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Relevant bibliographies by topics / Fibel

Academic literature on the topic 'Fibel'

Author: Grafiati

Published: 26 July 2024

Last updated: 27 July 2024

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Journal articles on the topic "Fibel"

1

Tröger, F. "Spanplatten-Fibel." Holz als Roh- und Werkstoff 54, no. 6 (November 1996): 368. http://dx.doi.org/10.1007/bf03036407.

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Sroka, Wendelin. "FIBELN UND FIBEL-FORSCHUNG IN EUROPA - EINE ANNÄHERUNG." Bildung und Erziehung 64, no. 1 (March 2011): 23–38. http://dx.doi.org/10.7788/bue.2011.64.1.23.

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Menke, Bettine. "Alphabetisierung. Kombinatorik und Kontingenz Jean Pauls Leben Fibels, des Verfassers der Bienrodischen Fibel." Zeitschrift für Medien- und Kulturforschung 1, no. 2 (2010): 43–60. http://dx.doi.org/10.28937/1000107501.

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Jean Paul's novel The Life of Fibel, Author of the Bienrodische Fibel places itself in a specifi c relation to literacy by identifying the alphabet and the spelling-book as a matrix of its own production. Thus, the text refers itself and its sense-effects back to the arbitrariness of its elements and their combinatorics. Moreover, at the margins of the book, it feigns to be abandoned to the contingency of its preliteral physis which is suppressed by sense, authority, authorship and control of the work.

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Mikonya, György. "Vergleich einer österreichischen und einer Fibel aus der „ehemaligen DDR“." Gyermeknevelés 4, no. 1 (February 5, 2016): 29–38. http://dx.doi.org/10.31074/gyntf.2016.1.29.38.

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Das erste Lesebuch, das Kinder in die Hand bekommen, kann in seiner Wirkung nicht hoch genug eingeschätzt werden. Das Weltbild junger Menschen wurde zu allen Zeiten beeinflusst durch prägende Bilder und Erlebnisse besonders aus der ersten Schulzeit. Die Freude am Lernen kann hier geweckt oder auch zerstört werden. In der vorliegenden Studie wird der Vergleich einer österreichischen und einer Fibel aus der ehemaligen DDR dargestellt. Die Reihenfolge der zu lernenden Buchstaben ist in Tabellenform zusammengestellt. Eine vergleichende inhaltliche Textanalyse ist mit passenden Bildern ergänzt. Als Schlussfolgerung kann man in der DDR Fibel den stark gezwungenen ideologischen Einfluss bemerken. Die nationalen Charaktereigenschaften sind in beiden Fibel zu finden aber im unterschiedlichen Kontext und Inhalt. Von der späteren Wirkung einer Fibel kann man feststellen, dass es überhaupt kein Wunder ist, dass Erinnerungen an die Schule, Namen der Klassenkameraden und Lehrer, gute und schlechte Erfahrungen oft durch Bilder aus den ersten Schulbüchern wach gehalten oder wieder hervorgerufen werden.

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Iarmulschi, Vasile. "Eine „Pommersche Fibel“ vermutlich aus Kamenez-Podolsk (Ukraine)." Cercetări Arheologice 30, no. 2 (November 1, 2023): 589–98. http://dx.doi.org/10.46535/ca.30.2.10.

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Im Herbst 2022 wurden auf einer Webseite von illegaler Sondengänger in der Ukraine einige Fotos einer Bronzefibel veröffentlicht, die vermutlich in Kamenez-Podolsk entdeckt wurde. Das Stück gehört dem II. Typ der sog. „Pommerschen Fibel“ nach H.-J. Eggers. Die Analogien für solche Stücke befinden sich fast ausnahmslos im nördlichen Mecklenburg, in Vorpommern und auf der Insel Rügen. Zwei „Pommersche Fibeln“ wurden auch im heutigen Rumänien gefunden. Chronologisch werden solche Funde in die Stufe LT C2 und LT D1 eingeordnet.

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Wunder, Gerd, and Carlheinz Gräter. "Rezension von: Gräter, Carlheinz, Mainfranken-Fibel." Württembergisch Franken 59 (April 24, 2024): 91. http://dx.doi.org/10.53458/wfr.v59i.11414.

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Heynowski, Ronald. "Schönheit und Wandel – Bemerkungen zu den Osterburger Fibeln." EAZ – Ethnographisch-Archaeologische Zeitschrift 54, no. 1/2 (January 1, 2013): 71–98. http://dx.doi.org/10.54799/hyoo7597.

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Die Osterburger Fibel ist eine spezielle Form der älteren vorrömischen Eisenzeit. Die besonderen Kennzeichen bestehen in einer festen Anbindung des Fibelfußes an den Bügel sowie in einer Spiralsehne, die um den Bügelansatz gewickelt ist. Die Fibel kommt im Mittelgebirgsraum und im Süden der Norddeutschen Tiefebene vor, wobei sich regionale Unterschiede abzeichnen. Chronologisch nimmt sie das 4. und 3. vorchristlichen Jahrhundert ein. In der älteren Forschung wird der Fibeltyp als retardierende Nachahmung der latènezeitlichen Vogelkopffi beln betrachtet. Der Seitenblick auf soziologische Untersuchungen macht deutlich, dass die Entwicklung von Schmuckformen einen komplexen gesellschaftlichen Vorgang voraussetzt, bei dem nicht die Kopie von Vorhandenem, sondern die Symbolik, Formfindung und Akzeptanz als sozialer Prozess im Mittelpunkt stehen.

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Menke, Bettine. "Alphabetisierung. Kombinatorik und Kontingenz Jean Pauls Leben Fibels, des Verfassers der Bienrodischen Fibel." Zeitschrift für Medien- und Kulturforschung 1, no. 2 (January 1, 2010): 44–61. http://dx.doi.org/10.28937/zmk-1-2_4.

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Lührs, K. "Fibel der Bierschädlinge. Von K.-F. Kretschmer und H. Kotrade." Mycoses 15, no. 3 (April 24, 2009): 143. http://dx.doi.org/10.1111/j.1439-0507.1972.tb01366.x.

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Classen, Albrecht. "Marialuisa Caparrini, A scuola di tedesco nel tardo medioevo. Edizione critica di due testi didattici del XV secolo (Ettwas von buochstaben e Augsburger Fibel – Hannover, Kestner Museum, E(rnst) n. 128). Bibliotheca Germanica. Studi e testi, 50. Alessandria: Edizioni dell’ Orso, 2022, IX, 134 S., 5 s/w Ill." Mediaevistik 35, no. 1 (January 1, 2022): 494–95. http://dx.doi.org/10.3726/med.2022.01.117.

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Abstract: Erst im 15. Jahrhundert wandelte sich das schulische Bewusstsein und machte sich die Erkenntnis breit, dass auch Deutsch als Volkssprache unterrichtet werden müsste. Dies spiegelt sich u.a. auch in einschlägigen Handbüchern, zwei von denen hier in einer kritischen Edition neu vorgestellt werden, Ettwas von buochstaben und die Augsburger Fibel. Lateinschulen wurden also zunehmend von Deutschschulen ersetzt, die vor allem dem städtischen Bürgertum (Kaufleute, Bankiers, Verwaltungsmenschen etc.) dienten.

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Dissertations / Theses on the topic "Fibel"

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Vielitz, Kathrin. "Die Granatscheibenfibeln der Merowingerzeit /." Montagnac : Ed. Mergoil, 2003. http://www.loc.gov/catdir/toc/fy0608/2004545491.html.

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Kahl, Heike, Frank Hinte, Tobias Braun, Frances Fischer, Matthias Labisch, Stefanie Lippitsch, and Ken Mertens. "SchülerInnen Fibel: Das Buch mit Wirkung #4." Deutsche Kinder- und Jugendstiftung GmbH, 2020. https://slub.qucosa.de/id/qucosa%3A75205.

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Die Schüler*innenfibel ist DAS Nachschlagewerk für sächsische Schülervertreter*innen. Es basiert auf jahrelangen Erfahrungen innerhalb der Schüler*innenmitwirkung und in der Programmarbeit von Mitwirkung mit Wirkung. Ihr erfahrt alles über die gesetzlichen Grundlagen von SV und wie ihr eure Interessen in den Gremien eurer Schule vertreten könnt. Praktische Tipps für euren SV-Alltag, die Organisation von Projekten und den Umgang mit Konflikten ergänzen die theoretischen Grundlagen und machen euch fit fürs Handeln und Mitmischen! Redaktionsschluss: 15.12.2020

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Striewe, Karin. "Studien zur Nauheimer Fibel und ähnlichen Formen der Spätlatènezeit /." Espelkamp : M. Leidorf, 1996. http://catalogue.bnf.fr/ark:/12148/cb392755527.

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Teistler, Gisela [Verfasser], and Heidemarie [Akademischer Betreuer] Kemnitz. "Schulbücher als bildungsgeschichtliche Quellen : das Beispiel der Fibel / Gisela Teistler ; Betreuer: Heidemarie Kemnitz." Braunschweig : Technische Universität Braunschweig, 2008. http://d-nb.info/1175820385/34.

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Jollivet, Clemence. "Specialty Fiber Lasers and Novel Fiber Devices." Doctoral diss., University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6295.

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At the Dawn of the 21st century, the field of specialty optical fibers experienced a scientific revolution with the introduction of the stack-and-draw technique, a multi-steps and advanced fiber fabrication method, which enabled the creation of well-controlled micro-structured designs. Since then, an extremely wide variety of finely tuned fiber structures have been demonstrated including novel materials and novel designs. As the complexity of the fiber design increased, highly-controlled fabrication processes became critical. To determine the ability of a novel fiber design to deliver light with properties tailored according to a specific application, several mode analysis techniques were reported, addressing the recurring needs for in-depth fiber characterization. The first part of this dissertation details a novel experiment that was demonstrated to achieve modal decomposition with extended capabilities, reaching beyond the limits set by the existing mode analysis techniques. As a result, individual transverse modes carrying between ~0.01% and ~30% of the total light were resolved with unmatched accuracy. Furthermore, this approach was employed to decompose the light guided in Large-Mode Area (LMA) fiber, Photonic Crystal Fiber (PCF) and Leakage Channel Fiber (LCF). The single-mode performances were evaluated and compared. As a result, the suitability of each specialty fiber design to be implemented for power-scaling applications of fiber laser systems was experimentally determined. The second part of this dissertation is dedicated to novel specialty fiber laser systems. First, challenges related to the monolithic integration of novel and complex specialty fiber designs in all-fiber systems were addressed. The poor design and size compatibility between specialty fibers and conventional fiber-based components limits their monolithic integration due to high coupling loss and unstable performances. Here, novel all-fiber Mode-Field Adapter (MFA) devices made of selected segments of Graded Index Multimode Fiber (GIMF) were implemented to mitigate the coupling losses between a LMA PCF and a conventional Single-Mode Fiber (SMF), presenting an initial 18-fold mode-field area mismatch. It was experimentally demonstrated that the overall transmission in the mode-matched fiber chain was increased by more than 11 dB (the MFA was a 250 ?m piece of 50 ?m core diameter GIMF). This approach was further employed to assemble monolithic fiber laser cavities combining an active LMA PCF and fiber Bragg gratings (FBG) in conventional SMF. It was demonstrated that intra-cavity mode-matching results in an efficient (60%) and narrow-linewidth (200 pm) laser emission at the FBG wavelength. In the last section of this dissertation, monolithic Multi-Core Fiber (MCF) laser cavities were reported for the first time. Compared to existing MCF lasers, renown for high-brightness beam delivery after selection of the in-phase supermode, the present new generation of 7-coupled-cores Yb-doped fiber laser uses the gain from several supermodes simultaneously. In order to uncover mode competition mechanisms during amplification and the complex dynamics of multi-supermode lasing, novel diagnostic approaches were demonstrated. After characterizing the laser behavior, the first observations of self-mode-locking in linear MCF laser cavities were discovered.
Ph.D.
Doctorate
Optics and Photonics
Optics and Photonics
Optics and Photonics

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Horvath, A. Elisabet. "The effects of cellulosic fiber charges on polyelectrolyte adsorption and fiber-fiber interactions." Doctoral thesis, Stockholm : Department of Fibre and Polymer Technology, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4158.

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7

Wern, Chien Wei. "Fiber and fiber-matrix interface effects on the orthogonal cutting of fiber reinforced plastics /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/7133.

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Ratu, Ricky Novry. "Development of polypropylene fiber as concrete reinforcing fiber." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/57779.

