Browsing School of Physics by publication year
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sDR code
Published 2013-01-01The code solves the Sachs equations in a similar fashion as the Dyer-Roeder approximation but in addition it allows to account for the null shearing.Open AccessSoftware -
Radiation damage on sub-cellular scales: Beyond DNA
Published 2013-02-01This study investigates a model cell as a target for low-dose radiation using Monte Carlo simulations. Mono-energetic electrons and photons are used with initial energies between 10 and 50 keV, relevant to out-of-field ...Open AccessArticle -
Highly deformable optical fibers made of polyurethane: OAM generation, tunable metamaterials and sensors
Published 2017Polyurethane has a Young’s modulus three orders of magnitude lower than silica and can be stretched up to 600%. We report the fabrication of polyurethane optical fibers for applications from THz to the visible. We exploit ...Open AccessConference paper -
Flexible optical fiber sensor based on polyurethane
Published 2017Polyurethane (PU) based hollow core fibers are investigated as optical sensors. The flexibility of PU fibers makes it suitable for sensing mechanical perturbations. We fabricated a PU fiber using the fiber drawing method, ...Open AccessConference paper -
Orbital angular momentum modes by twisting of a hollow core antiresonant fiber
Published 2017Generation and use of orbital angular momentum (OAM) of light is finding more and more interest in a wide variety of fields of photonics: communications, optical trapping, quantum optics, and many more [1]. In the investigation ...Open AccessConference paper -
Deformable wire array: fiber drawn tunable metamaterials
Published 2017By fiber drawing we fabricate a wire array metamaterial, the structure of which can be actively modified. The plasma frequency can be tuned by 50% by compressing the metamaterial; recovers when released and the process can ...Open AccessConference paper -
Measurement of weak low frequency pressure signal using stretchable polyurethane fiber sensor for application in wearables
Published 2017The practical realization of low Young’s modulus Polyurethane (PU) based optical fibers offers new possibilities for sensing on bodies due to its bio-compatibility and high material sensitivity. Here, we experimentally ...Open AccessConference paper -
Tunable Metamaterials Fabricated by Fiber Drawing
Published 2017We demonstrate a practical scalable approach to the fabrication of tunable metamaterials. Designed for terahertz (THz) wavelengths, the metamaterial is comprised of polyurethane filled with an array of indium wires using ...Open AccessArticle -
Wearable polyurethane optical fiber based sensor for breathing monitoring
Published 2018We experimentally demonstrate a wearable breathing monitoring sensor based on a polyurethane (PU) optical fiber. The mechanical flexibility of the PU fiber allows for the simple measurement of inhalation and exhalation ...Open AccessConference paper -
OAM generation, tunable metamaterials and sensors with highly deformable fibers
Published 2018A flexible fiber-drawn material, i.e. polyurethane, allows for novel applications from THz to the visible. We exploit its elastic properties to generate orbital angular momentum modes, to make pressure sensors and to ...Open AccessConference paper -
Stationary and Dynamical Properties of Pure-Quartic Solitons
Published 2019We numerically solve a generalized nonlinear Schrödinger equation and find a family of pure-quartic solitons, existing through a balance of positive Kerr nonlinearity and negative quartic dispersion. These solitons have ...Open AccessArticle -
Thermally Drawn Polycaprolactone Fibres with Customised Cross Sections
Published 2019There is growing demand for biodegradable polymer fibres in tissue engineering and nerve regeneration. We demonstrate a scalable and inexpensive fabrication technique to produce polycaproactone (PCL) fibres using fibredrawing ...Open AccessConference paper -
Thermally Drawn Biodegradable Fibers with Tailored Topography for Biomedical Applications
Published 2020There is a growing demand for polymer fiber scaffolds for biomedical applications and tissue engineering. Biodegradable polymers such as polycaprolactone have attracted particular attention due to their applicability to ...Open AccessArticle -
Pulse wave velocity measurement with soft-polymer optical fibers for wearable continuous blood pressure monitoring
Published 2020Soft-polymer fibers allow strong conformal contact with the skin and are extremely sensitive for deformation, despite high propagation loss. This enables pulse wave velocities measurements. Blood pressure can then be ...Open AccessConference paper -
Generalized dispersion Kerr solitons
Published 2020We report a continuum of pulse-like soliton solutions to the generalized nonlinear Schr ̈odinger equation with both quadratic and quartic dispersion and a Kerr nonlinearity. We show that the well-known nonlinear Schr ...Open AccessArticle -
Multimaterial and Flexible Devices Made by Fiber Drawing
Published 2020The ability to co-process different materials at the same time in a thermal process opens up the possibility of scalable fabrication of volumetric multimaterial and multifunctional devices with operation spanning from the ...Open AccessConference paper -
Self-similar propagation of optical pulses in fibers with positive quartic dispersion
Published 2020We study the propagation of ultrashort pulses in optical fiber with gain and positive (or normal) quartic dispersion by self-similarity analysis of the modified nonlinear Schrödinger equation. We find an exact asymptotic ...Open AccessArticle -
Country to country extinction-risk footprint data
Published 2020-10-16This file provides detailed information on the flow of territorial extinction-risk footprint (in the rows) to consumption extinction-risk footprint (in the columns) for 189 countries globallyOpen AccessDataset -
Concordance to link IUCN Red List Threats to CPC economic sectors
Published 2020-10-16This concordance was used to connect IUCN Red List Threat data to economic sectors, classified according to the UN Statistics Division's Central Product Classification.Open AccessDataset -
Sustainability or Sustainable Infrastructure? Using sustainability discourse to construct a motorway
Published 2020-11-02WestConnex is a 33km, A$16.8bn motorway under construction in Sydney. It is promoted by the state government as an example of excellent ‘sustainable infrastructure’. We explore the use of sustainability discourse to explain ...Open AccessArticle