Fundamentals of Optical Fibers, Second Edition offers readers a timely and consistent introduction to the fundamental principles of light propagation in fibers. In it, the author reviews, in depth, fundamental wave guiding concepts, the influence of various fiber structures and materials on light transmission, nonlinear light propagation effects occurring in fibers, and various measurement techniques. Since the chief application of optical fibers is in communication systems, throughout the book the focus is on topics, which pertain to that domain.
1.6 Million African American Quilters is a handy, eye-opening booklet about today's Black quilt makers: Latest quilt industry figures, including number of Black quilters nationally; most comprehensive resource of websites, blogs, and YouTube videos featuring African American quilters and guilds. Also included in the more than 270 references are selected textile artists, doll makers, fabric designers, and quilters from the African diaspora; six afro-centrically designed art quilt blocks by Washington, D.C. artist Francine Haskins; and bibliographic references, many annotated, for selected books, articles, exhibit catalogs, dissertations, papers, and films about Black quilters.