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The objective of this research is to produce polypropylene fibers with improved interface bonding with a concrete matrix. The Laboratory Mixing Extruder paired with the Randcastle fiberline drawing device was used for producing fiber from polypropylene (PP) chips. A target diameter of 0.5 mm fiber was obtained from a 2-stage process in the production line. The effort to improve the fiber surface by applying aluminum oxide sol-gel coating was unsatisfactory due to the failure of the coating materials to adhere to the fiber. Incorporating silica fume (SF) powder in the fiber extrusion process enhanced fiber properties. Silica fume co-extruded PP (SFPP) fiber has different characteristics in appearance, flexibility and surface roughness. Most importantly, the co-extrusions produced significance improvements in surface characteristics. Silica fume particles caused significant changes in the surface roughness of the fiber and contributed to the improved bonding performance in a cement-based matrix. The inclusion of the extruded fibers in a concrete matrix also improved the flexural toughness. Additional testing was conducted to examine the performance of extruded fiber in preventing plastic shrinkage cracking. Fiber reinforced mortar containing RPP and SFPP fibers were evaluated. Based on total crack area reduction efficiency, and crack width reduction efficiency SFPP fibers performed better than RPP fibers. These results indicate that the objective of developing a concrete reinforcing fiber using laboratory equipment was successfully achieved. The inclusion of silica fume particles in the extrusion process significantly changed the properties of the fiber and therefore contributed to the performance of these extruded fibers in the concrete matrix.
Applied Science, Faculty of
Civil Engineering, Department of
Graduate

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9

Fernberg, Patrik. "Fiber bridging concepts applied to short fiber composites." Licentiate thesis, Luleå tekniska universitet, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18743.

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Polymer composite materials are in wide-spread use in the transportation industry. In aerospace industry the use these materials are established while in automotive industry the interest is increasing. The attention of automotive industry is to a great deal focused on various kinds of molded composites such as glass mat reinforced thermoplastics (GMT) and sheet molding compound (SMC). Their interest is to a large extent driven by the possibility to manufacture components of complex geometry in a cost- efficient process with these materials. An increasing number of car and truck manufacturers are using SMC for external panels such as trunk covers, hoods, roofs and spoilers. A property of obvious importance for an external car- or truck-panel is its capacity to withstand impact. In this context, improved understanding of crack growth and toughening mechanisms of the material is of great interest. A major part of the work presented in this thesis is driven by an interest to increase the understanding of how material composition and microstructure of short fiber composites influence their overall fracture behaviour. In materials such as metals and unreinforced polymers, linear elastic fracture mechanics (LEFM) is widely used, often with great success, both in design and in development of new materials. Unfortunately, problems arise when LEFM is applied to short fiber composites. This is due to the large process zone that develops ahead of a crack in these materials. The fundamental assumption of LEFM, that the damage zone at the tip of the crack is small compared to crack length, is often violated in experiments. The presented thesis considers a different approach, in which the damage ahead of a crack tip is described by a bridging-law. By considering the bridging-law as the major failure property of the material, a coupling between mechanisms acting on a microscale and the macroscopic failure behaviour can be established. No such information can be obtained using a LEFM approach where the material behaviour is described in terms of a single value, the fracture toughness. Bridging-laws for three different short fiber composites are experimentally determined and presented in the first paper of the thesis. A matter of key importance for future work in this field is that there are methods available for experimental verification of the suggested fiber bridging approach. Optical strain field measurement methods are therefore very useful. The thesis contains a pilot study to evaluate the use of two recently developed optical methods , Stereoscopic Digital Speckle Photography (Stereo-DSP) and combined DSP-DSPI (Digital Speckle Pattern Interferometry), for measurements of fracture behaviour of notched short fiber composites. We found Stereo-DSP to be a versatile technique that can be used when knowledge of overall displacement fields is required. The combined technique can with advantage be used when detailed information about large deformation at small areas is of interest, e.g. the complex fiber bridging interaction at the crack tip of a short fiber composite. The last paper in the thesis presents a study where the influence of fiber surface treatment on transverse cracking in cross-ply laminates was investigated. In the case of tubes and pressure vessels, the formation of transverse cracks ultimately leads to leakage since cracks connect and form a path through the wall. In the presented study, our ambition was to investigate the influence of film former polymer on transverse cracking properties of cross-ply laminates.Both onset of transverse cracking and tendency for multiple crack development were strongly affected by the different film formers. The strong film former effect was proposed to be due to a combination of improved interfacial adhesion and the plasticizing effect from the film former on the interphase region. The thesis is composed by the following papers: Patrik Fernberg, Lars Berglund, Bridging law and toughness characterisation of CSM and SMC composite, to be submitted. Angelica Andersson, Patrik Fernberg, Mikael Sjödahl, Optical methods to study fracture of notched glass mat composites. Proceedings of the International Conference on trends in Optical Nondestructive Testing, Lugano, Switzerland, May 3-6, 2000 (in press). Patrik Fernberg, Lars Berglund, Effects of glass fiber size composition (film former type) on transverse cracking in cross-ply laminates. Accepted for publication in Composites, Part A.
Godkänd; 2000; 20070318 (ysko)

