Photosensitive Liquid Crystals Next Generation Materials For Dynamic Holography And Electro Optics

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Photosensitive Liquid Crystals: Next Generation Materials for Dynamic Holography and Electro-Optics

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Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (946 download)

Book Synopsis Photosensitive Liquid Crystals: Next Generation Materials for Dynamic Holography and Electro-Optics by :

Download or read book Photosensitive Liquid Crystals: Next Generation Materials for Dynamic Holography and Electro-Optics written by and published by . This book was released on 2000 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report developed under SBIR contract for topic AF99-162. The objective of this work was to prove the feasibility of highly nonlinear, photosensitive, Liquid Crystalline (LC) materials that a) possess photosensitivity comparable to that of photoconductive semiconductors used in LC spatial light modulator, and b) allow extremely strong modulation of the refractive index (modulation of birefringence). Such unique combination of photosensitivity and large optically induced index modulation property of LC would make these materials the prime candidate for a new generation of high performance dynamic holography devices, optical limiters, spatial light modulators (SLM) and other signal/image processing and optically or electronically tunable diffractive devices. These materials will trigger new markets due to drastically reduced cost for intelligent optical systems. The goals of the project were achieved by 1) developing NLC-systems with enhanced optical nonlinearity in blue/green, red and infrared region of wavelengths; 2) study into the mechanisms of photoexcitation-induced enhancement of optical nonlinearity; and successful demonstrations of 3) new principles of spatial light modulation; 4) wave transformation with efficiency over 90%; 5) image conversion between incoherent beams with the aid of NLC; and 6) optical limiting with dynamic range greater 3000.

Photoalignment of Liquid Crystalline Materials

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Author : Vladimir G. Chigrinov
Publisher : John Wiley & Sons
ISBN 13 : 0470751797
Total Pages : 248 pages
Book Rating : 4.4/5 (77 download)

Book Synopsis Photoalignment of Liquid Crystalline Materials by : Vladimir G. Chigrinov

Download or read book Photoalignment of Liquid Crystalline Materials written by Vladimir G. Chigrinov and published by John Wiley & Sons. This book was released on 2008-09-15 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoalignment possesses significant advantages in comparison with the usual ‘rubbing’ treatment of the substrates of liquid crystal display (LCD) cells as it is a non-contact method with a high resolution. A new technique recently pioneered by the authors of this book, namely the photo-induced diffusion reorientation of azodyes, does not involve any photochemical or structural transformations of the molecules. This results in photoaligning films which are robust and possess good aligning properties making them particularly suitable for the new generation of liquid crystal devices. Photoalignment of Liquid Crystalline Materials covers state-of-the-art techniques and key applications, as well as the authors’ own diffusion model for photoalignment. The book aims to stimulate new research and development in the field of liquid crystalline photoalignment and in so doing, enable the technology to be used in large scale LCD production. Key features: Provides a full examination of the mechanisms of photoalignment. Examines the properties of liquid crystals during photoalignment, with particular reference made to the effect on their chemical structure and stability. Considers the most useful photosensitive materials and preparation procedures suitable for liquid crystalline photoalignment. Presents several methods for photoalignment of liquid crystals. Compares various applications of photoalignment technology for in-cell patterned polarizers and phase retarders, transflective and micro displays, security and other liquid crystal devices. Through its interdisciplinary approach, this book is aimed at a wide range of practising electrical engineers, optical engineers, display technologists, materials scientists, physicists and chemists working on the development of liquid crystal devices. It will also appeal to researchers and graduate students taking courses on liquid crystals or display technologies. The Society for Information Display (SID) is an international society, which has the aim of encouraging the development of all aspects of the field of information display. Complementary to the aims of the society, the Wiley-SID series is intended to explain the latest developments in information display technology at a professional level. The broad scope of the series addresses all facets of information displays from technical aspects through systems and prototypes to standards and ergonomics

New Developments in Liquid Crystals and Applications

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Author : P. K. Choudhury
Publisher : Nova Science Publishers
ISBN 13 : 9781626186774
Total Pages : 0 pages
Book Rating : 4.1/5 (867 download)

Book Synopsis New Developments in Liquid Crystals and Applications by : P. K. Choudhury

