Browsing 02 Physical Sciences by Issue Date

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Browsing 02 Physical Sciences by Issue Date

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  • University Revision Notes Series: Physics 
    Logan, Peter (Addison-Wesley, 1992)
    This book is designed for students studying a first year physics at University.
  • Experimental Measure Of Dynamic Spatial-hole Burning In DFB Lasers 
    Phillips Matthew; Darcie Thomas; Flynn E (IEEE-inst Electrical Electronics Engineers Inc, 1992)
    We present spatially resolved measurements of carrier density in two 1.3 mum distributed feedback laser diodes. By measuring the response of the spontaneous emission intensity to a 50 MHz drive current we can observe small ...
  • 112 Channel Split-band WDM Lightwave CaATV System 
    Phillips Matthew; Gnauck Ah; Darcie Te; Frigo Nj; Bodeep Ge; Pitman Ea (IEEE-inst Electrical Electronics Engineers Inc, 1992)
    We demonstrate a 1.3 1.55-mu-m wavelength-division-multiplexed analog lightwave system which transports 112 channels (55.25-751.25 MHz) over 10 km of standard single-mode fiber. The lower 60 channels are transmitted by ...
  • A Model For The Optical-response Of Obliquely Deposited Thin-films 
    Ditchburn Rj; Smith Geoffrey (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 ...
  • Theory of equidistant three-dimensional radiance measurements with optical microprobes 
    Fukshansky-Kazarinova N.; Fukshansky L.; Kuhl Michael; Jã¸Rgensen B. (Optical Society of America, 1996)
    Fiber-optic radiance microprobes, increasingly applied for measurements of internal light fields in living tissues, provide three-dimensional radiance distribution solids and radiant energy fluence rates at different depths ...
  • Low frequency corrections to the static effective dielectric constant of a two-dimensional composite material 
    Mcphedran Ross; Poulton Christopher; Nicorovici Nicolae; Movchan Alexander (Royal Society, 1996)
  • General theory of three-dimensional radiance measurements with optical microprobes 
    Fukshansky-Kazarinova N.; Fukshansky L.; Kuhl Michael; Jã¸Rgensen B. (Optical Society of America, 1997)
    Measurements of the radiance distribution and ?uence rate within turbid samples with ?ber-optic radiance microprobes contain a large variable instrumental error caused by the nonuniform directional sensitivity of the ...
  • Nonlinear Optical Response Of Ge Nanocrystals In A Silica Matrix 
    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 ...
  • Nonlinear Optical Properties Of Semiconducting Nanocrystals In Fused Silica 
    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 ...
  • Nonlinear field effects in quadrupole mass filters 
    Schulte Jurgen; Schevschenko P; Radchik Alex (The American Institute of Physics, 1999)
    The performance of a quadrupole mass filter (QMF) generally degrades when using electrodes of circular cross section in place of mathematical ideal hyperbolic electrodes. The circular cross section of electrodes produces ...
  • Eigenvalue problems for doubly periodic elastic structures and phononic band gaps 
    Poulton Christopher; Movchan Alexander; Mcphedran Ross; Nicorovici Nicolae; Antipov Yuri (Royal Society, 2000)
  • Non-equilibrium molecular orbital calculations of Si/SiO2 Interfaces 
    Schulte Jurgen; Ushio J; Maruizumi Takuya (Elsevier Inc, 2000)
    A non-equilibrium statistical molecular orbital approach has been developed to analyze non-equilibrium configurations in Si/SiO2 heterostructures, improvement of which is essential for realization of superior semiconductor ...
  • Physical and optical characterisation of Ge-implanted silica 
    Dowd Annette; Llewellyn David; Elliman Robert; Luther-Davies Barry; Samoc Marek; Fitz Gerald John (Elsevier Inc, 2001)
    Ge nanocrystals formed in silica by implantation with 1.0 MeV Ge ions and subsequent annealing at 1100°C were characterised by transmission electron microscopy and Raman spectroscopy. The nanocrystals were found to be ...
  • Linear optical properties of Ge nanocrystals in silica 
    Dowd Annette; Elliman Robert; Luther-Davies Barry (American Institute of Physics, 2001)
    The absorption and extinction spectra of Ge nanocrystals in silica formed by ion implantation are studied using photothermal deflection and transmission spectroscopies. It is found that scattering makes a significant ...
  • Direct nanoengineering and lithographic patterning of optically anisotropic thin films 
    Hodgkinson Ian; Wu Qi; Arnold Matthew; Blaikie Richard (Elsevier, 2001)
    Biaxial and chiral thin films formed by oblique vapour deposition are patterned using standard photolithography. In one example 5 ?m wide half-wave plates are fabricated by reactive ion etching a biaxial silicon film.
  • XPS and AFM surface studies of solvent-cast PS/PMMA blends 
    Ton-That Cuong; Shard Alex; Teare D.; Bradley R. (Elsevier Ltd, 2001)
    Films of polystyrene (PS) and poly(methyl methacrylate) (PMMA) blends of two different thicknesses have been examined by X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). Blends with different ...
  • Asymptotics of Photonic Band Structures for Doubly-Periodic Arrays 
    Poulton Christopher; Mcphedran Ross; Nicorovici Nicolae; Botten Lindsay; Movchan Alexander (Kluwer Academic Publishers, 2001)
    We examine the allowed modes of polarized electromagnetic waves moving through a doubly periodic material with a cermet topology. We present analytical results for the dispersion relations in two cases; firstly when the ...
  • General Characteristics of Localisation in Stratified Media with Randon Loss and Gain 
    Botten Lindsay; De Sterke C; Mcphedran Ross; Nicorovici Nicolae; Asatryan Ara; Robinson Peter (Kluwer Academic Publishers, 2001)
    Localization in multi-layer stratified media with gain and loss is considered. The localization length is studied as a function of wavelength over a wide spectral range, and it is demonstrated that, in many cases, the ...
  • Diffraction by Perfectly Conducting Capacitive Grids: Photonic Band Structures and Circuit Models 
    Botten Lindsay; Mcphedran Ross; Nicorovici Nicolae (Kluwer Academic Publishers, 2001)
    This paper outlines a theoretical formulation for the diffraction of plane waves by capacitive grids consisting of perfectly conducting cylinders, and focuses on the importance of the acoustic (lowest frequency) mode as ...
  • Stereochemistry of carbon Nanotubes for Electronic Applications 
    Wilson, M. A; Marshall, C. P; Moy, A.; Kannangara, G. S (Spie-Int Society Optical Engineering, 2001)
    Results are presented from studies to prepare carbon nanotubes of single geometry. Carbon nanotubes of certain stereochemistry have been found to be conductive. Others have been found to be excellent transistors, and ...