Author:Botha, LR; Bollig, C; Esser, D; Jacobs, Cobus; Preussler, DDate:Jul 2009A mathematical model was developed that accurately predicts the performance of an optically pumped HBr laser. Relatively high conversion efficiency was achieved. Tm pumped Ho:YLF is a viable source for pumping HBr laser, while HBr can be ...Read more
Author:Berndt, Robert J; Nel, Willem AJ; Abdul Gaffar, MY; O’Hagan, DDate:Dec 2021Helicopter main rotor blade flashes in radar measurements are an oft-used feature for target classification. While focus is often placed on being able to detect them, little attention has been given to what is required to ensure that they are ...Read more
Author:Shatalov, MY; Joubert, SV; Coetzee, CEDate:Dec 2011As among other seismological observations, it is important to be able to predict the location of the vibrating pattern of an earthquake. In this chapter, the authors take the first tentative steps towards including "Bryan’s effect" in a ...Read more