| Compact fibre-laser-pumped Ho: YLF oscillator–amplifier system W Koen, C Bollig, H Strauss, M Schellhorn, C Jacobs, MJD Esser Applied Physics B 99, 101-106, 2010 | 90 | 2010 |
| Ho: YLF & Ho: LuLF slab amplifier system delivering 200 mJ, 2 µm single-frequency pulses HJ Strauss, W Koen, C Bollig, MJD Esser, C Jacobs, OJP Collett, ... Optics express 19 (15), 13974-13979, 2011 | 46 | 2011 |
| 330 mJ single-frequency Ho: YLF slab amplifier HJ Strauss, D Preussler, MJD Esser, W Koen, C Jacobs, OJP Collett, ... Optics letters 38 (7), 1022-1024, 2013 | 43 | 2013 |
| High average power 1314 nm Nd: YLF laser, passively Q-switched with V: YAG RC Botha, HJ Strauss, C Bollig, W Koen, O Collett, NV Kuleshov, ... Optics Letters 38 (6), 980-982, 2013 | 29 | 2013 |
| 70 mJ single-frequency Q switched Ho: YLF ring laser-amplifier system pumped by a single 82-W Tm fibre laser C Bollig, MJD Esser, C Jacobs, W Koen, D Preussler, K Nyangaza, ... Middle-Infrared Coherent Sources, Trouville, France, 8-12, 2009 | 17 | 2009 |
| High average power Q-switched 1314 nm two-crystal Nd: YLF laser RC Botha, W Koen, MJD Esser, C Bollig, WL Combrinck, ... Optics Letters 40 (4), 495-497, 2015 | 16 | 2015 |
| 60W Ho: YLF oscillator-amplifier system W Koen, C Jacobs, L Wu, HJ Strauss Solid State Lasers XXIV: Technology and Devices 9342, 387-392, 2015 | 13 | 2015 |
| 330 mJ, 2 µm, Single Frequency, Ho: YLF Slab Amplifier HJ Strauss, D Preussler, OJP Collett, MJD Esser, C Jacobs, C Bollig, ... Advanced Solid-State Photonics, ATuA4, 2011 | 13 | 2011 |
| Optically pumped tunable HBr laser in the mid-infrared region W Koen, C Jacobs, C Bollig, HJ Strauss, MJD Esser, LR Botha Optics Letters 39 (12), 3563-3566, 2014 | 11 | 2014 |
| Efficient Ho: YLF laser pumped by a Tm: fiber laser W Koen, C Jacobs, O Collett, MJD Esser Mid-Infrared Coherent Sources, MW1C. 6, 2013 | 10 | 2013 |
| End-pumped solid-state lasers WS Koen | 5 | 2010 |
| Compact fibre-laser-pumped Ho: YLF oscillator-amplifier system C Bollig, HJ Strauss, MJD Esser, W Koen, M Schellhorn, D Preussler, ... The European Conference on Lasers and Electro-Optics, CA10_6, 2009 | 5 | 2009 |
| Optically pumped HBr master oscillator power amplifier operating in the mid-infrared region W Koen, C Jacobs, MJD Esser, HJ Strauss JOSA B 37 (11), A154-A162, 2020 | 4 | 2020 |
| Development of high-power and high-energy 2 µm bulk solid-state lasers and amplifiers W Koen, C Jacobs, L Wu, H Strauss Laser Technology for Defense and Security XII 9834, 133-148, 2016 | 4 | 2016 |
| High-power diode-end-pumped Tm: YLF slab laser delivering 189 W at 1890 nm W Koen, HJ Strauss, C Bollig, MJD Esser South African Institute of Physics, 2010 | 4 | 2010 |
| Middle-infrared laser sources WS Koen Stellenbosch: Stellenbosch University, 2016 | 3 | 2016 |
| Demonstration of a wavelength selected optically pumped HBr laser W Koen, C Jacobs, C Bollig, HJ Strauss, LL Botha, MJD Esser Technologies for Optical Countermeasures IX 8543, 83-88, 2012 | 3 | 2012 |
| Q-switched Ho: YLF laser pumped by a Tm: GdVO4 laser. MJD Esser, HJ Strauss, WS Koen, D Preussler, K Nyangaza, C Bollig | 2 | 2009 |
| Exploiting the natural doping gradient of Nd: YLF crystals for high-power end pumped lasers C Bollig, W Koen, HJ Strauss, EH Bernhardi, R Botha, D Esser, ... | 2 | 2008 |
| Mid-infrared, single crystal, linear cavity optical parametric oscillators based on ZnGeP2 W Koen, C Jacobs, D Morris, L Wu, HJ Strauss Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII …, 2019 | 1 | 2019 |
Hencharl StraussSenior Researcher, CSIR South AfricaVerified email at csir.co.za
