Technische Hochschule Aschaffenburg

On the Effect of Powder Particles on Tool Wear and Surface Roughness in Hybrid Additive Manufacturing of Inconel 718 (2026) Sommer D, Safi A, Esen C, Hellmann R Journal article Additive manufacturing of Nickel-based superalloy: optimization of surface roughness using integrated high-speed milling (2024) Sommer D, Safi A, Esen C, Hellmann R Conference contribution Lattice-Like Waveguides With Integrated Bragg Gratings in Planar Cyclic Olefin Copolymers (2024) Kefer S, Pape N, Bischoff K, Schmauß B, Hellmann R Journal article Birefringence in Injection-Molded Cyclic Olefin Copolymer Substrates and Its Impact on Integrated Photonic Structures (2024) Kefer S, Limbach T, Pape N, Klamt K, Schmauß B, Hellmann R Journal article Fabrication of Lattice-Like Waveguides in Planar Cyclic Olefin Copolymers (2023) Kefer S, Pape N, Schmauß B, Hellmann R Conference contribution Sapphire-Based Planar Bragg Grating Devices (2023) Kefer S, Schmauß B, Hellmann R Conference contribution High-Precision Micromachining of Sapphire Towards Optical Waveguiding Structures using Femtosecond Lasers (2023) Kefer S, Zettl J, Schmauß B, Esen C, Hellmann R Conference contribution Towards Pressure Sensors Based on Polymer Planar Bragg Gratings (2023) Kefer S, Pape N, Gries N, Roth GL, Schmauß B, Hellmann R Conference contribution Sapphire Photonic Crystal Waveguides with Integrated Bragg Grating Structure (2022) Kefer S, Roth GL, Zettl J, Schmauß B, Hellmann R Journal article Optical, structural, and functional properties of highly reflective and stable iridium mirror coatings for infrared applications (2022) Schmitt P, Felde N, Dohring T, Stollenwerk M, Uschmann I, Hanemann K, Siegler M, et al. Journal article