The Orientational Optical Nonlinearity of Liquid Crystals PDF Download
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Author: N. V. Tabiryan
Publisher: CRC Press
ISBN: 9782881241475
Category : Science
Languages : en
Pages : 152
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Book Description
Author: N. V. Tabiryan
Publisher: CRC Press
ISBN: 9782881241475
Category : Science
Languages : en
Pages : 152
Get Book Here
Book Description
Author: Iam-Choon Khoo
Publisher: John Wiley & Sons
ISBN: 1119705827
Category : Technology & Engineering
Languages : en
Pages : 420
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Book Description
The latest edition of the leading resource on the properties and applications of liquid crystals In the newly revised Third Edition of Liquid Crystals, Professor Iam Choon Khoo delivers a comprehensive treatment of the fundamentals and applied aspects of optical physics, light scattering, electro-optics, and non-linear optics of liquid crystals. The book's opening chapters include coverage of the foundational physics and optical properties of liquid crystals and lead to more advanced content on the display, photonics and nonlinear optics applications of liquid crystals. New topics, including photonic crystals, metamaterials, ultrafast nonlinear optics, and fabrication methods for massive cholesteric and blue phase liquid crystals are discussed at length. Analytical methods and experimental observations of nonlinear light propagation through liquid crystalline and anisotropic materials and devices are also discussed. Liquid Crystals offers an insightful and unique treatment of the nonlinear optics of liquid crystals. New and expanded sections round out this new edition and add to the most up-to-date resource on this topic available today. The book also includes: A thorough introduction to liquid crystals, including their molecular structures, chemical compositions, order parameter, phase transition, and free energies Practical discussions of nematic, cholesteric, smectic, and ferroelectric liquid crystals, and explorations of linear and nonlinear light scattering in these phases. A detailed quantum mechanical treatment of the linear and nonlinear electronic optical response of liquid crystal molecules to optical fields. A self-contained discussion of the fundamentals of nonlinear optics/photonics and comprehensive review of all liquid crystalline materials-based nonlinear optical processes and applications. The latest edition of Liquid Crystals is an indispensable resource for graduate students, professors, research scientists and engineers in industrial or government laboratories. It's also an ideal reference for anyone seeking a one-stop textbook with complete coverage of the optical, electro-optical, and non-linear optical properties and processes of liquid crystals.
Author: Iam-choon Khoo
Publisher: World Scientific
ISBN: 9814505676
Category : Science
Languages : en
Pages : 440
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Book Description
This is a monograph/text devoted to a detailed treatment of the optical, electro-optical and nonlinear optical properties of all the mesophases of liquid crystals and related processes, phenomena and application principles. Quantitative data on material and optical parameters spanning the ultraviolet, visible, infrared as well as the microwave regimes are presented along with detailed theoretical treatments of basic liquid crystal physics, material properties and nonlinear optics.Starting with a discussion on the basic building blocks of liquid crystalline molecules, the authors proceed to present in a pedagogical manner current theories, experiments, and applications of these unique and important optical properties of liquid crystals. Numerous tables of hard-to-find liquid crystalline parameters, a self-contained chapter on general nonlinear optics, and comprehensive literature review are also included.
Author: Iam-Choon Khoo
Publisher: Wiley-Interscience
ISBN:
Category : Science
Languages : en
Pages : 328
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Book Description
Relatively new materials such as polymeric liquid crystals, polymer dispersed liquid crystals, dye-doped liquid crystals, and ferroelectric liquid crystals are explored in detail, as are light scatterings, including Raman, Brillouin, Rayleigh, and Rayleigh Wing scatterings.
