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Browsing by Author "Esser, MJD"

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  • Koen, W; Jacobs, Cobus; Bollig, C; Strauss, HJ; Esser, MJD; Botha, LR (Optical Society of America, 2014-06)
    An optically pumped tunable HBr laser has been demonstrated for the first time. The pump source was a single-frequency Ho:YLF laser and amplifier system, which was locked to the 2064 nm absorption line of HBr. Laser ...
  • Bollig, C; Jacobs, Cobus; Esser, MJD; Bernhard, EH; Von Bergmann, HM (Optical Society of America, 2010-06)
    An end-pumped Nd:YLF laser was demonstrated, which delivered 60.3 W continuous-wave and more than 52 W Q-switched average power for all repetition rates from 5 to 30 kHz. To achieve this, an analytical solution to estimate ...
  • Esser, MJD; Strauss, H; Koen, WS; Preussler, D; Nyangaza, K; Bollig, C (2009-06)
    The authors have, through careful analysis of spectroscopic data, designed and demonstrated a diode-end-pumped, quasicontinuous wave Tm:GdVO4 laser operating at 1892 nm in order to pump a Q-switched Ho:YLF laser. The Ho:YLF ...
  • Esser, MJD; Preussler, D; Sharma, Ameeth; Jacobs, Cobus; Bollig, C (2009-11)
    In order to demonstrate the feasibility of a helicopter-based application using advanced laser technology, the authors have developed a rugged and compact mid-infrared solid-state laser. The requirement for the laser was ...
  • Bernhardi, EH; Forbes, A; Bollig, C; Esser, MJD (2008)
    One of the main problems that limit the power scaling of diode-end-pumped solid-state lasers is the generation of heat inside the laser gain medium which can ultimately cause fracture. In this paper a time-dependent ...