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Third Order Nonlinearity Of Organic Molecules
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Book Synopsis Organic Molecules for Nonlinear Optics and Photonics by : J. Messier
Download or read book Organic Molecules for Nonlinear Optics and Photonics written by J. Messier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photonics is being labelled by many as the technology for the 21st century. Because of the structural flexibility both at the molecular and bulk levels, organic materials are emerging as a very important class of nonlinear optical materials to be used for generating necessary nonlinear optical functions for the technology of photonics. Since the last NATO advanced research workshop on "Polymers for Nonlinear Optics"held in June 1988, at Nice - Sophia Antipolis, France. there has been a tremendous growth of interest worldwide and important development in this field. Significant progress has been made in theoretical modeling, material development, experimental studies and device concepts utilizing organic materials. These important recent developments provided the rationale for organizing the workshop on "Organic Materials for Nonlinear Optics and Photonics" which was held in La Rochelle, France, in August 1990. This proceeding is the outcome of the workshop held in La Rochelle. The objective of the workshop was to bring together scientists and engineers of varied backgrounds working in this field in order to assess the current status of this field by presenting significant recent developments and make recommendations on future directions of research. The workshop was multidisciplinary as it had contributions from chemists, physicists, materials scientists and device engineers. The participants were both from industries and universities. The workshop included plenary lectures by leading international scientists in this field, contributed research papers and a poster session. Panel discussion groups were organized to summarize important developments and to project future directions.
Book Synopsis Nonlinear Optics of Organic Molecules and Polymers by : Hari Singh Nalwa
Download or read book Nonlinear Optics of Organic Molecules and Polymers written by Hari Singh Nalwa and published by CRC Press. This book was released on 2020-07-09 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of nonlinear optics emerged three decades ago with the development of the first operating laser and the demonstration of frequency doubling phenomena. These milestone discoveries not only generated much interest in laser science, but also set the stage for future work on nonlinear optics. This book presents an excellent overview of the exciting new advances in nonlinear optical (NLO) materials and their applications in emerging photonics technologies. It is the first reference source available to cover every NLO material published through 1995. All theoretical approaches, measurement techniques, materials, technologies, and applications are covered. With more than 1,800 bibliographic citations, 324 figures, 218 tables, and 812 equations, this book is an invaluable reference source for graduate and undergraduate students, researchers, scientists and engineers working in academia and industries in chemistry, solid-state physics, materials science, optical and polymer engineering, and computational science.
Book Synopsis Third Order Nonlinearity of Organic Molecules by : Honghua Hu
Download or read book Third Order Nonlinearity of Organic Molecules written by Honghua Hu and published by . This book was released on 2012 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main goal of this dissertation is to investigate the third-order nonlinearity of organic molecules. This topic contains two aspects: two-photon absorption (2PA) and nonlinear refraction (NLR), which are associated with the imaginary and real part of the third-order nonlinearity ([chi]3) of the material, respectively. With the optical properties tailored through meticulous molecular structure engineering, organic molecules are promising candidates to exhibit large third-order nonlinearities. Both linear (absorption, fluorescence, fluorescence excitation anisotropy) and nonlinear (Z-scan, two-photon fluorescence, pump-probe) techniques are described and utilized to fully characterize the spectroscopic properties of organic molecules in solution or solid-state form. These properties are then analyzed by quantum chemical calculations or other specific quantum mechanical model to understand the origins of the nonlinearities as well as the correlations with their unique molecular structural features. These calculations are performed by collaborators. The 2PA study of organic materials is focused on the structure-2PA property relationships of four groups of dyes with specific molecular design approaches as the following: (1) Acceptor-[pi]-Acceptor dyes for large 2PA cross section, (2) Donor-[pi]-Acceptor dyes for strong solvatochromic effects upon the 2PA spectra, (3) Near-infrared polymethine dyes for a symmetry breaking effect, (4) Sulfur-squaraines vs. oxygen-squaraines to study the role of sulfur atom replacement upon their 2PA spectra. Additionally, the 2PA spectrum of a solid-state single crystal made from a Donor-[pi]-Acceptor dye is measured, and the anisotropic nonlinearity is studied with respect to different incident polarizations. These studies further advance our understanding towards an ultimate goal to a predictive capability for the 2PA properties of organic molecules. The NLR study on molecules is focused on the temporal and spectral dispersion of the nonlinear refraction index, n2, of the molecules. Complicated physical mechanisms, originating from either electronic transitions or nuclei movement, are introduced in general. By adopting a prism compressor / stretcher to control the pulsewidth, an evolution of n2 with respect to incident pulsewidth is measured on a simple inorganic molecule--carbon disulfide (CS2) in neat liquid at 700 nm and 1064 nm to demonstrate the pulsewidth dependent nonlinear refraction. The n2 spectra of CS2 and certain organic molecules are measured by femtosecond pulses, which are then analyzed by a 3-level model, a simplified "Sum-over-states" quantum mechanical model. These studies can serve as a precursor for future NLR investigations.
Book Synopsis Nonlinear Optical Properties of Organic Molecules and Crystals V2 by : D.S. Chemla
Download or read book Nonlinear Optical Properties of Organic Molecules and Crystals V2 written by D.S. Chemla and published by Elsevier. This book was released on 2012-12-02 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Optical Properties of Organic Molecules and Crystals, Volume 2 deals with the nonlinear optical properties of organic molecules and crystals, with emphasis on cubic nonlinear optical effects and and the intermolecular bond. Topics covered include the basic structural and electronic properties of polydiacetylenes; cubic effects in polydiacetylene solutions and films; and degenerate third-order nonlinear optical susceptibility of polydiacetylenes. Dimensionality effects and scaling laws in nonlinear optical susceptibilities are also considered. This volume is comprised of seven chapters divided into two sections and begins with a discussion on the basic structural and electronic properties of polydiacetylenes as well as their methods of preparation. Cubic nonlinearities in polydiacetylene solutions and films are then examined, paying particular attention to polarization in one-dimensional media; multiple reflections of fundamental and harmonic waves; and harmonic generation in an absorbing medium. The following chapters focus on degenerate third-order nonlinear optical susceptibility of polydiacetylenes; dimensionality effects and scaling laws in nonlinear optical susceptibilities; polarizabilities and hyperpolarizabilities of long molecules; and resonant molecular optics. The final chapter analyzes the nonlinear optics of a wide range of compounds that are held together by intermolecular bonding and form supramolecular assemblies. This monograph will be a useful resource for physicists, physical and organic chemists, and those in the field of quantum electronics.
Book Synopsis Nonlinear Optical Effects in Organic Polymers by : J. Messier
Download or read book Nonlinear Optical Effects in Organic Polymers written by J. Messier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photonics, the counterpart of electronics, involves the usage of Photons instead of electrons to process information and perform various switching operations. Photonics is projected to be the technology of the future because of the gain in speed, processing and interconnectivity of network. Nonlinear optical processes will play the key role in photonics Where they can be used for frequency conversion, optical switching and modulation. Organic molecules and polymers have emerged as a new class of highly promising nonlinear optical materials Which has captured the attention of scientists world wide. The organic systems offer the advantage of large nonresonant nonlinearities derived from the 1T electrons contribution, femtosecond response time and the flexibility to modify their molecular structures. In addition, organic polymers can easily be fabricated in various device structures compatible with the fiber-optics communication system. The area of nonlinear optics of organic molecules and polymers offers exciting opportunities for both fundamental research and technologic development. It is truly an interdisciplinary area. This proceeding is the outcome of the first NATO Advanced Research WOrkshop in this highly important area. The objective of the workshop was to provide a forum for scientists of varying background from both universities and industries to come together and interface their expertize. The scope of the workshop was multidisciplinary with active participations from Chemists, physicists, engineers and materials scientists from many countries.
