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (317 download)

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Download or read book Research and Technology 1989 written by and published by . This book was released on 1989 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Science Abstracts

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ISBN 13 :
Total Pages : 764 pages
Book Rating : 4.E/5 ( download)

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Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: