رسالة جامعية
Interaction of light with functional spatially dispersive nanomaterials ; Valon ja spatiaalisesti dispersiivisten nanomateriaalien vuorovaikutus
| العنوان: | Interaction of light with functional spatially dispersive nanomaterials ; Valon ja spatiaalisesti dispersiivisten nanomateriaalien vuorovaikutus |
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| المؤلفون: | Kivijärvi, Ville |
| المساهمون: | Shevchenko, Andriy, Dr., Aalto University, Department of Applied Physics, Finland, Perustieteiden korkeakoulu, School of Science, Teknillisen fysiikan laitos, Department of Applied Physics, Kaivola, Matti, Prof., Aalto University, Department of Applied Physics, Finland, Optics and Photonics group, Aalto-yliopisto, Aalto University |
| بيانات النشر: | Aalto University Aalto-yliopisto |
| سنة النشر: | 2019 |
| المجموعة: | Aalto University Publication Archive (Aaltodoc) / Aalto-yliopiston julkaisuarkistoa |
| مصطلحات موضوعية: | Physics, optical nanostructures, metamaterials, wave propagation, diffraction compensation, optiset nanorakenteet, metamateriaalit, optinen aaltoliike, diffraktion kompensaatio |
| الوصف: | Progress in nanotechnology has enabled systematic development of artificial nanomaterials with extraordinary optical properties, such as zeroth and negative index of refraction, perfect absorption, and enhanced nonlinearity, anisotropy and temporal dispersion. Another property that is common for designed nanomaterials is spatial dispersion. It makes the refractive index and wave impedance depend on light propagation direction, which complicates the description, but also makes it possible to obtain previously unreachable capabilities for the materials. For example, the material can be made to reflect or absorb light differently by its different facets. In spite of a high potential of spatially dispersive nanomaterials in science and technology, only few theoretical models and design tools for these materials can be found in the literature. The results presented in this thesis can pave the way to comprehensive characterization and more efficient design of spatially dispersive nanomaterials, including metamaterials and nanostructured optical waveguides. We develop novel theoretical methods and numerical calculation techniques to characterize and design nanostructured materials and devices made of them. Furthermore, we put forward a novel approach to characterize nanostructured optical media, for which electromagnetic modes cannot be introduced due to the effect of polarization conversion by spatial dispersion. We find that a large variety of designed optical nanomaterials belong to this class of optical media. In addition, the thesis contains an efficient semi-analytical technique to model the interaction of optical beams with spatially dispersive materials. Making use of the tools of Fourier optics, the method allows treating the beam-propagation phenomenon in large-sized nanomaterial samples. Compared to conventional numerical approaches, the technique is computationally light and provides a deeper understanding of the light-matter interaction picture. Using the developed methods, we design novel optical ... |
| نوع الوثيقة: | doctoral or postdoctoral thesis |
| وصف الملف: | application/pdf |
| اللغة: | English |
| ردمك: | 978-952-60-8397-1 978-952-60-8396-4 952-60-8397-0 952-60-8396-2 |
| العلاقة: | Aalto University publication series DOCTORAL DISSERTATIONS; 17/2019; [Publication 1]: V. Kivijärvi, M. Nyman, A. Karrila, P. Grahn, A. Shevchenko, M. Kaivola. Interaction of metamaterials with optical beams. New Journal of Physics, 2015, 17, 063019. Full Text in Acris/Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201609234252Test. DOI:10.1088/1367-2630/17/6/063019; [Publication 2]: A. Shevchenko, V. Kivijärvi, P. Grahn, M. Kaivola, K. Lindfors. Bifacial Metasurface with Quadrupole Optical Response. Physical Review Applied, 2015, 4, 024019. Full Text in Acris/Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201609234367Test. DOI:10.1103/PhysRevApplied.4.024019; [Publication 3]: Kivijärvi, M. Nyman, A. Shevchenko, M. Kaivola. An optical metamaterial with simultaneously suppressed optical diffraction and surface reflection. Journal of Optics, 2016, 18, 035103. DOI:10.1088/2040-8978/18/3/035103; [Publication 4]: V. Kivijärvi, M. Nyman, A. Shevchenko, M. Kaivola. Optical-image transfer through a diffraction-compensating metamaterial. Optics Express, 2016, 24, 9806–9815. Full Text in Acris/Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201808014325Test. DOI:10.1364/OE.24.009806; [Publication 5]: V. Kivijärvi, M. Nyman, A. Shevchenko, M. Kaivola. Theoretical description and design of nanomaterial slab waveguides: application to compensation of optical diffraction. Optics Express, 2018, 26, 9134–9147. Full Text in Acris/Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201805222456Test. DOI:10.1364/OE.26.009134; 1799-4942 (electronic); 1799-4934 (printed); 1799-4934 (ISSN-L); https://aaltodoc.aalto.fi/handle/123456789/37051Test; URN:ISBN:978-952-60-8397-1 |
| الإتاحة: | https://doi.org/10.1088/1367-2630/17/6/063019Test https://doi.org/10.1103/PhysRevApplied.4.024019Test https://doi.org/10.1088/2040-8978/18/3/035103Test https://doi.org/10.1364/OE.24.009806Test https://doi.org/10.1364/OE.26.009134Test https://aaltodoc.aalto.fi/handle/123456789/37051Test |
| رقم الانضمام: | edsbas.2707F997 |
| قاعدة البيانات: | BASE |
| ردمك: | 9789526083971 9789526083964 9526083970 9526083962 |
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