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Author: Seth C. Rasmussen Publisher: Springer Science & Business Media ISBN: 3642281834 Category : Technology & Engineering Languages : en Pages : 89
Book Description
Glass production is thought to date to ~2500 BC and had found numerous uses by the height of the Roman Empire. Yet the modern view of glass-based chemical apparatus (beakers, flasks, stills, etc.) was quite limited due to a lack of glass durability under rapid temperature changes and chemical attack. This “brief” gives an overview of the history and chemistry of glass technology from its origins in antiquity to its dramatic expansion in the 13th century, concluding with its impact on society in general, particularly its effect on chemical practices.
Author: Seth C. Rasmussen Publisher: Springer Science & Business Media ISBN: 3642281834 Category : Technology & Engineering Languages : en Pages : 89
Book Description
Glass production is thought to date to ~2500 BC and had found numerous uses by the height of the Roman Empire. Yet the modern view of glass-based chemical apparatus (beakers, flasks, stills, etc.) was quite limited due to a lack of glass durability under rapid temperature changes and chemical attack. This “brief” gives an overview of the history and chemistry of glass technology from its origins in antiquity to its dramatic expansion in the 13th century, concluding with its impact on society in general, particularly its effect on chemical practices.
Author: Helmut Kiess Publisher: Springer Science & Business Media ISBN: 3642467296 Category : Science Languages : en Pages : 320
Book Description
This book reviews the current understanding of electronic, optical and magnetic properties of conjugated polymers in both the semiconducting and metallic states. It introduces in particular novel phenomena and concepts in these quasi one-dimensional materials that differ from the well-established concepts valid for crystalline semiconductors. After a brief introductory chapter, the second chapter presents basic theore tical concepts and treats in detail the various models for n-conjugated polymers and the computational methods required to derive observable quantities. Specific spatially localized structures, often referred to as solitons, polarons and bipolarons, result naturally from the interaction between n-electrons and lattice displacements. For a semi-quantitative understanding of the various measure ments, electron-electron interactions have to be incorporated in the models; this in turn makes the calculations rather complicated. The third chapter is devoted to the electrical properties of these materials. The high metallic conductivity achieved by doping gave rise to the expression conducting polymers, which is often used for such materials even when they are in their semiconducting or insulating state. Although conductivity is one of the most important features, the reader will learn how difficult it is to draw definite conclusions about the nature of the charge carriers and the microscopic transport mechanism solely from electrical measurements. Optical properties are discussed in the fourth chapter.
Author: P.W. France Publisher: Springer Science & Business Media ISBN: 9401168652 Category : Science Languages : en Pages : 284
Book Description
One of the most exciting prospects for optical fibres made from fluoride glasses is the possibility of providing long distance optical communication systems without the need for repeaters. This objective has stimulated much of the work into fluoride glasses over the past ten years, and has prompted the writing of this book. It has also emerged that fluoride fibres can transmit both visible and infrared energy (from about 0.5 to 5 ,urn) and that they have many applications outside the field of telecommunications. These include optical fibre sensors (particularly in remote infrared spectroscopy), laser surgery and fibre lasers. Several companies are now established in the field, and good quality fluoride fibres are available from sources throughout the USA, Europe and Japan. Moreover, the first commercial instruments based on fluoride fibres are finding their way to the market place and these fibres will undoubtedly form the basis of many more instruments yet to be developed. The work presented in this book represents the field both from an academic understanding of the materials and ways to convert them into fibre, and from a practical and commercial viewpoint. The principal author and some of the co authors are based at the British Telecom Research Laboratories in the UK.
Author: Toshio Katsuyama Publisher: CRC Press ISBN: Category : Art Languages : en Pages : 256
Book Description
A practical and systematic guide, which gives the basic theory of light guiding and transmission loss mechanisms. Glassy and crystalline fibers and hollow waveguides are also addressed.
Author: Mohammed Saad Publisher: SPIE-International Society for Optical Engineering ISBN: Category : Technology & Engineering Languages : en Pages : 272
Book Description
This text brings together 29 papers presented at SPIE's Lasers and Materials in Industry symposium. They cover optical fibres and optical fibre materials.
Author: Mohammed Saad Publisher: SPIE-International Society for Optical Engineering ISBN: Category : Technology & Engineering Languages : en Pages : 216
Book Description
This work presents a selection of papers dealing with infra red optical fibres and their applications.
Author: Seth C. Rasmussen
Author: Seth C. Rasmussen
Author: Helmut Kiess
Author: P.W. France
Author: Toshio Katsuyama
Author: Mohammed Saad
Author: Mohammed Saad