Book Synopsis Nonlinear Optics of Organic Molecules and Polymers by : Hari Singh Nalwa
Download or read book Nonlinear Optics of Organic Molecules and Polymers written by Hari Singh Nalwa and published by CRC Press. This book was released on 1996-12-20 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an excellent overview of the exciting new advances in nonlinear optical (NLO) materials and their applications in emerging photonics technologies. It is the first reference source available to cover every NLO material published through 1995! All theoretical approaches, measurement techniques, materials, technologies, and applications are covered. With more than 1,800 bibliographic citations, 324 figures, 218 tables, and 812 equations, this book is an invaluable reference source for graduate and undergraduate students, researchers, scientists and engineers working in academia and industries in chemistry, solid-state physics, materials science, optical and polymer engineering, and computational science.
Book Synopsis First and Third Order Susceptibility of Organic Molecules by : Hao-Jung Chang
Download or read book First and Third Order Susceptibility of Organic Molecules written by Hao-Jung Chang and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Illuminating a material with intense laser excitation may change its properties and result in nonlinear absorption (NLA) and nonlinear refraction (NLR). In this dissertation we study the nonlinear absorption of organic compounds, the effect of extremely nondegenerate NLR in semiconductors, and the linear refractive index of organic solvents.
Book Synopsis Nonlinear Optical Properties of Organic Molecules and Crystals V1 by : D.S. Chemla
Download or read book Nonlinear Optical Properties of Organic Molecules and Crystals V1 written by D.S. Chemla and published by Elsevier. This book was released on 2012-12-02 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Optical Properties of Organic Molecules and Crystals, Volume 1 discusses the nonlinear optical effects in organic molecules and crystals, providing a classical distinction between quadratic and cubic processes. This book begins with a general overview of the basic properties of organic matter, followed by a review on the benefits derived from quantum-chemistry-based models and growth and characterization of high quality, bulk organic crystals and waveguided structures. A case study focusing on a specific material, namely urea, which exemplifies a situation in which transparency in the UV region has been purposely traded for nonlinear efficiency is also deliberated. This text concludes with a description of a type of trade-off between the unpredictable orientation of molecules in crystalline media, polarity of liquid-crystalline structures, and dominant electronic contribution to the electro-optic effect. This publication is beneficial to solid-state physicists and chemists concerned with nonlinear optical properties of organic molecules and crystals.
Book Synopsis Nonlinear Optical Properties of Some Organic Molecules by : J. Christopher Cassidy
Download or read book Nonlinear Optical Properties of Some Organic Molecules written by J. Christopher Cassidy and published by . This book was released on 1979 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organic Materials for Non-linear Optics by : R. A. Hann
Download or read book Organic Materials for Non-linear Optics written by R. A. Hann and published by CRC Press. This book was released on 1989 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication represents the proceedings of the Conference on Organic Materials for Non-Linear Optics, held in Oxford in June 1988. It was a truly international conference attended by over 160 delegates from academia, industry and government research establishments, who represented a wide range of scientific disciplines and included organic and organometallic chemists, theorists and experimental physicists and device engineers.
Book Synopsis Proceedings of [the] First International Workshop on Optical Power Limiting by : Francois Kajzar
Download or read book Proceedings of [the] First International Workshop on Optical Power Limiting written by Francois Kajzar and published by CRC Press. This book was released on 1999 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organic Nonlinear Optical Materials by : Ch. Bosshard
Download or read book Organic Nonlinear Optical Materials written by Ch. Bosshard and published by CRC Press. This book was released on 2020-04-23 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Nonlinear Optical Properties of Organic Molecules and Crystals by : D. S. Chemla
Download or read book Nonlinear Optical Properties of Organic Molecules and Crystals written by D. S. Chemla and published by . This book was released on 1987 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Optical Properties of Organic Molecules and Crystals V2 ...
