Prof. Geoffrey B. Smith Profile

Prof. Geoffrey B. Smith

Emeritus Professor of Applied Physics/Retired at Univ of Technology Sydney

SPIE Involvement:

Author

Publications (46)

Proceedings Article | 17 September 2018 Paper

Design, control, and characterisation of switchable radiative cooling

Angus Gentle, Matthew Tai, Simon White, Matthew Arnold, Michael Cortie, Geoff Smith

Proceedings Volume 10759, 107590L (2018) https://doi.org/10.1117/12.2323877

KEYWORDS: Temperature metrology, Vanadium, Nanostructured thin films, Thin films, Infrared radiation, Oxidation, Annealing, Reflectivity, Ellipsometry, Reflection

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Proceedings Article | 6 September 2017 Paper

Super-cool paints: optimizing composition with a modified four-flux model

Marc Gali , Matthew Arnold, Angus Gentle, Geoffrey Smith

Proceedings Volume 10369, 103690A (2017) https://doi.org/10.1117/12.2273548

KEYWORDS: Near infrared, Composites, Reflectivity, Data modeling, Particles, Sun, Buildings, Visible radiation, Backscatter, Absorption

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Proceedings Article | 6 September 2017 Paper

3D printable optical structures for sub-ambient sky cooling

A. Gentle, A. Nuhoglu, M. Arnold, G. Smith

Proceedings Volume 10369, 103690B (2017) https://doi.org/10.1117/12.2274568

KEYWORDS: 3D printing, Mirrors, Cones, Infrared radiation, Reflectors, Sun, Product engineering, Optical properties

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Proceedings Article | 30 August 2017 Presentation + Paper

Optical anisotropy due to perpendicular azimuth serial bideposition

Matthew Tai, Angus Gentle, Matthew Arnold, Geoffrey Smith

Proceedings Volume 10356, 103560L (2017) https://doi.org/10.1117/12.2273528

KEYWORDS: Anisotropy, Birefringence, Silicon, Nanostructures, Silicon films, Thin films, Polarization, Optical filters, Wave plates, Polarimetry

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Proceedings Article | 30 August 2017 Presentation + Paper

An advanced plasmonic cermet solar absorber for high temperature solar energy conversion applications

M. Bilokur, A. Gentle, M. Arnold, M. Cortie, G. Smith

Proceedings Volume 10356, 103560C (2017) https://doi.org/10.1117/12.2273598

KEYWORDS: Solar energy, Plasmonics, Absorption, Ellipsometry, Nanoparticles, Dielectrics, Gold, Silver, Aluminum nitride, Silica

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Proceedings Article | 22 December 2015 Paper

Optical properties of refractory TiN, AlN and (Ti,Al)N coatings

M. Bilokur, A. Gentle, M. Arnold, M. Cortie, G. Smith

Proceedings Volume 9668, 96685O (2015) https://doi.org/10.1117/12.2202403

KEYWORDS: Dielectrics, Optical coatings, Thin film coatings, Optical properties, Aluminum nitride, Composites, Nanolithography, Thin film devices, Thin films, Reflectivity, Refractive index, Reflection, Transmittance

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Proceedings Article | 22 December 2015 Paper

Plasmonic response in nanoporous metal: dependence on network topology

Marc Galí, Matthew Tai, Matthew Arnold, Michael Cortie, Angus Gentle, Geoffrey Smith

Proceedings Volume 9668, 96683S (2015) https://doi.org/10.1117/12.2202278

KEYWORDS: Silver, Aluminum, Refractive index, Optical spheres, Optical properties, Metals, Spherical lenses, Monte Carlo methods, Artificial intelligence, Plasmonics

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Proceedings Article | 24 September 2013 Paper

A critical hurdle to widespread use of polymer based luminescent solar concentrators

J. Franklin, G. Smith, A. Earp

Proceedings Volume 8825, 88250N (2013) https://doi.org/10.1117/12.2022802

KEYWORDS: Polymethylmethacrylate, Ultraviolet radiation, Absorption, Solar concentrators, Molecules, Polymers, Waveguides, Quenching (fluorescence), Scattering, Oxidation

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Proceedings Article | 19 September 2013 Paper

Modes of interaction between nanostructured metal and a conducting mirror as a function of separation and incident polarization

F. Bonnie, M. Arnold, G. Smith, A. Gentle

Proceedings Volume 8818, 881809 (2013) https://doi.org/10.1117/12.2022794

KEYWORDS: Mirrors, Silver, Metals, Thin films, Data modeling, Reflectivity, Nanostructuring, Particles, Absorption, Nanostructures

