1. Christian T. A. Brown

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    1. Mentioned In 5 Articles

    2. Internal physiology of live krill revealed using new aquaria techniques and mixed optical microscopy and optical coherence tomography (OCT) imaging techniques

      Internal physiology of live krill revealed using new aquaria techniques and mixed optical microscopy and optical coherence tomography (OCT) imaging techniques
      The accurate observation of physiological changes on in vivo samples of important animal species such as Euphausia superba (Antarctic krill) is an important goal in helping to understand how environmental changes can affect animal development. Using a custom made krill trap, live un-anaesthetized krill were confined for seven hours, during which three hours of optical imaging were obtained and no subsequent ill effects observed. The trap enabled two imaging methods ...
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    3. The Application of Optical Coherence Tomography to Image Subsurface Tissue Structure of Antarctic Krill Euphausia superba

      The Application of Optical Coherence Tomography to Image Subsurface Tissue Structure of Antarctic Krill Euphausia superba
      Many small open ocean animals, such as Antarctic krill, are an important part of marine ecosystems. To discover what will happen to animals such as krill in a changing ocean, experiments are run in aquaria where conditions can be controlled to simulate water characteristics predicted to occur in the future. The response of individual animals to changing water conditions can be hard to observe, and with current observation techniques it ...
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    4. Tissue surface as the reference arm in Fourier domain optical coherence tomography

      Tissue surface as the reference arm in Fourier domain optical coherence tomography
      We present a simple method applicable to common-path Fourier domain optical coherence tomography (OCT) in which the tissue surface is used as the reference arm. We propose using aluminium hydroxide powder as a potential tissue surface diffuser to allow wider application of this method. This technique allows one to avoid placing a reference arm reflective element, such as glass plate, on tissue, and intrinsically avoids both coherent and complex conjugate ...
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    5. In-fiber common-path optical coherence tomography using a conical-tip fiber

      In-fiber common-path optical coherence tomography using a conical-tip fiber
      Common-path optical coherence tomography (CPOCT) is known to reduce group velocity dispersion and polarization mismatch between the reference and the sample arm as both arms share the same physical path. Existing implementations of CPOCT typically require one to incorporate an additional cover glass within the beam path of the sample arm to provide a reference signal. In this paper, we aim to further reduce this step by directly making use ...
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  2. About Christian T. A. Brown

    Christian T. A. Brown

    Tom Brown is a Reader in Photonics at the School of Physics and Astronomy at the University of St. Andrews. As well as working the development and application of ultrafast solid state lasers, he also matins a diverse research portfolio in biophotonics including Raman imaging, OCT and the treatment of skin cancer using light based techniques.