| Towards a versatile point-of-care system combining femtosecond laser generated microfluidic channels and direct laser written microneedle arrays A Trautmann, GL Roth, B Nujiqi, T Walther, R Hellmann Microsystems & Nanoengineering 5 (1), 6, 2019 | 84 | 2019 |
| Femtosecond laser direct generation of 3D-microfluidic channels inside bulk PMMA GL Roth, C Esen, R Hellmann Optics express 25 (15), 18442-18450, 2017 | 49 | 2017 |
| Microchannels inside bulk PMMA generated by femtosecond laser using adaptive beam shaping GL Roth, S Rung, C Esen, R Hellmann Optics Express 28 (4), 5801-5811, 2020 | 31 | 2020 |
| Welding of transparent polymers using femtosecond laser GL Roth, S Rung, R Hellmann Applied Physics A 122 (2), 86, 2016 | 28 | 2016 |
| Fabrication and evaluation of negative axicons for ultrashort pulsed laser applications S Schwarz, GL Roth, S Rung, C Esen, R Hellmann Optics Express 28 (18), 26207-26217, 2020 | 25 | 2020 |
| Femtosecond laser inscription of waveguides and Bragg gratings in transparent cyclic olefin copolymers GL Roth, S Hessler, S Kefer, M Girschikofsky, C Esen, R Hellmann Optics Express 28 (12), 18077-18084, 2020 | 22 | 2020 |
| High-temperature stable and sterilizable waveguide Bragg grating in planar cyclo-olefin copolymer M Rosenberger, S Kefer, M Girschikofsky, GL Roth, S Hessler, S Belle, ... Optics letters 43 (14), 3321-3324, 2018 | 22 | 2018 |
| Polymer Photonic Crystal Waveguides Generated by Femtosecond Laser GL Roth, S Kefer, S Hessler, C Esen, R Hellmann Laser & Photonics Reviews 15 (11), 2100215, 2021 | 19 | 2021 |
| Ultrashort pulse laser micro-welding of cyclo-olefin copolymers GL Roth, S Rung, R Hellmann Optics and Lasers in Engineering 93, 178-181, 2017 | 19 | 2017 |
| Efficient Ultrashort Pulsed Laser Processing by Dynamic Spatial Light Modulator Beam Shaping for Industrial Use. C Lutz, GL Roth, S Rung, C Esen, R Hellmann Journal of Laser Micro/Nanoengineering 16 (1), 2021 | 13 | 2021 |
| Fs-laser based hybrid micromachining for polymer micro-opto electrical systems GL Roth, J Haubner, S Kefer, C Esen, R Hellmann Optics and Lasers in Engineering 137, 106362, 2021 | 13 | 2021 |
| Circular microchannels inside bulk polymethylmethacrylate generated by femtosecond laser using slit beam shaping GL Roth, C Esen, R Hellmann Journal of Laser Applications 31 (2), 2019 | 12 | 2019 |
| Temperature referenced planar Bragg grating strain sensor in FS-laser cut COC specimen M Rosenberger, GL Roth, B Adelmann, B Schmauss, R Hellmann IEEE Photonics Technology Letters 29 (11), 885-888, 2017 | 12 | 2017 |
| Ultrashort Pulsed Laser Drilling of Printed Circuit Board Materials D Franz, T Häfner, T Kunz, GL Roth, S Rung, C Esen, R Hellmann Materials 15 (11), 3932, 2022 | 11 | 2022 |
| Tunable bulk polymer planar Bragg gratings electrified via femtosecond laser reductive sintering of CuO Nanoparticles S Kefer, K Bischoff, GL Roth, J Haubner, B Schmauss, R Hellmann Advanced Optical Materials 9 (13), 2002203, 2021 | 11 | 2021 |
| Control of femtosecond laser generated microfluidic channels inside poly (methyl methacrylate) GL Roth, C Esen, R Hellmann Journal of Laser Applications 30 (3), 2018 | 10 | 2018 |
| Characterization of a hybrid scanning system comprising acousto-optical deflectors and galvanometer scanners D Franz, T Häfner, T Kunz, GL Roth, S Rung, C Esen, R Hellmann Applied Physics B 128 (3), 55, 2022 | 9 | 2022 |
| UV-Femtosecond-Laser Structuring of Cyclic Olefin Copolymer K Bischoff, D Mücke, GL Roth, C Esen, R Hellmann Polymers 14 (14), 2962, 2022 | 9 | 2022 |
| A New Approach to Seal Polymer Microfluidic Devices Using Ultrashort Laser Pulses. GL Roth, C Esen, R Hellmann Journal of Laser Micro/Nanoengineering 14 (1), 2019 | 9 | 2019 |
| Sapphire Photonic Crystal Waveguides with Integrated Bragg Grating Structure S Kefer, GL Roth, J Zettl, B Schmauss, R Hellmann Photonics 9 (4), 234, 2022 | 8 | 2022 |
Ralf HellmannProfessor der Physik, Lasertechnik, Photonik, University Applied Science AschaffenburgVerified email at th-ab.de