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SPIE Journal Paper | 10 May 2012

Green nanophotonics

Geoffrey Smith

JNP, Vol. 6, Issue 01, 061505, (May 2012) https://doi.org/10.1117/12.10.1117/1.JNP.6.061505

KEYWORDS: Nanophotonics, Solar energy, Nanostructures, Transmittance, Absorption, Polymers, Solar cells, Nanoparticles, Nanomaterials, Reflectivity

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Proceedings Article | 26 September 2011 Open Access

Green nanotechnology

Geoff Smith

Proceedings Volume 8104, 810402 (2011) https://doi.org/10.1117/12.893114

KEYWORDS: Nanostructures, Polymers, Reflectivity, Solar energy, Thermography, Nanotechnology, Buildings, Transmittance, Near infrared, Neodymium

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SPIE Journal Paper | 1 January 2011

Commentary: Environmental nanophotonics and energy

Geoffrey Smith

JNP, Vol. 5, Issue 01, 050301, (January 2011) https://doi.org/10.1117/12.10.1117/1.3549225

KEYWORDS: Nanophotonics, Nanoparticles, Polymers, Nanostructures, Transmittance, Solar energy, Reflectivity, Switches, Switching, Safety

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Proceedings Article | 18 May 2010 Paper

Optimized infra-red spectral response of surfaces for sub-ambient sky cooling as a function of humidity and operating temperature

A. Gentle, G. Smith

Proceedings Volume 7725, 77250Z (2010) https://doi.org/10.1117/12.853218

KEYWORDS: Tantalum, Humidity, Black bodies, Nanoparticles, Silicon carbide, Absorption, Einsteinium, Buildings, Solar energy, Reflectivity

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Proceedings Article | 4 September 2009 Paper

Angular selectivity: impact on optimised coatings for night sky radiative cooling

A. Gentle, G. Smith

Proceedings Volume 7404, 74040J (2009) https://doi.org/10.1117/12.825722

KEYWORDS: Nanoparticles, Absorption, Mirrors, Reflectivity, Silica, Silicon carbide, Tantalum, Multilayers, Phonons, Black bodies

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Proceedings Article | 21 August 2009 Paper

Comparisons of enhanced absorption in closely-coupled grating-mirror and random particle-mirror systems

Matthew Arnold, Geoffrey Smith

Proceedings Volume 7404, 740407 (2009) https://doi.org/10.1117/12.828125

KEYWORDS: Absorption, Particle systems, Nanostructured thin films, Current controlled current source, Plasmonics, Imaging systems, Plasmonic imaging, Optical filters, Mirrors, Surface plasmon polaritons

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SPIE Journal Paper | 1 February 2009 Open Access

Guest Editorial: Nanostructured Thin Films

Geoffrey Smith

JNP, Vol. 3, Issue 01, 031599, (February 2009) https://doi.org/10.1117/12.10.1117/1.3086489

KEYWORDS: Metals, Nanostructured thin films, Plasmonics, Thin films, Nanoparticles, Multilayers, Photonic crystals, Semiconductors, Gold, Dielectrics

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SPIE Journal Paper | 1 January 2009

Frequency and percolation dependence of the observed phase transition in nanostructured and doped VO2 thin films

Angus Gentle, Geoffrey Smith, Abbas Maaroof

JNP, Vol. 3, Issue 01, 031505, (January 2009) https://doi.org/10.1117/12.10.1117/1.3079405

KEYWORDS: Metals, Doping, Semiconductors, Transition metals, Data modeling, Thin films, Aluminum, Resistance, Switches, Technetium

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Proceedings Article | 10 September 2008 Paper

Frequency and percolation dependence of the observed phase transition in nanostructured and doped VO2 thin films

A. Gentle, G. Smith, A. Maaroof

Proceedings Volume 7041, 70410J (2008) https://doi.org/10.1117/12.792207

KEYWORDS: Doping, Metals, Technetium, Semiconductors, Data modeling, Transition metals, Thin films, Aluminum, Resistance, Switches

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Proceedings Article | 19 September 2007 Paper

Nanoporous plasmonic coatings

A. Maaroof, A. Gentle, M. Cortie, G. Smith

Proceedings Volume 6647, 66470D (2007) https://doi.org/10.1117/12.733195

KEYWORDS: Gold, Plasmonics, Metals, Thin films, Data modeling, Surface plasmons, Resistance, Monte Carlo methods, Plasma, Near field optics

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Proceedings Article | 18 September 2007 Paper