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Smith, Kevin H. "In-fiber Optical Devices Based on D-fiber." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/291.

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This dissertation presents the fabrication and analysis of in-fiber devices based on elliptical core D-shaped optical fiber. Devices created inside optical fibers are attractive for a variety of reasons including low loss, high efficiency, self-alignment, light weight, multiplexibility, and resistance to electromagnetic interference. This work details how D-fiber can be used as a platform for a variety of devices and describes the creation and performance of two of these devices: an in-fiber polymer waveguide and a surface relief fiber Bragg grating. In D-fiber the core is very close to the flat side of the ‘D’ shape. This proximity allows access to the fields in the fiber core by removal of the cladding above the core. The D-fiber we use also has an elliptical core, allowing for the creation of polarimetric devices. This work describes two different etch processes using hydrofluoric acid (HF) to remove the fiber cladding and core. For the creation of devices in the fiber core, the core is partially removed and replaced with another material possessing the required optical properties. For devices which interact with the evanescent field, cladding removal is terminated before acid breaches the core. Etching fibers prepares them for use in the creation of in-fiber devices. Materials are placed into the groove left when the core of a fiber is partially removed to form a hybrid waveguide in which light is guided by both the leftover core and the inserted material. These in-fiber polymer waveguides have insertion loss less than 2 dB and can potentially be the basis for a number of electro-optic devices or sensors. A polarimetric temperature sensor demonstrates the feasibility of the core replacement method. This work also describes the creation of a surface relief fiber Bragg gratings (SR-FBGs) in the cladding above the core of the fiber. Because it is etched into the surface topography of the fiber, a SR-FBG can operate at much higher temperatures than a standard FBG, up to at least 1100 degrees Celsius. The performance of a SR-FBG is demonstrated in temperature sensing at high temperatures, and as a strain sensor.

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Books on the topic "Fibel"

1

Nitsche, Manfred. Abluft-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45310-0.

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Weill, Francis S., Gilles Coche, Rémy Costaz, Dominique Didier, Arlette Le Mouel, and Paul Rohmer. CT-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75042-7.

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Wirth, Alfred. Adipositas-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5.

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Nitsche, Manfred. Kolonnen-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41919-5.

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Wirth, Alfred. Adipositas-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-97741-1.

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Poser, Emily v. Emilys Fibel. Wiesbaden: K. Guha, 1986.

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Bitzer, John A. A4-Fibel. Edited by Army Ballistic Missile Agency (U.S.), German-Canadian Museum of Applied History, and Restone Arsenal (Ala ). S.l: German-Canadian Museum of Applied History, 1997.

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Belz, Gustav Georg, and Martin Stauch. Notfall EKG-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-79008-9.

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Belz, Gustav Georg, and Martin Stauch. Notfall EKG-Fibel. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-662-01190-4.

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Maar, Paul. Lesezuber: Eine Fibel. Berlin: Volk und Wissen Verlag, 1997.

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Book chapters on the topic "Fibel"

1

Wirth, Alfred. "Adipositas — eine Krankheit mit Folgen." In Adipositas-Fibel, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_1.

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Wirth, Alfred. "Definition und Klassifizierung von Übergewicht und Adipositas." In Adipositas-Fibel, 3–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_2.

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Wirth, Alfred. "Untersuchungsinhalte bei Adipositas." In Adipositas-Fibel, 9–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_3.

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Wirth, Alfred. "Adipositas: eine epidemische und kostenträchtige Krankheit." In Adipositas-Fibel, 19–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_4.

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Wirth, Alfred. "Ätiologie der Adipositas: Weshalb werden Menschen dick?" In Adipositas-Fibel, 29–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_5.

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Wirth, Alfred. "Exkurs: Fettgewebe." In Adipositas-Fibel, 55–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_6.