Book Synopsis Origin of the Highly Efficient Third-order Optical Response in Small Organic Molecules by : Joshua C. May
Download or read book Origin of the Highly Efficient Third-order Optical Response in Small Organic Molecules written by Joshua C. May and published by . This book was released on 2007 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: The search for materials with high optical nonlinearity has driven decades of research, with little success in developing materials that are suitable for third-order nonlinear optical applications that utilize the intensity-dependent refractive index or intensity-dependent absorption, for example. Organic materials, with their highly delocalized electron systems that lead to large nonlinearities and fast (10-15 s) optical response times and the relative ease at which their molecular properties can be tailored (allowing certain molecular properties to be isolated and optimized through molecular structure variations), are ideal candidates for the next generation of nonlinear optical materials. These materials have led to the largest molecular nonlinearities measured, but still remained several orders of magnitude below their theoretical limits. Our aim in this work is to approach the absolute limit, but also to keep the molecular size small. This research direction should lead to a dense packing of molecules with high nonlinearity in the solid state, which will then lead to the large bulk nonlinearities necessary for all-optical applications. With donor-substituted cyanoethynylethene molecules, we have measured off-resonant nonlinearities within a factor of 50 of their theoretical limits and predict that solid-state devices made from these materials can be up to an order of magnitude larger than other materials made from organic molecules. By measuring a large number of molecules with different structural variations, we have isolated the electron donor and acceptor structures as necessities for large third-order nonlinearities in small molecules. Our best molecule has a molecular third-order polarizability per mass of g & d5; rot = 6.5 x 10-23 m5V-2Kg-1, the highest value measured to date. We have also measured our molecules on resonance, which leads to measurements of the two-photon absorption cross-section sigma TPA. These measurements give a value of 9 x 10 -48 cm4s/photon for our best molecule, which is an order of magnitude larger than a chromophore optimized for two-photon absorption. Because of the record high results measured in these molecules, along with their ability to be vapor deposited into integrated devices, we suggest that this family of molecules may be the predecessors to the next generation of applied third-order nonlinear optical materials.
Book Synopsis Characterization Techniques and Tabulations for Organic Nonlinear Optical Materials by : Mark G. Kuzyk
Download or read book Characterization Techniques and Tabulations for Organic Nonlinear Optical Materials written by Mark G. Kuzyk and published by CRC Press. This book was released on 2018-05-11 with total page 911 pages. Available in PDF, EPUB and Kindle. Book excerpt: ""Furnishes table of nonlinear optical properties of organic substances as well as experimental procedures for measuring the nonlinearity of the elements tabulated, including composite materials-offering support for scientists and engineers involved in characterizing, optimizing, and producing materials for manufacturing optical devices.
Book Synopsis Introduction to Organic Electronic and Optoelectronic Materials and Devices by : Sam-Shajing Sun
Download or read book Introduction to Organic Electronic and Optoelectronic Materials and Devices written by Sam-Shajing Sun and published by CRC Press. This book was released on 2016-10-03 with total page 1394 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the combined subjects of organic electronic and optoelectronic materials/devices. It is designed for classroom instruction at the senior college level. Highlighting emerging organic and polymeric optoelectronic materials and devices, it presents the fundamentals, principle mechanisms, representative examples, and key data.
Book Synopsis Organic Molecular Solids by : William Jones
Download or read book Organic Molecular Solids written by William Jones and published by CRC Press. This book was released on 2019-09-17 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in organic molecular solids extends to a range of fields including chemistry, physics, electrical engineering, and materials science. In chemistry, it applies to such topics as solid state reactivity, crystal engineering, theoretical approaches to crystal structure determination, and morphology control. In physics, electrical engineering, and materials science, the possibility of producing organic-based materials (such as crystals, polymers, thin films, or liquid crystals) with potential electronic, opto-electronic, and magnetic uses is a major area of current research interest throughout the world. Organic Molecular Solids examines the uses of organic-based materials over a wide range of applications and interests. Each chapter surveys a relevant topic, providing appropriate introductory background information and modern developments.
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