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Ralf Hellmann

Showing results (31-40 of 52) with videos related to

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Materials (Basel, Switzerland)|July 27, 2022
Optimization of Heat Accumulation during Femtosecond Laser Drilling Borehole Matrices by Using a Simplex AlgorithmChristian Lutz, Marcel Jung, Katrin Tschirpke, et al.
Sensors (Basel, Switzerland)|September 25, 2019
Multipurpose Polymer Bragg Grating-Based Optomechanical Sensor PadSteffen Hessler, Patrick Bott, Stefan Kefer, et al.
Materials (Basel, Switzerland)|September 9, 2023
Drilling Sequence Optimization Using Evolutionary Algorithms to Reduce Heat Accumulation for Femtosecond Laser Drilling with Multi-Spot Beam ProfilesChristian Lutz, Jonas Helm, Katrin Tschirpke, et al.
Sensors (Basel, Switzerland)|September 26, 2020
Microstructure-Based Fiber-To-Chip Coupling of Polymer Planar Bragg Gratings for Harsh Environment ApplicationsStefan Kefer, Theresia Sauer, Steffen Hessler, et al.
Optics Letters|July 8, 2020
Hypersensitive H<sub>2</sub> sensor based on polymer planar Bragg gratings coated with Pt-loaded WO<sub>3</sub>-SiO<sub>2</sub>Stefan Kefer, Jixiang Dai, Minghong Yang, et al.
Optics Letters|April 15, 2022
Space-variant polarization conversion with artificial birefringent metallic elementsStefan Belle, Stefan F Helfert, Stefan Kefer, et al.
Sensors (Basel, Switzerland)|July 2, 2021
Deep UV Formation of Long-Term Stable Optical Bragg Gratings in Epoxy Waveguides and Their Biomedical Sensing PotentialsSteffen Hessler, Marieke Rüth, Horst-Dieter Lemke, et al.
Microsystems & Nanoengineering|May 7, 2019
Towards a versatile point-of-care system combining femtosecond laser generated microfluidic channels and direct laser written microneedle arraysAnika Trautmann, Gian-Luca Roth, Benedikt Nujiqi, et al.
Polymers|July 27, 2022
UV-Femtosecond-Laser Structuring of Cyclic Olefin CopolymerKay Bischoff, Dominik Mücke, Gian-Luca Roth, et al.
Optics Express|September 10, 2020
Fabrication and evaluation of negative axicons for ultrashort pulsed laser applicationsSimon Schwarz, Gian-Luca Roth, Stefan Rung, et al.
Pageof 6

Showing results (31-40 of 52) with videos related to

Sort By:
Pageof 6
Materials (Basel, Switzerland)|July 27, 2022
Optimization of Heat Accumulation during Femtosecond Laser Drilling Borehole Matrices by Using a Simplex AlgorithmChristian Lutz, Marcel Jung, Katrin Tschirpke, et al.
Sensors (Basel, Switzerland)|September 25, 2019
Multipurpose Polymer Bragg Grating-Based Optomechanical Sensor PadSteffen Hessler, Patrick Bott, Stefan Kefer, et al.
Materials (Basel, Switzerland)|September 9, 2023
Drilling Sequence Optimization Using Evolutionary Algorithms to Reduce Heat Accumulation for Femtosecond Laser Drilling with Multi-Spot Beam ProfilesChristian Lutz, Jonas Helm, Katrin Tschirpke, et al.
Sensors (Basel, Switzerland)|September 26, 2020
Microstructure-Based Fiber-To-Chip Coupling of Polymer Planar Bragg Gratings for Harsh Environment ApplicationsStefan Kefer, Theresia Sauer, Steffen Hessler, et al.
Optics Letters|July 8, 2020
Hypersensitive H<sub>2</sub> sensor based on polymer planar Bragg gratings coated with Pt-loaded WO<sub>3</sub>-SiO<sub>2</sub>Stefan Kefer, Jixiang Dai, Minghong Yang, et al.
Optics Letters|April 15, 2022
Space-variant polarization conversion with artificial birefringent metallic elementsStefan Belle, Stefan F Helfert, Stefan Kefer, et al.
Sensors (Basel, Switzerland)|July 2, 2021
Deep UV Formation of Long-Term Stable Optical Bragg Gratings in Epoxy Waveguides and Their Biomedical Sensing PotentialsSteffen Hessler, Marieke Rüth, Horst-Dieter Lemke, et al.
Microsystems & Nanoengineering|May 7, 2019
Towards a versatile point-of-care system combining femtosecond laser generated microfluidic channels and direct laser written microneedle arraysAnika Trautmann, Gian-Luca Roth, Benedikt Nujiqi, et al.
Polymers|July 27, 2022
UV-Femtosecond-Laser Structuring of Cyclic Olefin CopolymerKay Bischoff, Dominik Mücke, Gian-Luca Roth, et al.
Optics Express|September 10, 2020
Fabrication and evaluation of negative axicons for ultrashort pulsed laser applicationsSimon Schwarz, Gian-Luca Roth, Stefan Rung, et al.
Pageof 6