Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 9 of 9 for “"RCWA"”.
-
Progress in metamaterials : magnetic hybridization of electric dipole resonance and inhomogeneous structures for thin-film lenses
… as well as rigorous coupled wave analysis (RCWA). A theoretical model and experimental data are in good agreement and clearly demonstrate hybridization of structural and material resonances. First step in development of possible applications for the metamaterials was done by Driscoll in …
-
Mikrostrukturen zur Steuerung von Tageslichtströmen
… (engl.: Rigorous Coupled Wave Analysis, kurz RCWA) und die sogenannte „Integralmethode“ werden deshalb neben der Strahlverfolgungs-Methode vorgestellt. Entwicklung, Herstellung und optische Charakterisierung von Sonnenschutz-Mikrostrukturen sind ein zentraler Inhalt der Arbeit. Zu …
-
Inverse Design and Optimization Methods for Thermophotovoltaic Emitters made of Tungsten Gratings
… algorithm. Rigorous coupled-wave analyses (RCWA) take too long to natively perform for the hyper-heuristic search. Fully connected neural nets (FCNN) solve this problem when used as surrogate models. The new optimization algorithm created in this way showed significantly better performance …
-
Paviršinių difrakcinių elementų optimizavimas ir formavimas femtosekundiniais UV lazerio impulsais /
… "DiffractMOD" module, which employs the RCWA model. This was done to determine whether the laser ablation method is suitable for the efficient production of diffraction elements and to assess the diffraction efficiencies that can be achieved from single-level two-dimensional diffraction …
-
Holographic Spectrum-Splitting Design for Micro-Concentrating Photovoltaic Applications
… simulated using Rigorous Coupled Wave Analysis (RCWA). A full system model is developed that allows non-sequential ray tracing through the system. Spectral Conversion Efficiency of each PV cell is found with published data and the quantum concentration ratio for different illumination conditions. …
-
Three-dimensional nanofabrication with elastomeric phase mask
… Si solar cells. Rigorous coupled wave analysis (RCWA) simulations and spectroscopic measurements of transmission, reflection, and absorption reveal insights for designed light trapping structures. Photovoltaic performance measurements on a 6 um Si solar cell showed energy conversion efficiency …
-
Fundamental investigations on periodic nano- and microstructured organic solar cells
… is performed by rigorous coupled wave analysis (RCWA) in order to calculate an optimum grating geometry and to gain a better understanding of the light absorption in the device. Diffraction gratings are introduced by micropatterning of the photoactive layers which are then characterised by …
-
Reststrahlen band optics for the advancement of far-infrared optical architecture
… (TMM) and rigourous coupled wave analysis (RCWA) techniques for calculating reflection and transmission spectra for layered materials. The later technique employs the first one in a Fourier space in order to efficiently calculate spectra from layered periodic structures. Chapter 3 is the …
-
Mikrostrukturierte Oberflächen in Kombination mit optischen Schaltungsmechanismen zum Tageslichtmanagement
Mit dielektrischen Strukturen (z.B. Prismen) kann Licht umgelenkt werden. Als strukturierte Platten oder Folien können solche Strukturen in Verglasungen eingesetzt werden und eignen sich sehr gut als Blend- bzw. Sonnenschutz. Dabei gibt es je nach Einsatzwunsch unterschiedliche Ansätze. Vom …