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Wirth, Alfred. "Häufige Folgekrankheiten." In Adipositas-Fibel, 65–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_7.

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Wirth, Alfred. "Therapie." In Adipositas-Fibel, 95–162. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_8.

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Wirth, Alfred. "Adipositas bei Kindern und Jugendlichen — ein rapide wachsendes Problem." In Adipositas-Fibel, 163–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18252-5_9.

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Nitsche, Manfred. "Auswahlkriterien für Abluftreinigungsverfahren und Planungshinweise." In Abluft-Fibel, 1–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45310-0_1.

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Conference papers on the topic "Fibel"

1

DiGiovanni, D. J. "Fiber laser fiber." In 2005 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2005. http://dx.doi.org/10.1109/cleo.2005.201883.

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Heinrici, Axel, Goran Bjelajac, Jeroen Jonkers, Stefan Jakobs, Simon Olschok, and Uwe Reisgen. "Vacuum fiber-fiber coupler." In SPIE LASE, edited by Stefan Kaierle and Stefan W. Heinemann. SPIE, 2017. http://dx.doi.org/10.1117/12.2250335.

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Yu, Francis T. S., Ruyan Guo, Bo Wang, and Yuexin Liu. "Fiber sensing with photorefractive fiber." In International Symposium on Optical Science and Technology, edited by Francis T. S. Yu and Ruyan Guo. SPIE, 2002. http://dx.doi.org/10.1117/12.468409.

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Noda, Juichi, and Itaru Yokohama. "Fiber Devices for Fiber Sensors." In Optical Fiber Sensors. Washington, D.C.: OSA, 1988. http://dx.doi.org/10.1364/ofs.1988.fee1.

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Jones, Matthew R., Jeffery T. Farmer, and Shawn P. Breeding. "Two Fiber Optical Fiber Thermometry." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1421.

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Abstract An optical fiber thermometer consists of an optical fiber whose sensing tip is given a metallic coating. The sensing tip of the fiber forms an isothermal cavity, and the emission from this cavity is approximately equal to the emission from a blackbody. Temperature readings are obtained by measuring the spectral radiative flux at the end of the fiber at two wavelengths. The ratio of these measurements is used to infer the temperature at the sensing tip. However, readings from optical fiber thermometers are corrupted by emission from the fiber when extended portions of the probe are exposed to elevated temperatures. This paper describes several ways in which the reading from a second fiber can be used to correct the corrupted temperature measurements. It is shown that two of the correction methods result in significant reductions in the systematic errors. However, these methods are sensitive to random errors, so it is preferable to use a single fiber OFT if the uncertainties in the measurements are large.

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Jin, R., C. Hanson, G. Khitrova, A. Chavez-Pirson, Hyatt M. Gibbs, Nasser Peyghambarian, T. Bowen, F. Y. Junag, P. K. Bhattacharya, and D. A. Weinberger. "Direct fiber-etalon-fiber interfacing." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.fee4.

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Direct interfacing between single-mode optical fibers and GaAs nonlinear etalons is successfully demonstrated. The optical fibers used in our experiments are from AMP, Inc., with a core size of 10 µm. The ends of these fibers are polished and mounted in ceramic housings. The light source is a CR590 dye laser pumped by an argon-ion laser. The laser beam is modulated by an acoustooptic modulator to give pulses of several microseconds in duration. Laser light is coupled into a fiber by using a 10X microscope objective with a numerical aperture of 0.3, and the coupling loss is <3 dB. The nonlinear etalon used in the experiment is made by coating both sides of a 108-period 58-Å- 96-Å GaAs/AIGaAs multiple quantum well with 400-Å Ag, giving reflectivities of ~87 %. Optical bistability is observed when the nonlinear etalon is brought into contact with the fiber, with no lens between the output end of the fiber and etalon. A similar fiber is used to collect the output light from the etalon with an efficiency of >70%, suggesting that fiber-optic interconnects could be feasible in a digital optical processor.

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Kärenlampi, Petri, and Yongzhong Yu. "Fiber Properties and Paper Fracture – Fiber Length and Fiber Strength." In The Fundamentals of Papermaking Materials, edited by C. F. Baker. Fundamental Research Committee (FRC), Manchester, 1997. http://dx.doi.org/10.15376/frc.1997.1.521.

