Liquid Crystal Light Modulators: Revised Edition PDF Download
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Author: Leszek R. Jaroszewicz
Publisher: Bentham Science Publishers
ISBN: 9811470200
Category : Technology & Engineering
Languages : en
Pages : 159
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Book Description
This brief monograph provides reports on liquid crystal materials used for specific devices designed for industrial applications. The authors of each chapter present insights on the design and technical aspects of the manufacturing of advanced liquid crystal light modulators reflecting their experience in advanced liquid crystal materials science. Chapters in the book first introduce readers to the chemistry and basic materials science of liquid crystal light modulators with information important for practical situations such as custom manufacturing and material quality assessment (including the determination of Frank elastic constants). Subsequent chapters cover a selection of interesting projects where liquid crystal light modulators are applied, such as: a highly transparent, laser damage resistant liquid crystal phase modulators for space-borne laser rangefinders; a dynamic optical filter designed for visualization of air pollution; a high contrast, fast operating, outdoor light shutter for the eye protection of welders. Readers will gain an awareness of the peculiarities of the liquid crystalline matter, along with the complexity of the design and fabrication of active optical elements, as the information provided in this volume presents detailed practical results of the liquid crystal technology projects.
Author: Leszek R. Jaroszewicz
Publisher: Bentham Science Publishers
ISBN: 9811470200
Category : Technology & Engineering
Languages : en
Pages : 159
Get Book Here
Book Description
This brief monograph provides reports on liquid crystal materials used for specific devices designed for industrial applications. The authors of each chapter present insights on the design and technical aspects of the manufacturing of advanced liquid crystal light modulators reflecting their experience in advanced liquid crystal materials science. Chapters in the book first introduce readers to the chemistry and basic materials science of liquid crystal light modulators with information important for practical situations such as custom manufacturing and material quality assessment (including the determination of Frank elastic constants). Subsequent chapters cover a selection of interesting projects where liquid crystal light modulators are applied, such as: a highly transparent, laser damage resistant liquid crystal phase modulators for space-borne laser rangefinders; a dynamic optical filter designed for visualization of air pollution; a high contrast, fast operating, outdoor light shutter for the eye protection of welders. Readers will gain an awareness of the peculiarities of the liquid crystalline matter, along with the complexity of the design and fabrication of active optical elements, as the information provided in this volume presents detailed practical results of the liquid crystal technology projects.
Author: Uzi Efron
Publisher: CRC Press
ISBN: 9780824791087
Category : Technology & Engineering
Languages : en
Pages : 688
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Book Description
This work offers comprehensive coverage of all aspects of spatial light modulators, from the various optical materials used for modulation, through the availability and characteristics of specific devices, to the main applications of SLMs and related systems. The gamut of SLMs is surveyed, including multiple-quantum-well, acousto-optical, magneto-optical, deformable-membrane, ferroelectric-liquid-crystal and smart-pixel modulators.
Author: Andrés Márquez
Publisher: MDPI
ISBN: 303921828X
Category : Science
Languages : en
Pages : 172
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Book Description
Liquid Crystal on Silicon (LCoS) has become one of the most widespread technologies for spatial light modulation in optics and photonics applications. These reflective microdisplays are composed of a high-performance silicon complementary metal oxide semiconductor (CMOS) backplane, which controls the light-modulating properties of the liquid crystal layer. State-of-the-art LCoS microdisplays may exhibit a very small pixel pitch (below 4 μm), a very large number of pixels (resolutions larger than 4K), and high fill factors (larger than 90%). They modulate illumination sources covering the UV, visible, and far IR. LCoS are used not only as displays but also as polarization, amplitude, and phase-only spatial light modulators, where they achieve full phase modulation. Due to their excellent modulating properties and high degree of flexibility, they are found in all sorts of spatial light modulation applications, such as in LCOS-based display systems for augmented and virtual reality, true holographic displays, digital holography, diffractive optical elements, superresolution optical systems, beam-steering devices, holographic optical traps, and quantum optical computing. In order to fulfil the requirements in this extensive range of applications, specific models and characterization techniques are proposed. These devices may exhibit a number of degradation effects such as interpixel cross-talk and fringing field, and time flicker, which may also depend on the analog or digital backplane of the corresponding LCoS device. The use of appropriate characterization and compensation techniques is then necessary.
