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Browsing by Author "Schellhorn, M"

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  • Bollig, C; Strauss, HJ; Esser, MJD; Koen, W; Schellhorn, M; Preussler, D; Nyangaza, K; Jacobs, Cobus; Bernhardi, EH; Botha, LR (IEEE, 2009-06)
    Ho:YLF is an attractive laser material for 2 µm high energy sources since it has a much longer upper laser level lifetime (~14 ms) and higher emission cross section than Ho:YAG. In addition, the very weak thermal lens on ...
  • Koen, W; Bollig, C; Strauss, H; Schellhorn, M; Jacobs, Cobus; Esser, MJD (American Institute of Physics, 2010-04)
    The authors developed a compact Ho:YLF oscillator–amplifier system in a novel setup to utilise the unpolarised pump power from a fibre laser efficiently, and produced 21.3 mJ at 1 kHz, with an M 2 better than 1.1. The ...
  • Schellhorn, M; Ngcobo, SH; Bollig, C; Esser, MD; Preussler, DR; Nyangaza, K (Institute of Electrical and Electronic Engineering (IEEE), 2009-06)
    The aim is to develop a high-power Tm:YLF slab laser which can be utilized to pump a Ho slab laser. A 68 W Tm:YLF slab laser was recently presented in [1] pumped from one end by a single 6-bar stack delivering ~300 W of ...