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Phenomenological theories on the effect of pulp fiber properties on the fracture energy of paper are discussed. The effect of fiber length and strength is clarified experimentally. Fiber length appears to affect fiber failure probability only slightly. When fiber strength is changed, the fracture energy decreases greatly with only a small increment in fiber failure probability. This suggests that the fracture energy contribution of a fiber may be correlated between fibers. The effect of fiber length and strength on the cohesive stress – crack widening relationship is clarified.

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Jakob, Wenzel, Jonathan T. Moon, and Steve Marschner. "Capturing hair assemblies fiber by fiber." In ACM SIGGRAPH Asia 2009 papers. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1661412.1618510.

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9

Kim, B. Y. "Fiber sensors based on fiber lasers." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 1994. http://dx.doi.org/10.1364/ofc.1994.tug7.

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Yu, Feng, Tingwu Ge, Jing jing Dai, Wenqi Zhang, Chang Sun, and Zhiyong Wang. "All-Fiber Nanosecond Pulse Fiber Amplifier." In CIOMP-OSA Summer Session: Lasers and Their Applications. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/sumsession.2011.tu2.

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Reports on the topic "Fibel"

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Ragalwar, Ketan, William Heard, Brett Williams, Dhanendra Kumar, and Ravi Ranade. On enhancing the mechanical behavior of ultra-high performance concrete through multi-scale fiber reinforcement. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41940.

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Steel fibers are typically used in ultra-high performance concretes (UHPC) to impart flexural ductility and increase fracture toughness. However, the mechanical properties of the steel fibers are underutilized in UHPC, as evidenced by the fact that most of the steel fibers pull out of a UHPC matrix largely undamaged during tensile or flexural tests. This research aims to improve the bond between steel fibers and a UHPC matrix by using steel wool. The underlying mechanism for fiber-matrix bond improvement is the reinforcement of the matrix tunnel, surrounding the steel fibers, by steel wool. Single fiber pullout tests were performed to quantify the effect of steel wool content in UHPC on the fiber-matrix bond. Microscopic observations of pulled-out fibers were used to investigate the fiber-matrix interface. Compared to the control UHPC mixture with no steel wool, significant improvement in the flexural behavior was observed in the UHPC mixtures with steel wool. Thus, the addition of steel wool in steel fiber-reinforced UHPC provides multi-scale reinforcement that leads to significant improvement in fiber-matrix bond and mechanical properties of UHPC.

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Taylor. L51724 Fiber Optic Pressure Sensor Development. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 1995. http://dx.doi.org/10.55274/r0010368.

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Fiber optic sensors have been under development in industrial and government laboratories around the world for over a decade The commercial market for fiber sensors for measuring parameters such as temperature, displacement, and liquid level is now estimated to exceed $50 M/year Aside from the commercial interest, the U S. Department of Defense has vigorously pursued the development of fiber gyroscopes and hydrophones In spite of the high level of research and devleopment activity, however, fiber sensors were not successfully applied in the relatively harsh environment of engine combustion chambers prior to 1991. The goal of this development is to demonstrate the utilization of a new fiber optic sensor technology in engines used for natural gas transmission. Presently, there is no way to continuously measure pressure in these engines over extended periods of operation. Reliable fiber optic sensor networks supplying data to computerized control systems for on-line engine balancing could lead to major reductions in the emission of NO, and other harmful combustion products. Fuel economies in the millions of dollars per year for companies in the natural gas transmission industry could also be realized.

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Franzen, Douglas L., Matt Young, and Timothy J. Drapela. Optical fiber, fiber coating, and connector ferrule geometry :. Gaithersburg, MD: National Bureau of Standards, 1995. http://dx.doi.org/10.6028/nist.tn.1378.

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Granot, David, Scott Holaday, and Randy D. Allen. Enhancing Cotton Fiber Elongation and Cellulose Synthesis by Manipulating Fructokinase Activity. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7613878.bard.

