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Browsing 02 Physical Sciences by Title

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  • Wang, Yi; Zhu, Jianguo; Wang, Shuhong; Guo, Youguang; Xu, Wei (IEEE, 2009)
    In this paper a comprehensive nonlinear model of surface mounted permanent magnet synchronous machine (SPMSM) is proposed considering both the structural and the saturation saliencies to enable the numerical simulation of ...
  • Dowd, Annette; Samoc, Marek; Luther-Davies, Barry; Elliman, Robert (Elsevier Science Bv, 1999)
    Degenerate four-wave mixing (DFWM) is used to examine the nonlinear optical response of Ge nanocrystals in a silica matrix. The nanocrystals are formed by implanting 1.0 MeV Ge ions into silica to a dose of 3.0x10(17) Ge ...
  • Dowd, Annette; Elliman, Robert; Samoc, Marek; Luther-Davies, Barry (Amer Inst Physics, 1999)
    Time-resolved degenerate-four-wave-mixing measurements were used to study the nonlinear optical response (intensity-dependent refractive index! of Ge nanocrystallites embedded in a silica matrix. Nanocrystals were fabricated ...
  • Grillet, Christian; Smith, Cameron; Lee, Michael; Magi, Eric; Moss, D; Eggleton, Benjamin; Freeman, Darren; Madden, Steve; Luther-Davies, Barry; Byrne, Michael; Asatryan, Ara; Botten, Lindsay (IEEE, 2006)
  • Zhang, Nong; Ji, Jc (Pergamon-Elsevier Science Ltd, 2009)
    Non-resonant bifurcations of codimension two may appear in the controlled van der Pol-Duffing oscillator when two critical time delays corresponding to a double Hopf bifurcation have the same value. With the aid of centre ...
  • Koos, Christian; Jacome, L; Poulton, Christopher; Leuthold, Juerg; Freude, Wolfgang (Optical Society of America, 2007)
    Values up to gamma = 7?106/(Wkm) for the nonlinear parameter are feasible if silicon-on-insulator based strip and slot waveguides are properly designed. This is more than three orders of magnitude larger than for ...
  • Fujii, Masafumi; Takashima, Tetsuya; Maitra, Ayan; Leuthold, Juerg; Freude, Wolfgang; Poulton, Christopher (Optical Society of America, 2007)
    Nonreciprocal optical bistability is numerically investigated in InGaAsP/InP nonlinear waveguide Bragg gratings having a strong and asymmetric sidewall modulation. Minimum switching power as low as 77 mW is predicted by ...
  • Fujii, Masafumi; Maitra, Ayan; Poulton, Christopher; Leuthold, Juerg; Freude, Wolfgang (Optical Society of America, 2006)
    We investigate numerically a non-reciprocal switching behavior in strongly modulated waveguide Bragg gratings (WBGs) having a longitudinally asymmetric stopband configuration. The minimum power predicted for a stable ...
  • Lau, Yiu; Braun, Michael; Hutton, Brian (Institute of Physics, 2001)
    Conventional approaches to image registration are generally limited to image-wide rigid transformations. However, the body and its internal organs are non-rigid structures that change shape due to changes in the body's ...
  • Marquarding, M.; Kilborn, V. A.; Mader, S.; O'Brien, J.; Doyle, M. T.; Ryder, S. D.; Minchin, R. F.; Garcia-Appadoo, D.; Drinkwater, M. J.; Ekers, R. D.; Gibson, B. K.; Freeman, K. C.; Jerjen, H.; Zwaan, M. A.; Stootman, F.; Sadler, E. M.; Ryan-Weber, E.; Stevens, J.; Meyer, M. J.; Gurovich, S.; Staveley-Smith, L.; Webster, R. L.; Putman, M. E.; Knezek, P. M.; Koribalski, B. S.; Barnes, D. G.; Disney, M. J.; de Blok, W. J.; Kesteven, M. J.; Bhathal, R.; Stewart, I. M.; Wong, O.; Harnett, J. I.; Henning, P. A.; Waugh, M. (Blackwell Publishing, 2006)
    The Northern HIPASScatalogue (NHICAT) is the northern extension of the HIPASS catalogue, HICAT. This extension adds the sky area between the declination (Dec.) range of +20 < 8 < +25"30' to HICAT's Dec. range of -900 < ...