Download or read book New Developments in Liquid Crystals and Applications written by P. K. Choudhury and published by Nova Science Publishers. This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many fascinating applications of liquid crystals -- a material that possesses behaviour in between the crystalline solid and the liquid phases -- have been reported by the RandD workers. These materials exhibit amazing features that make them indispensable for versatile usage. Liquid crystal based flat display panels are now found in mass volume in use as television and computer monitors. Apart from this, liquid crystals can be used in sensing and communication systems. The aim of this book is three-fold: (i) to make the expert researchers aware of the advancements in several areas of liquid crystal technology, (ii) to fuel the novice researchers interest through varieties of research directions, and (iii) to give a glimpse of the merged ideas to multi-disciplinary researchers for conceptual development of novel devices. Starting from the introduction of liquid crystals, this book covers topics ranging from nanoparticle synthesis to their varieties and physical and chemical properties along with their possible optics and electronics oriented applications. These include chemical bonding in liquid crystals, the use of liquid crystals in nanoparticle synthesis, the effects of liquid crystals on the thermal isomerisation of azoderivatives, sensing organosulphur compounds by liquid crystal supported chemically functionalised surfaces, electro-optic behaviour of liquid crystals and their applications in dynamic holographic correctors, optics of chiral liquid crystals, electromagnetic behaviour of liquid crystal based optical fibres and applications in 3D electronic displays. These topics are presented in nine chapters written by expert scientists in their respective areas of research in liquid crystals. Some of the chapters are devoted to the physics and chemistry of liquid crystals, and some touch upon their interesting applications. It is expected that the book will be of immense use for novice, expert and multi-disciplinary researchers in universities and research institutions.

Electrooptic Effects in Liquid Crystal Materials

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Author : L.M. Blinov
Publisher : Springer Science & Business Media
ISBN 13 : 1461226929
Total Pages : 477 pages
Book Rating : 4.4/5 (612 download)

Book Synopsis Electrooptic Effects in Liquid Crystal Materials by : L.M. Blinov

Download or read book Electrooptic Effects in Liquid Crystal Materials written by L.M. Blinov and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrooptic effects provide the basis for much liquid-crystal display technology. This book, by two of the leaders in liquid-crystal research in Russia, presents a complete and accessible treatment of virtually all known phenomena occurring in liquid crystals under the influence of electric fields.

Optics And Nonlinear Optics Of Liquid Crystals

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Author : Iam-choon Khoo
Publisher : World Scientific
ISBN 13 : 9814505676
Total Pages : 440 pages
Book Rating : 4.8/5 (145 download)

Book Synopsis Optics And Nonlinear Optics Of Liquid Crystals by : Iam-choon Khoo

Download or read book Optics And Nonlinear Optics Of Liquid Crystals written by Iam-choon Khoo and published by World Scientific. This book was released on 1993-04-28 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Optical Applications of Liquid Crystals

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Author : L Vicari
Publisher : CRC Press
ISBN 13 : 1000687473
Total Pages : 387 pages
Book Rating : 4.0/5 (6 download)

Book Synopsis Optical Applications of Liquid Crystals by : L Vicari

Download or read book Optical Applications of Liquid Crystals written by L Vicari and published by CRC Press. This book was released on 2016-04-19 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there has been increasing activity in the research and design of optical systems based on liquid crystal (LC) science. Bringing together contributions from leading figures in industry and academia, Optical Applications of Liquid Crystals covers the range of existing applications as well as those in development. Unique in its thorou

Selected Papers on Liquid Crystals for Optics

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Author : Stephen D. Jacobs
Publisher :
ISBN 13 :
Total Pages : 736 pages
Book Rating : 4.E/5 ( download)

Book Synopsis Selected Papers on Liquid Crystals for Optics by : Stephen D. Jacobs

Download or read book Selected Papers on Liquid Crystals for Optics written by Stephen D. Jacobs and published by . This book was released on 1992 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Liquid Crystals Materials and Devices: Volume 559

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Author : Timothy J. Bunning
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Liquid Crystals Materials and Devices: Volume 559 by : Timothy J. Bunning

