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Optical coherence tomography for characterization of nanocomposite materials

Schneider, Simon

Abstract (englisch):
Nanocomposite materials play an increasingly important role in various application areas, be it in an industrial, medical or everyday environment. The unique properties of nanocomposites go beyond those of conventional composite materials. Because nanoparticles have a high surface-to-volume ratio such as carbon nanotubes, they can reinforce an embedding polymer host matrix mechanically, or they enhance the electrical material conductivity. A major challenge in the development of nanoparticles and nanocomposites is the control of particle size and shape, and of the uniform dispersion of nanoparticles in the host material. Conventional characterization techniques lack either resolution, or can only inspect details of small samples.
In this book, the application of optical coherence tomography (OCT) for nanocomposite and nanoparticle characterization is investigated. OCT is a threedimensional imaging method with microscopic resolution. We follow a multiscale approach: Along with imaging in the micrometre to millimetre regime, we employ a light scattering model to extend the measurement range towards nanoparticle sizes.
Industrial use cases pose additional challenges to OCT systems, namely robustness, small system cost and size, and an open path towards parallelization. ... mehr

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Volltext §
DOI: 10.5445/IR/1000120929
Veröffentlicht am 16.07.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Photonik und Quantenelektronik (IPQ)
Publikationstyp Hochschulschrift
Publikationsdatum 16.07.2020
Sprache Englisch
Identifikator KITopen-ID: 1000120929
Verlag Karlsruher Institut für Technologie (KIT)
Umfang XIV, 182 S.
Art der Arbeit Dissertation
Fakultät Fakultät für Elektrotechnik und Informationstechnik (ETIT)
Institut Institut für Photonik und Quantenelektronik (IPQ)
Prüfungsdatum 29.11.2019
Referent/Betreuer Prof. C. Koos
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