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Browsing 02 Physical Sciences by Title

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  • Tsirlin, Anatoly; Kazakov, Vladimir; Kolinko, N (Springer-Verlag, 2003)
    We formulate the problem of finding classes of kinetic dependencies in irreversible thermodynamic and microeconomic systems for which minimal dissipation processes belong to the same type. We show that this problem is an ...
  • Dossou, Kokou; Botten, Lindsay; Asatryan, Ara; Sturmberg, B.; Byrne, Michael; Poulton, Christopher; Mcphedran, Ross; De Sterke, C (Optical Society of America, 2012)
    A finite element-based modal formulation of diffraction of a plane wave by an absorbing photonic crystal slab of arbitrary geometry is developed for photovoltaic applications. The semianalytic approach allows efficient and ...
  • Campbell, Samuel; Botten, Lindsay; Mcphedran, Ross; De Sterke, C (Optical Soc Amer, 2008)
    We consider lamellar gratings made of dielectric or lossy materials used in classical diffraction mounts. We show how the modal diffraction formulation may be generalized to deal with slanted lamellar gratings and illustrate ...
  • Ditchburn, Rj; Smith, Geoff (Iop Publishing Ltd, 1992)
    An effective medium model, capable of explaining both the unusual transmittance characteristics and the pronounced biaxial response observed in obliquely deposited metal and metal-insulator composites, is used to model ...
  • Vahn, Gy; White, Tom; Steel, Michael; De Sterke, C; Dossou, Kokou; Botten, Lindsay (Amer Inst Physics, 2007)
    We derive semianalytic models of two types of photonic crystal resonators by simplifying the Bloch mode scattering matrix method. Essential to the models are two parameters, which are interpreted to be the phase change ...
  • Wilcox, Stuart; Botten, Lindsay; Mcphedran, Ross; Poulton, Christopher; De Sterke, C (American Physical Soc, 2005)
    We present an exact theory for modeling defect modes in two-dimensional photonic crystals having an infinite cladding. The method is based on three key concepts, namely, the use of fictitious sources to modify response ...
  • Kan, Dougal; Asatryan, Ara; Poulton, Christopher; Dossou, Kokou; Botten, Lindsay (Optical Society of America, 2011)
    We extend the fictitious source superposition method in order to model linear defects in photonic woodpiles, and we use the method to model a waveguide that is created by changing either the radius or refractive index of ...
  • Cortie, Michael; Zareie, Hadi; Liu, Jingquan; Muller, Karl; Ford, Mike (International Society for Optical Engineering (SPIE), 2005)
    The possible role of self-assembled monolayers (SAMs) as the dielectric component of nanoscale capacitors is considered. SAMs of two rather different molecules, a,a′-p-xylyldithiol (′ XYL′) and dodecanedithiol ...
  • Zhang, Nong; Kirpitchenko, Inessa (Academic Press, 2002)
    This paper presents the concept of a vibration control system in which motions of a continuous structure with piezoelectric sensors/actuators can be suppressed (or activated) through transforming mechanical energy to ...
  • Asatryan, Ara; Botten, Lindsay; White, Tom; De Sterke, C; Mcphedran, Ross; Langtry, Tim (COIN/ACOFT 2003, 2003)
  • Marks, Benjamin; Steel, Michael; Rahmani, Adel (IEEE, 2008)
    We present a rigorous numerical study of the sub-wavelength focusing of electromagnetic waves using a time-reversal mirror, and show that the diffraction limit can be overcome in the optical domain.
  • Pearce G; Weiderhecker G; Poulton Christopher; Burger S; Russell P (Optical Society of America, 2007)
    We demonstrate by numerical simulation that the general features of the loss spectrum of photonic crystal fibres (PCF) with a kagome structure can be explained by simple models consisting of thin concentric hexagons or ...
  • Dossou, Kokou; Botten, Lindsay; Mahmoodian, Sahand; Mcphedran, Ross; Poulton, Christopher; Asatryan, Ara; De Sterke, C (IEEE, 2008)
    We demonstrate the existence of a class of defects in 2D photonic crystals, for which the eigenstates depend only on the defect geometry, and not on details Re photonic crystal parameters or defect size.
  • De Sterke, C; Botten, Lindsay; Asatryan, Ara; White, Tom; Mcphedran, Ross (Optical Society of America, 2004)
    We consider the modes of coupled photonic crystal waveguides. We find that the fundamental modes ofthese structures can be either even or odd, in contrast with the behaviour in coupled conventional waveguides in which the ...
  • Bonnie, Fadi; Arnold, Matthew; Smith, Geoff; Gentle, Angus (SPIE, 2013)
    The optical resonances that occur in nanostructured metal layers are modulated in thin film stacks if the nanostructured layer is separate from a reflecting conducting layer by various thickness of thin dielectric.
  • Andreasen, J; Asatryan, Ara; Botten, Lindsay; Byrne, M; Cao, H; Ge, L; Labonte, L; Sebbah, P; Stone, A; T??Reci, H; Vanneste, C (Optical Society of America, 2011)
    In conventional lasers, the optical cavity that confines the photons also determines essential characteristics of the lasing modes such as wavelength, emission pattern, directivity, and polarization. In random lasers, which ...
  • Dossou, Kokou; Poulton, Christopher; Botten, Lindsay; Mahmoodian, Sahand; Mcphedran, Ross; De Sterke, C (American Physical Society, 2009)
    We consider the modal fields and resonance frequencies of composite defects in two-dimensional photonic crystals (PCs). Using an asymptotic method based on Green's functions, we show that the coupling matrices for the ...
  • Ton-That, Cuong; Shard, Alex; Egger, S.; Dhanak, Vinod; Welland, Mark (American Physical Society, 2003)
    The photon-energy dependences of valence-band photoemission spectra have been investigated for monolayer, submonolayer, and multilayer C60 films on Ag(111). The intensity ratios of the highest and next-highest occupied ...
  • Ranjbartoreh, Ali Rezah; Wang, Guoxiu (Elsevier BV, 2010)
    This paper investigates the effects of length's variations on Young's modulus, compressive elastic modulus, tensile, compressive, and lateral stiffness, critical buckling strain, critical axial force and pressure of armchair ...
  • Dredge, Paula; Wuhrer, Ric; Phillips, Matt (Cambridge Univ Press, 2003)
    An oil painting by Claude Monet, Port-Goulphar, Belle-Ile 1887 (collection of the Art Gallery of New South Wales), was examined to determine both the identity of the pigments used by the artist in this painting and his ...