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2009
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G. Kassier, K. Haupt, N. Erasmus, E. Rohwer, and H. Schwoerer, Achromatic reflectron compressor design for bright pulses in femtosecond electron diffraction, Journal of Applied Physics 105, 113111 (2009).
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J. Gallacher, M. Anania, E. Brunetti, F. Budde, A. Debus, B. Ersfeld, K. Haupt, M. R. Islam, O. Jäckel, S. Pfotenhauer, A. Reitsma, E. Rohwer, H-P. Schlenvoigt, H. Schwoerer, R. Shanks, S. Wiggins and D. Jaroszynski, A method of determining narrow energy spread electron beams from a laser plasma wakefield accelerator using undulator radiation, Physics of Plasmas 16, 093102 (2009).
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A. Heidt, Efficient adaptive step size method for the simulation of supercontinuum generation in photonic crystal fibers, J. Lightwave Technology. 27, 3984 – 3991 (2009).
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B. Hidding, M. Geissler, G. Pretzler, K.-U. Amthor, H. Schwoerer, S. Karsch, L. Veisz, K. Schmid, R. Sauerbrey,Quasimonoenergetic Electron Acceleration in the Self-Modulated Laser Wakefield Regime, Physics of Plasmas 16, 043105 (2009).
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Litvin and A. Forbes, Intra–cavity flat–top beam generation. Optics Express 17, 15891-15903 (2009).
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Litvin, M. McLaren and A Forbes, A conical wave approach to calculating Bessel-Gauss beam reconstruction after complex obstacles, Optics Communications 282, 1078 - 1082 (2009).
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P. Neethling, T. Scheidt, E. Rohwer, H. von Bergmann, H. Stafast, Second harmonic generation as a technique to probe buried interfaces, South African Journal of Science 105 (2009).
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S. Ombinda-Lemboumba, A. du Plessis, R. Sparrow, P. Leroala, L. Botha, C. Steenkamp and E. Rohwer, Femtosecond pump probe spectroscopy for the study of energy transfer of light harvesting complexes from extractions of spinach leaves, South African Journal of Science 105, 376-386 (2009).
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2008
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P. Buah-Bassuah, H. von Bergmann, E. Tatchie and C. Steenkamp, A portable fibre-probe ultraviolet light emitting diode (LED)-induced fluorescence detection system, Measurment Science and Technology 19 , 025501 (2008).
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A. Fasasi, M. Maaza, C. Theron, P. Neethling, U. Buttner, A. Leitch and A. Chaudhary, Non-linear absorption and second harmonic imaging of Zn–BaTiO 3 thin films prepared by laser ablation, Sience Direct 516 , 6233-6239 (2008).
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I. Litvin and A. Forbes, Bessel–Gauss resonator with internal amplitude filter, Science Direct 281 , 2385-2392 (2008).
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P. Neethling, E. Rohwer, H. Von Bergmann, H. Stafast, Analysis of ZnO thin films by second harmonic generation , Physica Status Solidi (c) 5 , 552–554 (2008).
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S. Pfotenhauer , O. Jäckel, A. Sachtleben, J. Polz, W. Ziegler, H. Schlenvoigt, K. Amthor, M. C. Kaluza, K. Ledingham, R. Sauerbrey, P. Gibbon, A. Robinson and H. Schwoerer, Spectral shaping of laser generated proton beams, New Journal of Physics 10 , 033034 (2008).
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T. Scheidt, E. Rohwer, P. Neethling, H. von Bergmann, and H. Stafast, I onization and shielding of interface states in native p + -Si/SiO 2 probed by electric field induced second harmonic generation, Journal of Applied Physics 104 , 083712 - 083712-8 (2008).
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H. Schlenvoigt , K. Haupt , A. Debus , F. Budde , O. Jäckel , S. Pfotenhauer , J. Gallacher , E. Brunetti , D. Jaroszynski , E. Rohwer , and H. Schwoerer, Synchrotron Radiation from Laser-Accelerated Monoenergetic Electron Beams , Conference on Lasers and Electro-Optics (CLEO), (2008).
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H. Schlenvoigt, K. Haupt, A. Debus, F. Budde, O. Jäckel, S. Pfotenhauer, H. Schwoerer, E. Rohwer, J. Gallacher, E. Brunetti, R. Shanks, S. Wiggins & D. Jaroszynski, A compact synchrotron radiation source driven by a laser-plasma wakefield accelerator, Nature Physics 4 , 130 - 133 (2008).
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H. Schwoerer, Particle acceleration with lasers. South African Journal of Science 104 , 299-304 (2008).