Download or read book Liquid Crystals Materials and Devices: Volume 559 written by Timothy J. Bunning and published by . This book was released on 1999-08-11 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystal (LC) materials and devices play a central role in numerous established and emerging technologies. This book focuses on several large areas of research including polymer-dispersed liquid crystal technology and twisted smectic materials and applications, as well as nontraditional LC materials and applications. Various aspects of liquid crystal composite technology are featured. Of note is the work concentrating on the use of holography to imprint information into thin films of these systems. Three different approaches for employing holography with liquid crystal materials are discussed. In the ferroelectric liquid crystal arena, the intricacies of different chiral smectic-C architectures are described using detailed X-ray structural experiments on freestanding films. The differences between a molecule and a phase are explored. A number of nondisplay applications using this class of materials are presented and include topics such as adaptive optics, real-time holography and fiber-to-fiber interconnects. Also discussed are glass-forming liquid crystalline films and their ability to polarize photoluminescent emission, their utility in the fabrication of mid-wavelength infrared polarizers, and their utility in the fabrication of bistable electro-optical elements and broadband reflectors.

Liquid Crystals and Spatial Light Modulator Materials

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Author : William A. Penn
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Liquid Crystals and Spatial Light Modulator Materials by : William A. Penn

Download or read book Liquid Crystals and Spatial Light Modulator Materials written by William A. Penn and published by SPIE-International Society for Optical Engineering. This book was released on 1986 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unconventional Liquid Crystals and Their Applications

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Author : Wei Lee
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110584379
Total Pages : 581 pages
Book Rating : 4.1/5 (15 download)

Book Synopsis Unconventional Liquid Crystals and Their Applications by : Wei Lee

Download or read book Unconventional Liquid Crystals and Their Applications written by Wei Lee and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-07-19 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work focuses on recent developments of the rapidly evolving field of Non-conventional Liquid Crystals. After a concise introduction it discusses the most promising research such as biosensing, elastomers, polymer films , photoresponsive properties and energy harvesting. Besides future applications it discusses as well potential frontiers in LC science and technology.

Optics of Liquid Crystal Displays

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Author : Pochi Yeh
Publisher : John Wiley & Sons
ISBN 13 : 0470181761
Total Pages : 787 pages
Book Rating : 4.4/5 (71 download)

Book Synopsis Optics of Liquid Crystal Displays by : Pochi Yeh

Download or read book Optics of Liquid Crystal Displays written by Pochi Yeh and published by John Wiley & Sons. This book was released on 2009-11-02 with total page 787 pages. Available in PDF, EPUB and Kindle. Book excerpt: NOW UPDATED—THE HIGHLY PRACTICAL GUIDE TO ANALYZING LIQUID CRYSTAL DISPLAYS The subject of liquid crystal displays has vigorously evolved into an exciting interdisciplinary field of research and development, involving optics, materials, and electronics. Updated to reflect recent advances, the Second Edition of Optics of Liquid Crystal Displays now offers a broader, more comprehensive discussion on the fundamentals of display systems and teaches readers how to analyze and design new components and subsystems for LCDs. New features of this edition include: Discussion of the dynamics of molecular reorientation Expanded information of the method of Poincaré sphere in various optical components, including achromatic wave plates and compensators Neutral and negative Biaxial thin films for compensators Circular polarizers and anti-reflection coatings The introduction of wide field-of-view wave plates and filters Comprehensive coverage of VA-LCD and IPS-LCD Additional numerical examples This updated edition is intended as a textbook for students in electrical engineering and applied physics, as well as a reference book for engineers and scientists working in the area of research and development of display technologies.

Liquid Crystal - Applications And Uses (Volume 1)

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Author : Birendra Bahadur
Publisher : World Scientific
ISBN 13 : 9814507091
Total Pages : 606 pages
Book Rating : 4.8/5 (145 download)

Book Synopsis Liquid Crystal - Applications And Uses (Volume 1) by : Birendra Bahadur

Download or read book Liquid Crystal - Applications And Uses (Volume 1) written by Birendra Bahadur and published by World Scientific. This book was released on 1990-09-15 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews comprehensively the technological, scientific, artistic and medical applications of liquid crystals. It starts with the basics of liquid crystals and covers electro-optical, thermo-optical, colour, polymeric, lyotropic, and scientific applications of liquid crystalline materials. It discusses the fabrication and operational principles of a full range of liquid crystal displays including dynamic scattering, twisted nematic, supertwisted nematic, dichroic, smectic A, ferroelectric, polymer dispersed, light valve, active matrix, etc., in detail. It also covers the emerging applications of liquid crystals such as optical computing, nonlinear optics, decorative and visual arts. The detailed chapters on classification, theory, chemical structure, physical properties and surface alignment of liquid crystals facilitate the basic understanding of the science behind LCDs and other uses of liquid crystals. The chapters on liquid crystal polymers and lyotropic liquid crystals, give deep insight into these areas. The potential uses and applications are also described in detail.

