Localized exciton magnetic polarons in Te G Mackh, W Ossau, DR Yakovlev, A Waag, G Landwehr, R Hellmann, ... Physical Review B 49 (15), 10248, 1994 | 188 | 1994 |
Microstructure and mechanical properties of 316L austenitic stainless steel processed by different SLM devices A Röttger, J Boes, W Theisen, M Thiele, C Esen, A Edelmann, ... The International Journal of Advanced Manufacturing Technology 108, 769-783, 2020 | 161 | 2020 |
Low-temperature anti-Stokes luminescence mediated by disorder in semiconductor quantum-well structures R Hellmann, A Euteneuer, SG Hense, J Feldmann, P Thomas, EO Göbel, ... Physical Review B 51 (24), 18053, 1995 | 119 | 1995 |
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 | 85 | 2019 |
Rapid micro hole laser drilling in ceramic substrates using single mode fiber laser B Adelmann, R Hellmann Journal of Materials Processing Technology 221, 80-86, 2015 | 83 | 2015 |
Homogeneous linewidth of excitons in semimagnetic CdTe/Te multiple quantum wells R Hellmann, M Koch, J Feldmann, ST Cundiff, EO Göbel, DR Yakovlev, ... Physical Review B 48 (4), 2847, 1993 | 68 | 1993 |
Giant exciton resonance reflectance in Bragg MQW structures VP Kochereshko, GR Pozina, EL Ivchenko, DR Yakovlev, A Waag, ... Superlattices and microstructures 15 (4), 471-473, 1994 | 57 | 1994 |
Exciton magnetic polarons in the semimagnetic alloys Te G Mackh, M Hilpert, DR Yakovlev, W Ossau, H Heinke, T Litz, F Fischer, ... Physical Review B 50 (19), 14069, 1994 | 54 | 1994 |
Compressive and tensile strain sensing using a polymer planar Bragg grating M Rosenberger, S Hessler, S Belle, B Schmauss, R Hellmann Optics express 22 (5), 5483-5490, 2014 | 53 | 2014 |
Planar Bragg grating in bulk polymethylmethacrylate M Rosenberger, G Koller, S Belle, B Schmauss, R Hellmann Optics express 20 (25), 27288-27296, 2012 | 53 | 2012 |
Optical planar Bragg grating sensor for real-time detection of benzene, toluene and xylene in solvent vapour M Girschikofsky, M Rosenberger, S Belle, M Brutschy, SR Waldvogel, ... Sensors and Actuators B: Chemical 171, 338-342, 2012 | 53 | 2012 |
Optimization of laser cutting processes using design of experiments K Hühnlein, K Tschirpke, R Hellmann Physics Procedia 5, 243-252, 2010 | 53 | 2010 |
Comparative study of remote fiber laser and water-jet guided laser cutting of thin metal sheets K Hock, B Adelmann, R Hellmann Physics Procedia 39, 225-231, 2012 | 51 | 2012 |
Two-photon polymerization based large scaffolds for adhesion and proliferation studies of human primary fibroblasts A Trautmann, M Rüth, HD Lemke, T Walther, R Hellmann Optics & Laser Technology 106, 474-480, 2018 | 50 | 2018 |
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 |
Areal surface roughness optimization of maraging steel parts produced by hybrid additive manufacturing P Wüst, A Edelmann, R Hellmann Materials 13 (2), 418, 2020 | 48 | 2020 |
Fabrication of a high-quality axicon by femtosecond laser ablation and CO2 laser polishing for quasi-Bessel beam generation S Schwarz, S Rung, C Esen, R Hellmann Optics Express 26 (18), 23287-23294, 2018 | 48 | 2018 |
High aspect ratio cutting of metals using water jet guided laser B Adelmann, C Ngo, R Hellmann The International Journal of Advanced Manufacturing Technology 80 (9), 2053-2060, 2015 | 47 | 2015 |
Micromachining of AlN and Al2O3 Using Fiber Laser F Preusch, B Adelmann, R Hellmann Micromachines 5 (4), 1051-1060, 2014 | 46 | 2014 |
Characterization of laser beam shaping optics based on their ablation geometry of thin films S Rung, J Barth, R Hellmann Micromachines 5 (4), 943-953, 2014 | 46 | 2014 |