Doktorprüfung
Thema: Modeling and simulation of disordered light management
structures in optoelectronic devices
Mündliche Prüfung: 30.11.2021
Referent: Prof. Dr. rer. nat. Uli Lemmer
Korreferent: Prof. Dr. Carsten Rockstuhl (KIT-Institut für Theoretische Festkörperphysik)
Publikationen
2025
Ultra-compact multi-wavelength laser combiner using spectral beam combining
Wang, Z.; Schwanke, J.; Theobald, D.; Herkommer, A.; Lemmer, U.
2025. R. A. Lieberman, F. Baldini & J. Homola (Eds.), Optical Sensors 2025. Ed.: F. Baldini, 1, SPIE. doi:10.1117/12.3055659
Wang, Z.; Schwanke, J.; Theobald, D.; Herkommer, A.; Lemmer, U.
2025. R. A. Lieberman, F. Baldini & J. Homola (Eds.), Optical Sensors 2025. Ed.: F. Baldini, 1, SPIE. doi:10.1117/12.3055659
Fabrication-Compatible Photonic Structures for Ultra-Wide Visible Light Beam Shaping via Meta-Gratings
Wang, Z.; Theobald, D.; Tritschler, P.; Lemmer, U.
2025. Mikroelektronik, Mikrosystemtechnik und ihre Anwendungen - Nachhaltigkeit und Technologiesouveranitat, MikroSystemTechnik Congress 2025 - Microelectronics, Microsystems Technology and their Applications - Sustainability and Technological Sovereignty, MicroSystemTechnology Congress 2025, 13–16, VDE VERLAG GMBH
Wang, Z.; Theobald, D.; Tritschler, P.; Lemmer, U.
2025. Mikroelektronik, Mikrosystemtechnik und ihre Anwendungen - Nachhaltigkeit und Technologiesouveranitat, MikroSystemTechnik Congress 2025 - Microelectronics, Microsystems Technology and their Applications - Sustainability and Technological Sovereignty, MicroSystemTechnology Congress 2025, 13–16, VDE VERLAG GMBH
2022
Modeling and simulation of disordered light management structures in optoelectronic devices. PhD dissertation
Theobald, D.
2022, January 5. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000141626
Theobald, D.
2022, January 5. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000141626
Silver-Nanoparticle-Based Metallodielectric Wavelength-Selective Reflectors for Quantum-Dot-Enhanced White-Light-Emitting Diodes
Chen, J.; Theobald, D.; Shams, A. B.; Jin, Q.; Mertens, A.; Gomard, G.; Lemmer, U.
2022. ACS applied nano materials, 5 (1), 87–93. doi:10.1021/acsanm.1c02885
Chen, J.; Theobald, D.; Shams, A. B.; Jin, Q.; Mertens, A.; Gomard, G.; Lemmer, U.
2022. ACS applied nano materials, 5 (1), 87–93. doi:10.1021/acsanm.1c02885
2021
SMUTHI: A python package for the simulation of light scattering by multiple particles near or between planar interfaces
Egel, A.; Czajkowski, K. M.; Theobald, D.; Ladutenko, K.; Kuznetsov, A. S.; Pattelli, L.
2021. Journal of quantitative spectroscopy & radiative transfer, 273, Art.-Nr. 107846. doi:10.1016/j.jqsrt.2021.107846
Egel, A.; Czajkowski, K. M.; Theobald, D.; Ladutenko, K.; Kuznetsov, A. S.; Pattelli, L.
2021. Journal of quantitative spectroscopy & radiative transfer, 273, Art.-Nr. 107846. doi:10.1016/j.jqsrt.2021.107846
Simulation of light scattering in large, disordered nanostructures using a periodic T-matrix method
Theobald, D.; Beutel, D.; Borgmann, L.; Mescher, H.; Gomard, G.; Rockstuhl, C.; Lemmer, U.
2021. Journal of quantitative spectroscopy & radiative transfer, 272, Article no: 107802. doi:10.1016/j.jqsrt.2021.107802
Theobald, D.; Beutel, D.; Borgmann, L.; Mescher, H.; Gomard, G.; Rockstuhl, C.; Lemmer, U.
2021. Journal of quantitative spectroscopy & radiative transfer, 272, Article no: 107802. doi:10.1016/j.jqsrt.2021.107802
2020
Planarized and Compact Light Scattering Layers Based on Disordered Titania Nanopillars for Light Extraction in Organic Light Emitting Diodes
Donie, Y. J.; Theobald, D.; Moghadamzadeh, S.; Mertens, A.; Hossain, I. M.; Paetzold, U. W.; Lemmer, U.; Gomard, G.
2020. Advanced optical materials, 9 (14), Art.-Nr.: 2001610. doi:10.1002/adom.202001610
Donie, Y. J.; Theobald, D.; Moghadamzadeh, S.; Mertens, A.; Hossain, I. M.; Paetzold, U. W.; Lemmer, U.; Gomard, G.
2020. Advanced optical materials, 9 (14), Art.-Nr.: 2001610. doi:10.1002/adom.202001610
Design of Selective Reflectors Utilizing Multiple Scattering by Core–Shell Nanoparticles for Color Conversion Films
Theobald, D.; Yu, S.; Gomard, G.; Lemmer, U.
2020. ACS photonics, 7 (6), 1452–1460. doi:10.1021/acsphotonics.0c00117
Theobald, D.; Yu, S.; Gomard, G.; Lemmer, U.
2020. ACS photonics, 7 (6), 1452–1460. doi:10.1021/acsphotonics.0c00117
2019
Enhanced color conversion of quantum dots - polymer hybrid films in light emitting diodes
Yu, S.; Fritz, B.; Theobald, D.; Wu, K.; Johnsen, S.; Busko, D.; Richards, B. S.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Holscher, H.; Gomard, G.
2019. 20th International Conference on Electronic Packaging Technology (ICEPT 2019), 1–4, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ICEPT47577.2019.245231
Yu, S.; Fritz, B.; Theobald, D.; Wu, K.; Johnsen, S.; Busko, D.; Richards, B. S.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Holscher, H.; Gomard, G.
2019. 20th International Conference on Electronic Packaging Technology (ICEPT 2019), 1–4, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ICEPT47577.2019.245231
Foamed polymer/quantum dots composite films with enhanced photoluminescence efficiency
Yu, S.; Fritz, B.; Theobald, D.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Optical Devices and Materials for Solar Energy and Solid-State Lighting : part of OSA Advanced Photonics Congress, Burlingame, CA, July 29 - August 2, 2019. Part F136-PVLED 2019, Optica Publishing Group (OSA). doi:10.1364/PVLED.2019.PT2C.4
Yu, S.; Fritz, B.; Theobald, D.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Optical Devices and Materials for Solar Energy and Solid-State Lighting : part of OSA Advanced Photonics Congress, Burlingame, CA, July 29 - August 2, 2019. Part F136-PVLED 2019, Optica Publishing Group (OSA). doi:10.1364/PVLED.2019.PT2C.4
2018
Simulation of light scattering in clusters of nonspherical nanoparticles: an adapted T-matrix approach
Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2018. Nanophotonics, Strasbourg, France, 22–26 April 2018, 82, SPIE. doi:10.1117/12.2305921
Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2018. Nanophotonics, Strasbourg, France, 22–26 April 2018, 82, SPIE. doi:10.1117/12.2305921
2017
Plane-wave coupling formalism for T-matrix simulations of light scattering by nonspherical particles
Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2017. Physical review / A, 96 (3), Art. Nr. 033822. doi:10.1103/PhysRevA.96.033822
Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2017. Physical review / A, 96 (3), Art. Nr. 033822. doi:10.1103/PhysRevA.96.033822
Extending the applicability of the T-matrix method to light scattering by flat particles on a substrate via truncation of sommerfeld integrals
Egel, A.; Eremin, Y.; Wriedt, T.; Theobald, D.; Lemmer, U.; Gomard, G.
2017. Journal of quantitative spectroscopy & radiative transfer, 202, 279–285. doi:10.1016/j.jqsrt.2017.08.016
Egel, A.; Eremin, Y.; Wriedt, T.; Theobald, D.; Lemmer, U.; Gomard, G.
2017. Journal of quantitative spectroscopy & radiative transfer, 202, 279–285. doi:10.1016/j.jqsrt.2017.08.016
2016
Accurate Modeling of Outcoupling from OLEDs: Volumetric versus Flat Internal Scattering Layers
Egel, A.; Theobald, D.; Donie, Y. J.; Preinfalk, J. B.; Gomard, G.; Lemmer, U.
2016. Solid-State Lighting 2016, Leipzig, 14.-17. November 2016, SSW2D.3, Optica Publishing Group (OSA). doi:10.1364/SSL.2016.SSW2D.3
Egel, A.; Theobald, D.; Donie, Y. J.; Preinfalk, J. B.; Gomard, G.; Lemmer, U.
2016. Solid-State Lighting 2016, Leipzig, 14.-17. November 2016, SSW2D.3, Optica Publishing Group (OSA). doi:10.1364/SSL.2016.SSW2D.3
Light scattering by oblate particles near planar interfaces: on the validity of the T-matrix approach
Egel, A.; Theobald, D.; Donie, Y.; Lemmer, U.; Gomard, G.
2016. Optics express, 24 (22), 25154–25168. doi:10.1364/OE.24.025154
Egel, A.; Theobald, D.; Donie, Y.; Lemmer, U.; Gomard, G.
2016. Optics express, 24 (22), 25154–25168. doi:10.1364/OE.24.025154