Author: Sergio R. Restaino
Publisher: SPIE-International Society for Optical Engineering
ISBN: 9781628418071
Category : Liquid crystal devices
Languages : en
Pages : 130
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Book Description
Devices based on liquid crystals have become the mainstay of display technology used in mobile devices, vehicles, computer systems, and almost any other opportunity for information display imaginable. The aim of this book is to provide the optics community a liquid crystals primer that focuses on the optical components made from these fascinating materials. The book provides a functional overview of liquid crystal devices, their history, and their applications so that readers are prepared for more advanced texts and can continue to grow their abilities in this field. While it is not meant to be a complete mathematical treatise on the basics and applications of liquid crystals, the book does fill in some of the technical gaps, in particular in the area of adaptive optics applications.
Author: Theo Rasing
Publisher: Springer Science & Business Media
ISBN: 3662101572
Category : Technology & Engineering
Languages : en
Pages : 301
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Book Description
This book describes the state of the art of our understanding of liquid-crystal interfaces on a molecular level. The interactions of liquid crystal molecules with a surface play an essential role in the operation of liquid crystal displays (LCD's) and other LC devices that are based on the controllable anchoring of LC molecules on polymer coated surfaces. This book addresses the microscopic interaction between a macromolecule (liquid crystal, polymer) and a wall, using state of the art surface and interface-sensitive experimental techniques, such as Atomic Force Microscopy (AFM), Scanning Tunneling Microscopy (STM), Linear and Nonlinear Optical Microscopy and (Dynamic) Light Scattering (DLS). These experimental techniques were complemented with computer simulations and supra molecular chemistry methods to develop controllable polymeric surfaces.
Author: Birenda Bahadur
Publisher: World Scientific
ISBN: 9789810229528
Category : Science
Languages : en
Pages : 434
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Book Description
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.
Author: Iam-Choon Khoo
Publisher: World Scientific
ISBN: 9789810209346
Category : Science
Languages : en
Pages : 442
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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: Vladimir G. Chigrinov
Publisher: Artech House Publishers
ISBN:
Category : Science
Languages : en
Pages : 384
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Book Description
Select more accurate liquid crystal (LC) mixtures for various applications and design better performing liquid crystal devices (LCD)s in less time with this practical resource that provides an expert account of the fundamental physics of LCs and its practical application to device design. Liquid Crystal Devices: Physics and Applications provides engineers, physicists, and device designers with the most up-to-date descriptions of the dielectric, optical, and viscoelastic properties of LCs, including their relation to molecular structure, mixture content, and material characteristics
Author: Wolfgang Osten
Publisher: John Wiley & Sons
ISBN: 3527648461
Category : Science
Languages : en
Pages : 471
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Book Description
A comprehensive review of the state of the art and advances in the field, while also outlining the future potential and development trends of optical imaging and optical metrology, an area of fast growth with numerous applications in nanotechnology and nanophysics. Written by the world's leading experts in the field, it fills the gap in the current literature by bridging the fields of optical imaging and metrology, and is the only up-to-date resource in terms of fundamental knowledge, basic concepts, methodologies, applications, and development trends.
Author: Albert Schenning
Publisher: CRC Press
ISBN: 1498729746
Category : Science
Languages : en
Pages : 179
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Book Description
Liquid Crystal Sensors discusses novel applications of liquid crystals that lie beyond electrically driven optical switches and displays. The main focus is on recent progress in the area of sensors based on low molar mass and polymer liquid crystals. This area of research became "hot" in recent years since the possibilities for applications of liquid crystal sensors are growing in many areas, ranging from the detection of mechanical displacements to the detection of environmental pollutants and chemical agents. This book is well-suited for students, as well as scientists from different backgrounds. For students and researchers new to the field, it gives a thorough introduction. For experienced researchers it shows the latest breakthroughs and serves as an inspiration for solving problems or sparking new ideas. Key Features: Emphasizes how liquid crystals are extremely sensitive to external stimuli and therefore can be used for the construction of stimuli-responsive devices, such as sensors Includes the contributions of editors who are deeply involved in the field and author chapters on hot topics such as the sensitivity of liquid crystals to pollutants, UV light, and strain Provides an exclusive on LC sensors where having the data in one place will be very useful to the community Gives more information on sensors and broadens the scope by having a contributed volume rather than authored Combines recent data on advances in the area of liquid crystal sensors that includes many types of liquid crystal materials