Optical and electrical switching in nanostructured coatings of VO2

Angus Gentle, Abbas Maaroof, Michael Cortie, Geoffrey Smith

Proceedings Volume 6647, 664709 (2007) https://doi.org/10.1117/12.733200

KEYWORDS: Doping, Aluminum, Metals, Semiconductors, Vanadium, Resistance, Switching, Technetium, Temperature metrology, Reflectivity

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SPIE Journal Paper | 1 February 2007

Metal-insulator nanocomposites which act optically like homogeneous conductors

Geoffrey Smith, Angus Gentle, Abbas Maaroof

JNP, Vol. 1, Issue 01, 013507, (February 2007) https://doi.org/10.1117/12.10.1117/1.2711706

KEYWORDS: Metals, Magnesium, Plasma, Gold, Composites, Data modeling, Dielectrics, Optical spheres, Ions, Nanocomposites

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Proceedings Article | 12 September 2006 Paper

Lighting simulations using smoothed LED profiles compared with measured profiles

Chris Deller, Jim Franklin, Geoff Smith

Proceedings Volume 6337, 63370X (2006) https://doi.org/10.1117/12.680246

KEYWORDS: Light emitting diodes, RGB color model, Monte Carlo methods, LED lighting, Waveguides, Ray tracing, Light sources and illumination, Diffusers, Modeling, Light

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Proceedings Article | 12 May 2006 Paper

Tuning plasma frequency for improved solar control glazing using mesoporous nanostructures

Geoff Smith, Abbas Maaroof, Annette Dowd, Angus Gentle, Michael Cortie

Proceedings Volume 6197, 61970T (2006) https://doi.org/10.1117/12.661198

KEYWORDS: Gold, Metals, Plasma, Plasmonics, Reflectivity, Thin films, Near infrared, Solar energy, Absorption, Particles

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Proceedings Article | 18 January 2006 Paper

Optical properties and applications to production of plasmonic thin film nanostructures of self-ordered columnar alumina arrays on glass

Angus Gentle, Abbas Maaroof, Geoff Smith, Michael Cortie

Proceedings Volume 6038, 603816 (2006) https://doi.org/10.1117/12.638126

KEYWORDS: Silver, Aluminum, Glasses, Etching, Data modeling, Transmittance, Optical properties, Metals, Reflectivity, Plasmonics

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Proceedings Article | 28 February 2005 Paper

Plasmonic heating of gold nanoparticles and its exploitation

Michael Cortie, Xiaoda Xu, Humayer Chowdhury, Hadi Zareie, Geoffrey Smith

Proceedings Volume 5649, (2005) https://doi.org/10.1117/12.582207

KEYWORDS: Particles, Gold, Nanoparticles, Absorption, Plasmons, Glasses, Plasmonics, Spherical lenses, Dielectrics, Nanorods

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Proceedings Article | 20 October 2004 Paper

Uniform white light distribution with low loss from colored LEDs using polymer-doped polymer mixing rods

Chris Deller, Geoff Smith, Jim Franklin

Proceedings Volume 5530, (2004) https://doi.org/10.1117/12.556282

KEYWORDS: Light emitting diodes, Particles, Diffusers, Polymethylmethacrylate, RGB color model, Polymers, Optical spheres, Organic light emitting diodes, Integrating spheres, Transmittance

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Proceedings Article | 2 August 2004 Paper

Optical response of nanostructured metal/dielectric composites and multilayers

Geoffrey Smith, Abbas Maaroof, Rodney Allan, Stefan Schelm, Geoffrey Anstis, Michael Cortie

Proceedings Volume 5508, (2004) https://doi.org/10.1117/12.555971

KEYWORDS: Metals, Surface plasmons, Gold, Silver, Particles, Nanostructuring, Transmittance, Thin films, Refractive index, Nanostructures

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Proceedings Article | 2 August 2004 Paper

Field profiles for spherical conductive nanoparticles and metallic-shell/dielectric-core nanocomposites

Stefan Schelm, Geoff Smith

Proceedings Volume 5509, (2004) https://doi.org/10.1117/12.555953

KEYWORDS: Particles, Optical spheres, Silver, Spherical lenses, Near field, Polarization, Solids, Interfaces, Nanoparticles, Dielectrics

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Proceedings Article | 14 November 2003 Paper

Light trapping in translucent samples and its effect on the hemispherical transmittance obtained by an integrating sphere

Jacob Jonsson, Arne Roos, Geoffrey Smith

Proceedings Volume 5192, (2003) https://doi.org/10.1117/12.508196

KEYWORDS: Light scattering, Scattering, Transmittance, Optical spheres, Sensors, Integrating spheres, Reflectivity, Signal detection, Reflection, Translucency

