1. University of Kent

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    1. Mentioned In 234 Articles

    5. Supercontinuum in the practice of Optical Coherence Tomography with emphasis on noise effects (Thesis)

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      Supercontinuum in the practice of Optical Coherence Tomography with emphasis on noise effects (Thesis)
      Optical Coherence Tomography (OCT) is an imaging modality which has proven, since the early 1990s, its incredible potential. Nowadays, numerous fields of medical investigation, such as Ophthalmology, Dermatology or Cardiovascular imaging, would not be the same without the diagnostic tools bring by OCT. This tremendous development has been supported by industry support through improvement of dedicated components such as lasers, cameras and optics. A great example of this development is ...
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      Mentions: University of Kent

    6. Complex master-slave for long axial range swept-source optical coherence tomography

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      Complex master-slave for long axial range swept-source optical coherence tomography
      Using complex master-slave interferometry, we demonstrate extended axial range optical coherence tomography for two commercially available swept sources, well beyond the limit imposed by their k -clocks. This is achieved without k -domain re-sampling and without engaging any additional Mach-Zehnder interferometer providing a k -clock signal to the digitizer. An axial imaging range exceeding 17 mm with an attenuation of less than 30 dB is reported using two commercially available ...
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      Mentions: Adrian G. Podoleanu University of Kent Adrian Bradu

    7. Recovering distance information in spectral domain interferometry

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      Recovering distance information in spectral domain interferometry
      This work evaluates the performance of the Complex Master Slave (CMS) method, that processes the spectra at the interferometer output of a spectral domain interferometry device without involving Fourier transforms (FT) after data acquisition. Reliability and performance of CMS are compared side by side with the conventional method based on FT, phase calibration with dispersion compensation (PCDC). We demonstrate that both methods provide similar results in terms of resolution and ...
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      Mentions: Adrian G. Podoleanu University of Kent Adrian Bradu

    8. Real‐time High‐Resolution Mid‐infrared Optical Coherence Tomography

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      Real‐time High‐Resolution Mid‐infrared Optical Coherence Tomography
      The potential for improving the penetration depth of optical coherence tomography systems by using increasingly longer wavelength light sources has been known since the inception of the technique in the early 1990s. Nevertheless, the development of mid‐infrared optical coherence tomography has long been challenged by the maturity and fidelity of optical components in this spectral region, resulting in slow acquisition, low sensitivity, and poor axial resolution. In this work ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    9. Mitigation of Speckle Noise in Optical Coherence Tomograms

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      Mitigation of Speckle Noise in Optical Coherence Tomograms
      Optical Coherence Tomography (OCT) is a promising high-resolution imaging technique that works based on low coherent interferometry. However, like other low coherent imaging modalities, OCT suffers from an artifact called, speckle. Speckle reduces the detectability of diagnostically relevant features in the tissue. Retinal optical coherence tomograms are of a great importance in detecting and diagnosing eye diseases. Different hardware or software based techniques are devised in literatures to mitigate speckle ...
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      Mentions: Adrian G. Podoleanu University of Kent Saba Adabi

    12. Group refractive index and group velocity dispersion measurement by complex master slave interferometry

      Explore OSA | OSA Publishing
      Group refractive index and group velocity dispersion measurement by complex master slave interferometry
      This paper demonstrates that the complex master slave interferometry ( CMSI ) method used in spectral domain interferometry ( SDI ) can efficiently be used for accurate refractive index and group velocity dispersion measurements of optically transparent samples. For the first time, we demonstrate the relevance of the phase information delivered by CMSI for dispersion evaluations with no need to linearize data. The technique proposed here has been used to accurately measure the group ...
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      Mentions: Adrian G. Podoleanu University of Kent Adrian Bradu

    14. Multispectral photoacoustic microscopy and optical coherence tomography using a single supercontinuum source

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      Multispectral photoacoustic microscopy and optical coherence tomography using a single supercontinuum source
      We report on the use of a single supercontinuum (SC) source for multimodal imaging. The 2-octave bandwidth (4752300 nm) makes the SC source suitable for optical coherence tomography (OCT) as well as for multispectral photoacoustic microscopy (MPAM). The IR band centered at 1310 nm is chosen for OCT to penetrate deeper into tissue with 8 mW average power on the sample. The 500840 nm band is used for MPAM. The ...
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      Mentions: Adrian G. Podoleanu University of Kent Adrian Bradu

    16. Q-switched based supercontinuum source towards low-cost ultra-high resolution optical coherence tomography

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      Q-switched based supercontinuum source towards low-cost ultra-high resolution optical coherence tomography
      Supercontinuum (SC) light source is certainly one of the best option for ultra-high resolution optical coherence tomography (UHR-OCT). Over the last few years several demonstrations have been done for each commonly used wavelength range [1-2-3]. Nowadays, SC dedicated to UHR-OCT is a mature technology with turn-key commercially available system [4]. The new challenge to answer for SC source is the cost reduction one. In this study, we demonstrate that a ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)
    17. 1-15 of 234 1 2 3 4 ... 14 15 16 »
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  4. About University of Kent

    University of Kent

    University of Kent is a UK higher education institution founded in 1965 and funded by the Higher Education Funding Council for England. There are campus at Cantebury (main campus), Medway, Brussels, Tonbridge, and Transmache.  The Applied Optics Group at the University of Kent school of physical sciences. Research areas include: Optical sensors, Optical fibre sensors, Medical sensors and imaging, Optical coherence tomography, Adaptive optics, Components for optical communications and sensors, Theory, Electro-optical, acousto-optical micro-structures, and Forensics.

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