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a. Objectives (a) Identification and characterization of the cotton fiber FRKs; (b) Generating transgenic cotton plants overproducing either substrate inhibited tomato FRK or tomato FRK without substrate inhibition; (c) Generating transgenic cotton plants with RNAi suppression of fiber expressed FRKs; (d) Generating Arabidopsis plants that over express FRK1, FRK2, or both genes, as additional means to assess the contribution of FRK to cellulose synthesis and biomass production. b. Background to the topic: Cellulose synthesis and fiber elongation are dependent on sugar metabolism. Previous results suggested that FRKs (fructokinase enzymes that specifically phosphorylate fructose) are major players in sugar metabolism and cellulose synthesis. We therefore hypothesized that increasing fructose phosphorylation may enhance fiber elongation and cellulose synthesis in cotton plants. Accordinlgy, the objectives of this research were: c. Major conclusions and achievements: Two cotton FRKs expressed in fibers, GhFRK2 and GhFRK3, were cloned and characterized. We found that GhFRK2 enzyme is located in the cytosol and GhFRK3 is located within plastids. Both enzymes enable growth on fructose (but not on glucose) of hexose kinase deficient yeast strain, confirming the fructokinase activity of the cloned genes. RNAi constructs with each gene were prepared and sent to the US collaborator to generate cotton plants with RNAi suppression of these genes. To examine the effect of FRKs using Arabidopsis plants we generated transgenic plants expressing either LeFRK1 or LeFRK2 at high level. No visible phenotype has been observed. Yet, plants expressing both genes simultaneously are being created and will be tested. To test our hypothesis that increasing fructose phosphorylation may enhance fiber cellulose synthesis, we generated twenty independent transgenic cotton plant lines overexpressing Lycopersicon (Le) FRK1. Transgene expression was high in leaves and moderate in developing fiber, but enhanced FRK activity in fibers was inconsistent between experiments. Some lines exhibited a 9-11% enhancement of fiber length or strength, but only one line tested had consistent improvement in fiber strength that correlated with elevated FRK activity in the fibers. However, in one experiment, seed cotton mass was improved in all transgenic lines and correlated with enhanced FRK activity in fibers. When greenhouse plants were subjected to severe drought during flowering and boll development, no genotypic differences in fiber quality were noted. Seed cotton mass was improved for two transgenic lines but did not correlate with fiber FRK activity. We conclude that LeFRK1 over-expression in fibers has only a small effect on fiber quality, and any positive effects depend on optimum conditions. The improvement in productivity for greenhouse plants may have been due to better structural development of the water-conducting tissue (xylem) of the stem, since stem diameters were larger for some lines and the activity of FRK in the outer xylem greater than observed for wild-type plants. We are testing this idea and developing other transgenic cotton plants to understand the roles of FRK in fiber and xylem development. We see the potential to develop a cotton plant with improved stem strength and productivity under drought for windy, semi-arid regions where cotton is grown. d. Implications, scientific and agricultural: FRKs are probably bottle neck enzymes for biomass and wood synthesis and their increased expression has the potential to enhance wood and biomass production, not only in cotton plants but also in other feed and energy renewable plants.

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Sutipatanasomboon, Arpaporn. Fiber Photometry: Definition & Equipment Needed. ConductScience, November 2022. http://dx.doi.org/10.55157/cs2021111.

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Fiber photometry uses spectroscopy to monitor the cellular dynamics in the cell or organ of interest in vivo. It uses photons from the light of a specified wavelength to trigger cells at the region of interest, enabling researchers to monitor the dynamics at a precise location in real-time. Unlike the patch clamp, fiber photometry is used on living animals. It enables researchers to investigate how specific cellular ions or proteins in a particular cell or organ respond to a certain trigger or stimulant in real-time and over some time. These abilities make fiber photometry highly relevant to neurobiological and physiological studies.[1]

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Hammond, Andrew P. Fiber Accelerating Structures. Office of Scientific and Technical Information (OSTI), August 2010. http://dx.doi.org/10.2172/992939.

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Simpson, Thomas B. Fiber Laser Array. Fort Belvoir, VA: Defense Technical Information Center, January 2002. http://dx.doi.org/10.21236/ada403729.

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Goettler, Richard W. Robust Fiber Coatings. Fort Belvoir, VA: Defense Technical Information Center, August 2002. http://dx.doi.org/10.21236/ada407946.

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Green, Denise Nicole. Fiber and Place. Ames: Iowa State University, Digital Repository, November 2015. http://dx.doi.org/10.31274/itaa_proceedings-180814-197.

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Rudy, C., S. Bayliss, D. Bracken, J. Bush, and P. Davis. Fiber optic calorimetry. Office of Scientific and Technical Information (OSTI), January 1998. http://dx.doi.org/10.2172/563803.

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