Liquid Crystal - Applications and Uses

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Author : Birenda Bahadur
Publisher : World Scientific
ISBN 13 : 9789810229528
Total Pages : 434 pages
Book Rating : 4.2/5 (295 download)

Book Synopsis Liquid Crystal - Applications and Uses by : Birenda Bahadur

Download or read book Liquid Crystal - Applications and Uses written by Birenda Bahadur and published by World Scientific. This book was released on 1992-12-01 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews comprehensively the technological, scientific, artistic and medical applications of liquid crystals. It starts with the basics of liquid crystals and covers electro-optical, thermo-optical, colour, polymeric, lyotropic, and scientific applications of liquid crystalline materials. It discusses the fabrication and operational principles of a full range of liquid crystal displays including dynamic scattering, twisted nematic, supertwisted nematic, dichroic, smectic A, ferroelectric, polymer dispersed, light valve, active matrix, etc., in detail. It also covers the emerging applications of liquid crystals such as optical computing, nonlinear optics, decorative and visual arts. The detailed chapters on classification, theory, chemical structure, physical properties and surface alignment of liquid crystals facilitate the basic understanding of the science behind LCDs and other uses of liquid crystals. The chapters on liquid crystal polymers and lyotropic liquid crystals, give deep insight into these areas. The potential uses and applications are also described in detail.

Holography, Diffractive Optics, and Applications

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Author : Dahsiung Hsu
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 : 9780819447135
Total Pages : 406 pages
Book Rating : 4.4/5 (471 download)

Book Synopsis Holography, Diffractive Optics, and Applications by : Dahsiung Hsu

Download or read book Holography, Diffractive Optics, and Applications written by Dahsiung Hsu and published by SPIE-International Society for Optical Engineering. This book was released on 2002 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photorefractivity and Nonlinear Electro-Optical Wave Mixings in Liquid Crystals

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Author :
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Photorefractivity and Nonlinear Electro-Optical Wave Mixings in Liquid Crystals by :

Download or read book Photorefractivity and Nonlinear Electro-Optical Wave Mixings in Liquid Crystals written by and published by . This book was released on 1999 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research program was aimed at gaining a complete fundamental understanding of recently discovered nonlinear electro-optical effects in liquid crystalline systems, and exploring their applications in holographic storage, optical wave-mixing and phase conjugation beam/image processing and modulation devices. In particular, the mechanisms and dynamics of photo-charge generation, space charge fields and the resultant refractive index change and holographic grating formation in dye- and fullerene doped-nematic liquid crystal have been quantitatively investigated. This work has established such liquid crystalline materials as among the most sensitive nonlinear optical materials for performing holographic storage, wave-mixing, beam and imaging processing, and switching processes. Basic understanding of the photophysics, electro-dynamics and electro-optical properties of these liquid crystalline material systems will be important for related fields such as electro-optical flat panelled displays and imaging processing, and new material development. Investigation was made of nonlinear fiber arrays made by filling capillary arrays with liquid crystals in their isotropic phase, and demonstrated highly efficient optical image/beam switching and intensity/power controlling processes.

Conference on Lasers and Electro-optics Europe

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Author :
Publisher :
ISBN 13 :
Total Pages : 816 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Conference on Lasers and Electro-optics Europe by :

Download or read book Conference on Lasers and Electro-optics Europe written by and published by . This book was released on 2003 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introduction to Liquid Crystals for Optical Design and Engineering

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Author : Sergio R. Restaino
Publisher :
ISBN 13 : 9781628416619
Total Pages : 119 pages
Book Rating : 4.4/5 (166 download)

Book Synopsis Introduction to Liquid Crystals for Optical Design and Engineering by : Sergio R. Restaino

Download or read book Introduction to Liquid Crystals for Optical Design and Engineering written by Sergio R. Restaino and published by . This book was released on 2015 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: