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Browsing by Author "Du Preez, N"

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  • Forbes, A; Botha, LR; Du Preez, N; Drake, TE (Acad Science South Africa A S S AF, 2006-07)
    Laser ultrasonic is currently the optimal method for non-destructive testing of composite materials in the aerospace industry. The process is based on a laser-generated, ultrasound wave which propagates inside the composite. ...
  • Forbes, A; Du Preez, N; Litvin, IA; Botha, LR (South African Institute of Physics (SAIP), 2009-07)
    Generation and application of high power flattened Gaussian beams. Presented at the 54th Annual Conference of the South African Institute of Physics (SAIP) 2009.
  • Forbes, A; Botha, L; Du Preez, N; Drake, T (The International Society for Optical Engineering, 2007)
    Laser ultrasonics is currently the optimal method for non-destructive testing of composite materials in the aerospace industry. The process is based on a laser-generated ultrasound wave which propagates inside the composite. ...