Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design
We present a practical numerical model for calculating transmittance and reflectance of multilayer antireflection coatings taking third-order optical nonlinearities into account. Thereby, the impact of different types of discretization of the complex refractive index profile on the predicted system...
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MDPI AG
2025-06-01
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| Series: | Modelling |
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| Online Access: | https://www.mdpi.com/2673-3951/6/2/48 |
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| author | Steffen Wilbrandt Olaf Stenzel |
| author_facet | Steffen Wilbrandt Olaf Stenzel |
| author_sort | Steffen Wilbrandt |
| collection | DOAJ |
| description | We present a practical numerical model for calculating transmittance and reflectance of multilayer antireflection coatings taking third-order optical nonlinearities into account. Thereby, the impact of different types of discretization of the complex refractive index profile on the predicted system performance is investigated. Additionally, aspects of parallelism of the calculations are discussed. It is shown that the inclusion of nonlinearity is essential when large laser intensities are incident to the coating. The developed method is applied for the design of different antireflective coatings matching various types of targets. |
| format | Article |
| id | doaj-art-671fe3d6d08049efa4945fe3c6cefca8 |
| institution | Kabale University |
| issn | 2673-3951 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Modelling |
| spelling | doaj-art-671fe3d6d08049efa4945fe3c6cefca82025-08-20T03:29:44ZengMDPI AGModelling2673-39512025-06-01624810.3390/modelling6020048Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and DesignSteffen Wilbrandt0Olaf Stenzel1Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Albert-Einstein-Str. 7, 07745 Jena, GermanyFraunhofer Institute for Applied Optics and Precision Engineering IOF, Albert-Einstein-Str. 7, 07745 Jena, GermanyWe present a practical numerical model for calculating transmittance and reflectance of multilayer antireflection coatings taking third-order optical nonlinearities into account. Thereby, the impact of different types of discretization of the complex refractive index profile on the predicted system performance is investigated. Additionally, aspects of parallelism of the calculations are discussed. It is shown that the inclusion of nonlinearity is essential when large laser intensities are incident to the coating. The developed method is applied for the design of different antireflective coatings matching various types of targets.https://www.mdpi.com/2673-3951/6/2/48antireflection coatingsnonlinear optictwo-photon absorptionthird-order optical nonlinearitycoating design |
| spellingShingle | Steffen Wilbrandt Olaf Stenzel Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design Modelling antireflection coatings nonlinear optic two-photon absorption third-order optical nonlinearity coating design |
| title | Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design |
| title_full | Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design |
| title_fullStr | Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design |
| title_full_unstemmed | Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design |
| title_short | Third-Order Optical Nonlinearities in Antireflection Coatings: Model, Simulation, and Design |
| title_sort | third order optical nonlinearities in antireflection coatings model simulation and design |
| topic | antireflection coatings nonlinear optic two-photon absorption third-order optical nonlinearity coating design |
| url | https://www.mdpi.com/2673-3951/6/2/48 |
| work_keys_str_mv | AT steffenwilbrandt thirdorderopticalnonlinearitiesinantireflectioncoatingsmodelsimulationanddesign AT olafstenzel thirdorderopticalnonlinearitiesinantireflectioncoatingsmodelsimulationanddesign |