  • Wong, Oiwei; Ryan-Weber, Emma; Garcia-Appadoo, Diego; Webster, Rachel; Staveley-Smith, Lister; Zwaan, Martin; Meyer, M; Barnes, D; Kilborn, Virginia; Bhathal, Ragbir; De Blok, W; Disney, Mike; Doyle, Marianne; Drinkwater, Michael; Ekers, Ron; Freeman, Ken; Gibson, Brad; Gurovich, Sebastian; Harnett, Julienne; Henning, Trish; Jerjen, Helmut; Kesteven, Michael; Knezek, Patricia; Koribalski, Barbel; Mader, Stacy; Marquarding, Malte; Minchin, Robert; O'Brien, Jess; Putman, Mary; Ryder, Stuart; Sadler, Elaine; Stevens, J; Stewart, Ian; Stootman, Frank; Waugh, Meryl (Blackwell Publishing, 2006)
    The Northern HIPASS catalogue (NHICAT) is the northern extension of the HIPASS catalogue, HICAT. This extension adds the sky area between the declination (Dec.) range of +2 degrees < delta < +25 degrees 30' to HICAT's Dec. ...
  • Earp, Alan; Smith, Geoff; Franklin, Jim; Mccredie, Geoff (SPIE, 2001)
    Simple quantitative performance criteria are developed for translucent materials in terms of hemispherical visible transmittance, and angular spread of transmitted luminance using a half angle. Criteria are linked to ...
  • Orlic, I.; Siegele, R.; Hammerton, K.; Jeffree, Ross; Cohen, D. (Elsevier Inc, 2003)
    Elevated concentrations of lead were found in Australian free ranging saltwater crocodile (Crocodylus porosus) bone and flesh. Lead shots were found as potential source of lead in these animals. ANSTO s heavy ion nuclear ...
  • Dossou, Kokou; Larochelle, Sophie; Fontaine, Marie (IEEE Publications, 2002)
    The birefringence of an optical fiber resulting from an asymmetry of the index profile is numerically evaluated using a finite-element method with a full-vectorial formulation. Such asymmetric index profiles, assumed to ...
  • Schwefel, H; Poulton, Christopher; Wang, L (IEEE/LEOS, 2008)
    A novel and numerically efficient multipole formulation for the calculation of resonances of photonic molecules is presented. Photonic molecules are often modeled as two dimensional coupled dielectric disks. We use the ...
  • Koos, Christian; Jacome, L; Poulton, Christopher; Leuthold, Juerg; Freude, Wolfgang (Optical Society of America, 2007)
    We numerically investigate the band structure and guided modes within arrays of metallic nanowires. We show that bandgaps appear for a range of array geometries and that these can be used to guide light in these structures. ...
  • Guenneau, Sebastien; Poulton, Christopher; Movchan, Alexander (Royal Society, 2003)
    This paper presents analysis of electromagnetic and elastodynamic waves propagating through a doubly periodic array of cylindrical channels in oblique incidence. A new method, based on a multipole scattering approach, has ...
  • Coleman, V; Buda, M; Tan, Hark; Jagadish, Chennupati; Koike, K; Sasa, S; Inoue, M; Yano, M; Phillips, Matt (IOP Publishing Ltd, 2006)
    Implantation with low-energy (80 keV) oxygen ions and subsequent rapid thermal annealing at 800 degrees C are used to induce intermixing in a stack of 19 ZnO/Zn0.7Mg0.3O multiple quantum wells grown oil sapphire by molecular ...
  • Pant, R; Li, Eb; Poulton, Christopher; Choi, Dy; Madden, S; Luther-Davies, B; Eggleton, Bj (Optical Soc Amer, 2013)
    We report demonstration of a Brillouin dynamic grating (BDG) in a photonic chip. A BDG was characterized in a 6.5 cm long chalcogenide (As2S3) rib waveguide using CW pumps in x polarization and read using a CW probe in y ...
  • Coleman, Va; Bradby, Jodie; Jagadish, Chennupati; Phillips, Matt (Amer Inst Physics, 2006)
    The influence of spherical nanoindentation on the band edge and deep level emission of single crystal c-axis ZnO has been studied by cathodoluminescence (CL) spectroscopy and monochromatic imaging. Excitonic emission is ...