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  • Karsten, AE; Singh, A; Ndhundhuma, I (The authors, 2010-01)
    In this study a commercial FD-OCT (Model OCM1300SS) by Thorlabs Inc., USA was used. This system has the following performance specifications: 1300nm centre operating wavelength, a 110nm 3dB spectral bandwidth, transverse ...
  • Jonathan, E; Dam, JS (2008-07)
    The hand palm is an important human body part primarily for physical manipulation of the environment. For example, palmar hyperhidriotics report a low quality of life due to excessive palmar sweating disrupting normal palm ...
  • Trichili, A; Rosales-Guzmán, C; Dudley, Angela; Ndagano, B; Salem, AB; Zghal, M; Forbes, A (Macmillan Publishers Limited, part of Springer Nature, 2016-06)
    Mode division multiplexing (MDM) is mooted as a technology to address future bandwidth issues, and has been successfully demonstrated in free space using spatial modes with orbital angular momentum (OAM). To further increase ...
  • Nkosi, SS; Kortidis, I; Motaung, DE; Keartland, J; Sideras-Haddad, E; Forbes, A; Mwakikunga, BW; Kiriakidis, G; Sinha-Ray, S (Elsevier, 2013-09)
    Diluted magnetic semiconductor (DMS) Mn:ZnO thin films with “ring-like or doughnut-like” structures were grown using aerosol spray pyrolysis for 20 and 30 min. Electron paramagnetic resonance revealed the ferromagnetic ...
  • Khanyile, T; Papathanasopoulos, M; Forbees, A; Mthunzi, P (2013-10)
    This is a presentation on optical delivery of ARV drugs into HIV-1 permissive cells. The paper was presented at the Emerging Researchers Symposium.
  • Ramkilowan, A; Chetty, N; Lysko, M; Griffith, D (Springer, 2013-04)
    Higher water temperatures and nutrient loads, along with forecasted climate changes are expected to result in an increase in the frequency and intensity of eutrophication-linked algal blooms (Bernard, 2010, unpublished). ...
  • Chetty, N; Ramkilowan, A; Griffith, DJ; Lysko, MD (Italian Society of Remote Sensing, 2013-04)
    South Africa’s fresh water resources are under threat by Harmful Algal Blooms (HABs). A comprehensive and cost effective method for wide area detection and monitoring of HABs is therefore needed to manage and where possible ...
  • Willers, CJ (Sensors, MEMS and Electro-optic Systems (SMEOS) Conference 2009, 2009-09)
    From its humble beginnings in an optical workshop in the Mowbray office for Triangulation in the 1930s and the subsequent formation of the Division for Optics and Spectroscopy at the National Physical Research Laboratory ...
  • Masina, BN; Forbes, A; DeGama, MP (South African Institute of Physics (SAIP), 2009-07)
    In principle all objects emit thermal radiation as a consequence of their temperature. The thermal radiation emitted by an object depends on its temperature, surface condition and thermal properties. A thermography camera ...
  • Kumbhakar, P; Sinha Ray, S; Stepanov, AL (Hindawi Publishing Corporation, 2014)
    Semiconductor and metallic nanomaterials and nanocomposites possess interesting linear absorption, photoluminescence emission, and nonlinear optical properties. Nanomaterials having small particle sizes exhibit enhanced ...
  • Roro, Kittessa T; Tile, N; Forbes, A (2010-12)
    Nanocomposite thin films are widely used for solar thermal applications. Using carbon nanoparticle containing metal oxide as a spectrally selective solar absorber coating has grown significantly in recent years. Recently, ...
  • Kunert, HW; Govender, M; Machatine, AGJ; Mwakikunga, BW; Niyongabo, P (Wiley-VCH Verlag, 2014-02)
    At sufficiently high pressures, wurtzite structure zinc oxide (W-ZnO) can be transformed to the cubic rocksalt (R-ZnO) structure. The R-ZnO exhibits semiconductor behavior with an indirect wide band gap of inline image. ...
  • Mthunzi, P (University of St Andrews, 2010-02)
    Recently, laser light sources of different regimes have emerged as an essential tool in the biophotonics research area. Classic applications include, for example: manipulating single cells and their subcellular organelles, ...
  • Masina, B; Forbes, A (SAIP 2010, 2010-09)
    This presentation acknowledges that temperature induces damage in the diamond bits due to friction during the drilling process. The temperature of the diamond sample can be raised by laser heating it.
  • Bachoo, AK; Le Roux, F; Nicolls, F (2011-04)
    Optical (visual) tracking is an important research area in computer vision with a wide range of useful and critical applications in defence and industry. The tracking of targets that pose a threat or potential threat to a ...
  • Ismail, Y; Mclaren, MG; Forbes, A (2009-07)
    This presentation provides information on optical trapping and tweezing using a spatial light modulator.
  • McLaren, M; Khanyile, T; Mthunzi, P; Forbes, A (Optical Society of America, 2013-04)
    We outline the possibility of optical trapping and tweezing with Super-Gaussian beam profiles. We show that the trapping strength can be tuned continuously by adjusting the order of a Super-Gaussian beam, approaching that ...
  • Mafusire, C; Forbes, A (South African Institute of Physics (SAIP), 2009-07)
    The researchers have managed to do quantitative analysis of ‘controlled’ turbulence. The researchers could control the degree of turbulence by controlling the rotation speed and wall temperature of the spinning pipe gas ...
  • 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 ...
  • Pienaar, M; Woodborne, S; Wadley, L (ASSAF, 2008-01)
    Six Optically stimulated luminescence (OSL) dates are compared with stratigraphically associated C-14 dates from Rose Cottage Cave. The OSL dates overlap the accepted C-14 chronology except for one sample that overestimates ...