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Proceedings Article | 28 October 2003 Paper

Optical properties of dense self-assembled gold nanoparticle layers with organic linker molecules

Stefan Schelm, Geoff Smith, Gang Wei, Andrew Vella, Lech Wieczorek, Karl-H. Mueller, Burkhard Raguse

Proceedings Volume 5221, (2003) https://doi.org/10.1117/12.505603

KEYWORDS: Gold, Scanning electron microscopy, Optical properties, Nanoparticles, Data modeling, Molecules, Ellipsometry, Particles, Magnesium, Dielectrics

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Proceedings Article | 15 August 2003 Paper

Detection of salmonella using surfaced enhanced Raman scattering

Joseph Montoya, Robert Armstrong, Geoffrey Smith

Proceedings Volume 5085, (2003) https://doi.org/10.1117/12.487144

KEYWORDS: Surface enhanced Raman spectroscopy, Gold, Bacteria, Raman spectroscopy, Proteins, Raman scattering, Fractal analysis, Metals, Signal detection, Biological detection systems

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Proceedings Article | 24 June 2002 Paper

Nanostructured thin films: a critical review

Geoffrey Smith

Proceedings Volume 4806, (2002) https://doi.org/10.1117/12.472985

KEYWORDS: Metals, Particles, Nanoparticles, Dielectrics, Surface plasmons, Nanostructures, Thin films, Nanostructuring, Optical spheres, Nanostructured thin films

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Proceedings Article | 13 November 2001 Paper

Novel high-performance scattering materials for use in energy-saving light fittings and skylights based on polymer pigmented with polymer

Geoffrey Smith, Alan Earp, Jim Franklin, Geoffrey McCredie

Proceedings Volume 4458, (2001) https://doi.org/10.1117/12.448254

KEYWORDS: Polymers, Transmittance, Optical spheres, Diffusers, Scattering, Light scattering, Polymethylmethacrylate, Particles, Bidirectional reflectance transmission function, Sensors

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Proceedings Article | 13 November 2001 Paper

Plasmon-mediated visible and near-infrared transmission through sub-30-nm holes in metal films: potential in solar energy applications

Geoffrey Smith, Sijmen Gerritsen, Moazzem Hossain, Geoffrey McCredie

Proceedings Volume 4458, (2001) https://doi.org/10.1117/12.448263

KEYWORDS: Surface plasmons, Metals, Silver, Thin films, Photons, Gold, Transmittance, Solar energy, Absorption, Dielectrics

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Proceedings Article | 11 October 1999 Paper

Light-to-light efficiencies in luminescent solar concentrators

Paul Swift, Geoffrey Smith, Jim Franklin

Proceedings Volume 3789, (1999) https://doi.org/10.1117/12.367563

KEYWORDS: Absorption, Mirrors, Solar concentrators, Solar energy, Light sources and illumination, Quantum efficiency, Luminous efficiency, Solar cells, Energy efficiency, Dysprosium

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Proceedings Article | 11 October 1999 Paper

Production of angular-selective films by interdiffusion for novel spectral responses

A. K. Moazzem M. Hossain, Geoffrey Smith

Proceedings Volume 3789, (1999) https://doi.org/10.1117/12.367564

KEYWORDS: Aluminum, Annealing, Metals, Transmittance, Scanning electron microscopy, Absorption, Oxides, Visible radiation, Diffusion, Photomicroscopy

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Proceedings Article | 20 September 1996 Paper

Collective effects, nonlinear response, and critical switching intensity in densely doped composite materials

Yan Xue, Geoffrey Smith, Anthony Baker

Proceedings Volume 2893, (1996) https://doi.org/10.1117/12.252002

KEYWORDS: Refractive index, Switching, Composites, Waveguides, Particles, Picosecond phenomena, Nonlinear optics, Silica, Signal processing, Ions

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Proceedings Article | 1 September 1995 Paper

Anomalous optical scattering from intersecting fine particles

Alina Paley, Alex Radchik, Geoffrey Smith

Proceedings Volume 2541, (1995) https://doi.org/10.1117/12.218324

KEYWORDS: Particles, Composites, Spherical lenses, Optical spheres, Scattering, Reflectivity, Absorption, Electromagnetic scattering, Solids, Dielectrics

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Proceedings Article | 23 August 1995 Paper

Low-emittance angular selective window systems

Geoffrey Smith, S. Dligatch, M. Ng

Proceedings Volume 2531, (1995) https://doi.org/10.1117/12.217340

KEYWORDS: Transmittance, Visible radiation, Glasses, Solar radiation, Visualization, Reflectivity, Solar energy, Metals, Oxides, Silver