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2007
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H. Von Bergmann, A. Forbes, T. Roberts, L. Botha, Influence of acoustic waves on TEA CO2 laser performance, Proceedings of SPIE 6346 , 634606-1-8 (2007)
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E. Coetsee, H. Swart, J. Terblans, O. Ntwaeaborwa, K. Hillie, W. Jordaan, U, Characterization of Y 2 SiO 5 :Ce thin films, Optical Material 29 , 1338-1343 (2007)
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A. Fasasi, R. Bucher, B. Ngom, U. Buttner, M. Maaza, C. Theron, E. Rohwer, Structural and optical properties of annealed W-doped BaTiO 3 thin films prepared by pulsed laser deposition , Journal of Physics-Condenced Matter 19, 466214-25 (2007)
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A. Heidt, J. Burger, J. Maran, H. von Bergmann, N. Traynor, Microjoule, Subpicosecond Pulse Generation from a Yb 3+ - Doped Fiber Laser Using Frequency Shifted Feedback, Conference on Lasers and Electro-Optics/Pacific Rim 2007, 1-2 (2007)
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A. Heidt , J. Burger , J. Maran , H. von Bergmann , N Traynor , High Power Subpicosecond Pulse Generation from a Yb 3+ -Doped Fiber Laser Using Only Frequency Shifted Feedback, Frontier Optics (2007)
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A. Heidt, J. Burger, J. Maran, N. Traynor, High power and high energy ultrashort pulse generation with a frequency shifted feedback fiber laser, Optical Express 15, 15892-97 (2007)
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I. Litvin, L. Burger, M. De Gama, A. Mathye, A. Forbes, Laser beam shaping limitations for laboratory simulation of turbulence using a phase-only spatial light modulator, Proc. of SPIE 6663, 66630R-1—7 (2007)
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I. Litvin, L. Burger, A. Forbes, Petal–like modes in Porro prism resonators , Optics Express 15, 14065—14077 (2007)
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I.Litvin, A. Forbes, Impact of phase errors at the conjugate step on the propagation of intensity and phase shaped laser beams , Proc. of SPIE 6663 , 666303-1—7 (2007)
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J. Maran, E. Rohwer, J. Burger, L. Botha, Optics in South Africa, Optics and Photonics News, 17-23 (2007)
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A. Du Plessis, E. Rohwer and C. Steenkamp, Investigation of four carbon monoxide isotopomers in natural abundance by laser-induced fluorescence in a supersonic jet , Journal of Molecular Spectroscopy 243, 124-133 (2007)
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D. Roberts, A. Du Plessis, S. Ombinda-Lemboumba, Hard target UV lidar measurements of isoprene mixing ratios and emission rates from eucalyptus trees , Applied Optics 46, 6344—6349 (2007)
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2006
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A du Plessis, E. Rohwer, C. Steenkamp, Accurate laboratory wavelengths of the A(1)Pi(upsilon '=0-5)-X-1 Sigma(+)(upsilon ''=0) vibronic bands of (CO)-C-12-O-17 and (CO)-C-12-O-18 , Astrophysical Journal Supplement Series 165 , 432-437 (2006)
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T. Scheidt, E. Rohwer, H. von Bergmann, H. Stafast, Ultraviolet pulse laser induced modifications of native silicon/silica interfaces analyzed by optical second harmonic generation, Journal of Applied Physics 100 , 023116 (2006)
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2005
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H. von Bergmann, High-power excimer and CO2 TEA laser technology, South African Journal of Science 101 , 75-80, 2005
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A.Forbes, A. du Plessis, E. Rohwer, Comparison of infrared laser beam shaping by diffractive and refractive methods, Proceedings of SPIE 5876 , 138-149 (2005)
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A. du Plessis, C. Steinmann, E. Rohwer, Experimental conditions for vacuum ultraviolet laser spectroscopy, South African Journal of Science 101 , 93—95 (2005)
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T. Scheidt, E. Rohwer, H. von Bergmann, Optical second harmonic generation as a probe for internal electric fields at the Si/SiO2 interface , South African Journal of Science 101 , 91—92 (2005)
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T. Scheidt, E. Rohwer, H. von Bergmann, E. Saucedo, E. Dieguez, L. Fornaro, H. Stafast, Optical second-harmonic imaging of PbxCd1-xTe ternary alloys , Journal of Applied Physics 97 , 103104 (2005)
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T. Scheidt, E. Rohwer, H. von Bergmann, H. Stafast, Ferntosecond laser diagnostics of thin films, surfaces and interfaces , South African Journal of Science 101 , 267-271 (2005).
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C. Steenkamp, A. du Plessis, E. Rohwer, An improved experimental setup for high-resolution vacuum ultraviolet laser spectroscopy, South African Journal of Science 101 , 272-275 (2005).
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T. Stehmann, H. von Bergmann, Improved PSPICE gas discharge model for CO2 TEA lasers , South African Journal of Science 101 , 80-83 (2005).
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C. Steinmann, A. du Plessis, E. Rohwer, High-resolution vacuum ultraviolet laser spectroscopy of molecules in a free supersonic jet: in search of rare CO isotopomers and CO-Ar van der Waals molecules , South African Journal of Science 101 , 87-88 (2005).
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