Author: Francesco Simoni
Publisher: World Scientific
ISBN: 9789810217518
Category : Science
Languages : en
Pages : 282
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Book Description
This monograph is devoted to a detailed treatment of the nonlinear optical properties of liquid crystals. The basic concepts of director optical reorientation and thermal nonlinearities are presented showing the fundamental theoretical approaches and describing the main experimental observations. The presentation is self-consistent and tutorial although the subject matter is of current research interest.The last part of the book deals with more recent results on new composite materials: Polymer Dispersed Liquid Crystals (PDLC). A general presentation of the optical properties is given and the observations of several nonlinear optical effects are reported.
Author: Xiaowei Zhuang
Publisher:
ISBN:
Category :
Languages : en
Pages : 318
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Book Description
Author: Stephen Duane Durbin
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
Author: Gaetano Assanto
Publisher: John Wiley & Sons
ISBN: 1118414624
Category : Science
Languages : en
Pages : 449
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Book Description
The first book of its kind to introduce the fundamentals, basic features and models, potential applications and novel phenomena and its important applications in liquid crystal technology. Recognized leader in the field Gaetano Assanto outlines the peculiar characteristics of nematicons and the promise they have for the future growth of this captivating new field.
Author: Shuo Zhao
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
This dissertation research completes the exploration and development of the theoretical framework for collective liquid crystalline optical nonlinearities capable of response speeds in the microseconds -- nanoseconds scale, which is more than 1000 times faster than the conventional liquid crystal (LC) response speed. Also explored in this dissertation are utilizations of these new discoveries to achieve all-optical switching.This work demonstrates all-optical switching using nonlinear orientational and thermal effects, respectively, in pure and dye-doped twisted nematic liquid crystal (TNLC) cells set between crossed polarizers. In the former case, the flow of liquid crystal molecules is generated by Maxwell stress and thereby exerts a torque on the liquid crystal. The resulting reorientation changes the effective birefringence of the liquid crystal, affecting the overall transmission. In dye-doped twisted nematics, the absorption of dye enhances laser heating in the liquid crystal, which leads to reduction of the order parameter and the corresponding macroscopic birefringence, finally making the transmission drop to zero. Following the sequences of these processes, detailed modeling for collective responses of liquid crystal and the time evolution of transmissions under short laser pulses are presented. Besides theoretical description and modeling, we demonstrate the nonlinear optical switching experimentally. The switching threshold and time are consistent with the simulation results. While dye-doped liquid crystals have a low threshold for nonlinear switching, pure twisted nematics possess high transparency in the entire visible and near-infrared spectrum. These findings are believed to advance the current arsenal of high-performance materials for integration/use in advanced optical systems designed for sensor protection; laser hardening; and other beam/image switching, sensing, and processing operations.
Author: I. Jánossy
Publisher: Springer Science & Business Media
ISBN: 9401131805
Category : Science
Languages : en
Pages : 242
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Book Description
In 1988 physicists and chemists commemorated the centenary of the discovery of the first liquid crystals. Fora long period after this discovery, although many significant results were found, liquid crystal research remained a marginal topic of condensed matter physics. The situation changed in the sixties. At that time the remarkable electro-optical properties of liquid crystals were recognized and found soon widespread application in numeric displays. From a more fundamental point of view, the interest in disordered systems. increased in general at the same time. Liquid crystals represented an important dass of such systems. Among others, phase transitions, hydrodynamics and topological defects occurring in them attracted considerable attention. The connection between the liquid-crystalline state and the structure of biological membranes stimulated a Iot of works also. In the present volume we discuss a relatively new and rapidly developing branch of the fi. eld, namely nonlinear optical effects in liquid crystals. Optical studies have always played a signifi. cant role in liquid crystal science. Research of optical nonlinearities in liquid crystals began at the end of the sixties. Since then it became a powerful tool in the investigation of symmetry properties, interfacial phenomena or dynamic behaviour. Furthermore, several new aspects of nonlinear processes were demonstrated and studied extensively in liquid crystals. The subject covered in this book is therefore of importance both for liquid crystal research and for nonlinear optics itself. The term "nonlinear optics" is used here in a broad sense.
