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The triple themes of textile, text, and intertext, three powerful and evocative subjects within both Anglo-Saxon studies and Old English literature itself, run through the essays collected here. Chapters evoke the semantic complexities of textile references and images drawn from the Bayeux Tapestry, examine parallels in word-woven poetics, riddling texts, and interwoven homiletic and historical prose, and identify iconographical textures in medieval art. The volume thus considers the images and creative strategies of textiles, texts, and intertexts, generating a complex and fascinating view ofthe material culture and metaphorical landscape of the Anglo-Saxon peoples. It is therefore a particularly fitting tribute to Professor Gale R. Owen-Crocker, whose career and lengthy list of scholarly works have centred on her interests in the meaning and cultural importance of textiles, manuscripts and text, and intertextual relationships between text and textile.
Dr Maren Clegg Hyer is Associate Professor and Graduate Coordinator in the Department of English at Valdosta State University.; Jill Frederick is Professor of English at Minnesota State University Moorhead.
Contributors: Marilina Cesario, Elizabeth Coatsworth, Martin Foys, Jill Frederick, Joyce Hill, Maren Clegg Hyer, Catherine E. Karkov, Christina Lee, Michael Lewis, Robin Netherton, Carol Neuman de Vegvar, Donald Scragg, Louise Sylvester, Paul Szarmach, Elaine Treharne.
There is a growing need for optical fiber coatings that can sustain higher temperatures than present materials permit. To date, polyimides are used predominantly but they generally are difficult to process and usually require multiple depositions to achieve the desired film thickness. Perfluorocyclobutyl (PFCB) aryl ether polymers have demonstrated much success as processable and amorphous fluoropolymers,[1] with particular emphasis on high performance optical applications.[2] This work discusses recent efforts into perfluorocyclobutyl aryl ether polymer-based optical fiber coatings.[3] A series of silica-based optical fibers were drawn with differing PFCB polymer coatings compositions and molecular weights on a Heathway draw tower. Results include a more than doubled usage temperature of coating (decomposition temperatures (Td) in nitrogen and air were above 450 °C) without affecting fiber mechanical properties and comparable isothermal stability to conventional coatings, except with a >150 °C higher temperature. Preliminary results of the first successful coating of optical fibers by PFCB polymers will be presented herein, as well as future endeavors.
Several glass systems based on AIF3 have been synthesized and fabricated into preforms by controlled melting and rotational casting. High optical quality preforms have been drawn into fibers using a specially modified drawing facility. The drawing tower is enclosed with a vertical glove box in which the levels of both moisture and oxygen are kept below 1 ppm during the drawing. The AIF3 -based fibers have shown dramatically superior chemical durability relative to the ZrF4 -based glass fibers. Selected optical, mechanical and thermal properties of these fibers will be presented. AIF3 -based glass fibers offer interesting opportunities for short range applications in the 2–4 micron region of the infrared such as sensing, remote spectroscopy and laser power delivery.
2–chloro–4,6–bis(ethylamino)–s–triazine (simazine) is a highly selective herbicide. Corn (Zea mays) is very resistant to the toxic action of this compound while wheat, (Triticum spp) and oats (Avena spp) are susceptible.
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