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Proceedings Article | 9 September 1994 Paper

Electrochromism in sol-gel deposited TiO2 films

John Bell, Joanna Barczynska, L. Evans, Kathleen MacDonald, J. Wang, David Green, Geoffrey Smith

Proceedings Volume 2255, (1994) https://doi.org/10.1117/12.185374

KEYWORDS: Titanium, Absorption, Thin film coatings, Sol-gels, Tungsten, Transmittance, Bioalcohols, Metals, Oxides, Reflectivity

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Proceedings Article | 22 October 1993 Paper

Assessment of electrochromic devices based on sol-gel deposited films

John Bell, Geoffrey Smith, David Green, Joanna Barczynska, L. Evans, Kathleen MacDonald, G. Voelkel, B. West, L. Spiccia

Proceedings Volume 2017, (1993) https://doi.org/10.1117/12.161953

KEYWORDS: Sol-gels, Switching, Transmittance, Ions, Electrodes, Tungsten, Liquids, Oxides, Polymers, Thin film devices

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Proceedings Article | 22 October 1993 Paper

Optimization of the electrical and optical properties of ITO layers deposited by magnetron sputtering

Geoff Cochrane, Zhitao Zheng, Geoffrey Smith

Proceedings Volume 2017, (1993) https://doi.org/10.1117/12.161983

KEYWORDS: Sputter deposition, Transmittance, Optical properties, Oxygen, Reflectivity, Resistance, Tin, Ions, Visible radiation, Argon

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Proceedings Article | 22 October 1993 Paper

Fine tuning the spectral response of metal insulator composites for specific solar applications

Geoffrey Smith, M. Ng, A. Reuben, Alex Radchik, S. Dligatch

Proceedings Volume 2017, (1993) https://doi.org/10.1117/12.161982

KEYWORDS: Metals, Absorption, Particles, Silver, Aluminum, Dielectrics, Composites, Transmittance, Visible radiation, Curium

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Proceedings Article | 25 November 1992 Paper

Microstructure and stoichiometry effects in electrochromic sol-gel deposited tungsten oxide films

David Green, John Bell, Geoffrey Smith

Proceedings Volume 1728, (1992) https://doi.org/10.1117/12.130545

KEYWORDS: Tungsten, Oxides, Sol-gels, Carbon, Thin film coatings, Hydrogen, Spectroscopy, Scattering, Indium, Tin

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Proceedings Article | 1 December 1991 Paper

Structure and properties of electrochromic WO3 produced by sol-gel methods

John Bell, David Green, A. Patterson, Geoffrey Smith, Kathleen MacDonald, K. Lee, L. Kirkup, J. Cullen, B. West, L. Spiccia, M. Kenny, L. Wielunski

Proceedings Volume 1536, (1991) https://doi.org/10.1117/12.49211

KEYWORDS: Sol-gels, Carbon, Tungsten, Oxides, Ions, Solar energy, Optical properties, Transmittance, Energy efficiency, Thin film coatings

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Proceedings Article | 1 December 1991 Paper

Angular-selective cermet films produced from a magnetically filtered cathodic arc

Geoffrey Smith, M. Ng, Robert Ditchburn, Philip Martin, Roger Netterfield

Proceedings Volume 1536, (1991) https://doi.org/10.1117/12.49218

KEYWORDS: Transmittance, Solar energy, Chromium, Metals, Aluminum, Oxygen, Energy efficiency, Titanium, Silver, Visible radiation

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Showing 5 of 46 publications

Proceedings Volume Editor (3)

SPIE Conference Volume | 20 August 2009

Nanostructured Thin Films II

SPIE Conference Volume | 28 August 2008

Nanostructured Thin Films

SPIE Conference Volume | 6 September 2007

Nanocoatings

Conference Committee Involvement (25)

Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX

20 August 2023 | San Diego, California, United States

Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XIX

21 August 2022 | San Diego, California, United States

Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVIII

1 August 2021 | San Diego, California, United States

Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII

24 August 2020 | Online Only, California, United States

Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVI

11 August 2019 | San Diego, California, United States

Nanostructured Thin Films XI

22 August 2018 | San Diego, California, United States

Nanostructured Thin Films X

9 August 2017 | San Diego, California, United States

Nanostructured Thin Films IX

30 August 2016 | San Diego, California, United States

Nanostructured Thin Films VIII

12 August 2015 | San Diego, California, United States

Nanostructured Thin Films VII

20 August 2014 | San Diego, California, United States