Now showing items 1-20 of 231

  • An acoustical investigation of the concert harp 

    Bell, Alexander J. (University of St Andrews, 1988) - Thesis
    This thesis is a report of acoustical research on the concert harp. The harp has an established place in the symphony orchestra and is reacquiring its role as a solo chamber instrument that it had before the development ...
  • Active slow light in silicon photonic crystals : tunable delay and Raman gain 

    Rey, Isabella H. (University of St Andrews, 2012-11-30) - Thesis
    In the past decade, great research effort was inspired by the need to realise active optical functionalities in silicon, in order to develop the full potential of silicon as a photonic platform. In this thesis we explore ...
  • Advanced light-sheet and structured illumination microscopy techniques for neuroscience and disease diagnosis 

    Nylk, Jonathan (University of St Andrews, 2016-11-30) - Thesis
    Optical microscopy is a cornerstone of biomedical research. Advances in optical techniques enable specific, high resolution, sterile, and biologically compatible imaging. In particular, beam shaping has been used to tailor ...
  • Advanced methods for enhanced sensing in biomedical Raman spectroscopy 

    Balagopal, Bavishna (University of St Andrews, 2014-06-25) - Thesis
    Raman spectroscopy is a powerful tool in the field of biomedicine for disease diagnosis owing to its potential to provide the molecular fingerprint of biological samples. However due to the inherent weak nature of the ...
  • Advanced multimodal methods in biomedicine : Raman spectroscopy and digital holographic microscopy 

    McReynolds, Naomi (University of St Andrews, 2017-12-07) - Thesis
    Moving towards label-free technologies is essential for many clinical and research applications. Raman spectroscopy is a powerful tool in the field of biomedicine for label-free cell characterisation and disease diagnosis, ...
  • Advanced optical techniques to study biomolecular aggregation processes 

    Quinn, Steven D. (University of St Andrews, 2014-06-25) - Thesis
    Alzheimer’s disease (AD) is characterised by a series of biomolecular aggregation events, which include the formation of neurotoxic protein structures composed of the β-amyloid (Aβ) peptide. In this thesis, fluorescence ...
  • Advanced photonic methodologies for the 'in vitro' manipulation of cellular systems 

    McDougall, Craig (University of St Andrews, 2011) - Thesis
    This thesis investigates the application of a variety of optical techniques for the manipulation of single cells and their local micro-environment. The methodologies developed provide enhanced control over a single cell ...
  • Advanced techniques in Raman tweezers microspectroscopy for applications in biomedicine 

    Jess, Phillip R.T. (University of St Andrews, 2007-11-30) - Thesis
    This thesis investigates the use of Raman tweezers microspectroscopy to interrogate the biochemistry of single biological cells. Raman tweezers microspectroscopy is a powerful technique, which combines traditional Raman ...
  • All-optical manipulation of photonic membranes 

    Kirkpatrick, Blair Connell (University of St Andrews, 2017-06-21) - Thesis
    Optical tweezers have allowed us to harness the momentum of light to trap, move, and manipulate microscopic particles with Angstrom-level precision. Position and force feedback systems grant us the ability to feel the ...
  • Alternative techniques for the production and manipulation of ultracold atoms 

    Bruce, Graham D. (University of St Andrews, 2012-06-20) - Thesis
    This Thesis contains details of the construction and characterisation of a compact apparatus for the cooling of ultracold atoms to quantum degeneracy, and their manipulation in flexible holographic optical traps. We have ...
  • The application of quasi-optical techniques to millimetre wave radar 

    Leeson, Michael. J. (University of St Andrews, 1993) - Thesis
    The application of Quasi Optical techniques has been of great benefit to the field of instrumentation for frequencies between 750Hz and several hundred OHz. The application of Quasi Optical techniques to millimetre wave ...
  • The application of spontaneous parametric downconversion to develop tools for validating photonic quantum information technologies 

    Thomas, Peter James (University of St Andrews, 2010-11-30) - Thesis
    This portfolio of work contributes to the remit of the National Physical Laboratory (NPL) to develop the underpinning expertise and tools for validating nascent and future optical quantum technologies based on the discrete ...
  • Applications of microfluidic chips in optical manipulation & photoporation 

    Marchington, Robert F. (University of St Andrews, 2010-10-01) - Thesis
    Integration and miniaturisation in electronics has undoubtedly revolutionised the modern world. In biotechnology, emerging lab-on-a-chip (LOC) methodologies promise all-integrated laboratory processes, to perform complete ...
  • Applications of microfluidics and optical manipulation for photoporation and imaging 

    Rendall, Helen A. (University of St Andrews, 2015-06-24) - Thesis
    Optical manipulation covers a wide range of techniques to guide and trap cells using only the forces exerted by light. Another optical tool is photoporation, the technique of injecting membrane-impermeable molecules using ...
  • Atom guiding in free-space light beams and photonic crystal fibres 

    Livesey, John Gregor (University of St Andrews, 2007) - Thesis
    In this thesis I describe experimental work and present data on the guiding of Rubidium atoms along free-space propagating light beams as well as within hollow core glass fibres, namely photonic crystal fibres. I describe ...
  • Biophysical aspects of photodynamic therapy 

    Valentine, Ronan (University of St Andrews, 2011-11-30) - Thesis
    Photodynamic therapy (PDT) is a multimodality cancer treatment available for the palliation or eradication of systemic and cutaneous malignancies. In this thesis, the application of PDT is for the treatment of non-melanoma ...
  • Characterisation of materials for organic photovoltaics 

    Thomsen, Elizabeth Alice (University of St Andrews, 2008-06) - Thesis
    Organic solar cells offer the possibility for lightweight, flexible, and inexpensive photovoltaic devices. This thesis studies the physics of a wide range of materials designed for use in organic solar cells. The materials ...
  • Characterisation of organic materials for photovoltaic devices 

    Lewis, Andrew J. (University of St Andrews, 2006-09-20) - Thesis
    This thesis presents an investigation into a wide range of potential materials for organic photovoltaic (PV) devices. A variety of optical techniques are used to define physical parameters for each material such as the ...
  • Circuits and systems for CW and pulsed high-field electron spin resonance 

    David Robert, Bolton (University of St Andrews, 2006) - Thesis
    This thesis is concerned with the design and realisation of components for a new state of the art 94GHz Electron Spin Resonance (ESR) spectrometer capable of operating in both pulsed and CW modes. The complete spectrometer ...
  • Close range passive millimetre wave imaging 

    Macfarlane, David G. (University of St Andrews, 2003-05) - Thesis
    This thesis describes the design and construction of a close range Passive Millimetre Wave (PMMW) scanning thermal imager. Whilst close range PMMW imager has previously been applied to concealed weapon detection at ranges ...