Articles that mention University of Kent -Optical Coherence Tomography News

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1. Mentioned In 244 Articles
2. En-face optical coherence tomography/fluorescence endomicroscopy for minimally invasive imaging using a robotic scanner
  
  Explore SPIE Digital Library Jun 26 2019 Dermatology , Pulmonology
  
  We report a compact rigid instrument capable of delivering en-face optical coherence tomography (OCT) images alongside (epi)-fluorescence endomicroscopy (FEM) images by means of a robotic scanning device. Two working imaging channels are included: one for a one-dimensional scanning, forward-viewing OCT probe and another for a fiber bundle used for the FEM system. The robotic scanning system provides the second axis of scanning for the OCT channel while allowing the ...
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  Mentions: Imperial College London Adrian G. Podoleanu University of Kent
3. Photothermal optical coherence tomography for investigation and imaging photothermal trapping of gold nano-rods in clear media and biological tissue
  
  Explore IOPscience Jun 24 2019
  
  A quantitative spectrometer-based photothermal optical coherence tomography (PT-OCT) system is employed to investigate and image the photothermal trapping of gold nano-rods (GNRs) in clear and biological media. The PT-OCT system is calibrated through dynamic phase measurements of piezo motion with known driving parameters. We measure and compare the displacement sensitivities of the PT-OCT system at different camera exposure time settings in two configurations: with a distinct reference path; and with ...
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  Mentions: George M. Dobre Adrian G. Podoleanu University of Kent
4. Quantitative assessment of rat bone regeneration using complex master-slave optical coherence tomography
  
  Explore Home Jun 1 2019
  
  ackground: The need for hard and soft tissues in oral implantology determined the development of methods and techniques to increase bone volume and their quality with different alternative materials used as substituents of patients natural bone. In addition, laser radiation can be used to accelerate the repair of fractures and to produce an increased volume of formed callus, as well as an increased bone mineral density. Methods: The aim of ...
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  Mentions: Adrian G. Podoleanu University of Kent Adrian Bradu
5. Progress in Multimodal En Face Imaging: feature introduction
  
  Explore OSA | OSA Publishing May 16 2019
  
  This feature issue contains papers that report on the most recent advances in the field of en face optical coherence tomography (OCT) and of combinations of modalities facilitated by the en face view. Hardware configurations for delivery of en face OCT images are described as well as specific signal and image processing techniques tailored to deliver relevant clinical diagnoses. The value of the en face perspective for enabling multimodality is ...
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  Mentions: Joseph A. Izatt Duke University Adrian G. Podoleanu
6. Feature Of The Week 04/28/2019: Real-Time High-ResolutionMid-Infrared OCT
  
  Explore Optical Coherence Tomography News Apr 28 2019 NDE/NDT
  
  The potential for improving the penetration depth of optical coherence tomography systems by using light sources with longer wavelengths 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, a ...
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  Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)
7. Optical Coherence Tomography Investigations and Modeling of the Sintering of Ceramic Crowns
  
  Explore MDPI Open Access Journals Platform Mar 21 2019 Dentistry
  
  Dental prostheses are sintered in ovens that sometimes suffer from a loss of calibration. This can lead to variations of the sintering temperature outside the range recommended by the manufacturer. Stress and even fractures in dental ceramics may occur, and this leads to the necessity to rebuild the dental construct. The aim of this work is to monitor the quality of sintering processes using an established biomedical imaging techniqueoptical coherence ...
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  Mentions: Adrian G. Podoleanu University of Kent Cosmin Sinescu
8. Akinetic swept laser apparatus and method for fast sweeping of the same
  
  Explore uspto.gov Feb 19 2019 Patents
  
  A detuned resonant mechanism is employed in a laser cavity to modulate in frequency the mode-locking mechanism to achieve high frequency tuning rates, exceeding MHz. The configuration of the laser is compatible with working at sweeping rates close to multiples of the cavity resonance frequency as well as with buffering for increased tuning speeds.
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  Mentions: Adrian G. Podoleanu University of Kent
9. Down-conversion en-face optical coherence tomography
  
  Explore OSA | OSA Publishing Jan 29 2019
  
  We present an optical coherence tomography (OCT) method that can deliver an en-face OCT image from a sample in real-time, irrespective of the tuning speed of the swept source. The method, based on the master slave interferometry technique, implements a coherence gate principle by requiring that the optical path difference (OPD) between the arms of an imaging interferometer is the same with the OPD in an interrogating interferometer. In this ...
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  Mentions: Adrian G. Podoleanu University of Kent Adrian Bradu
10. Noise of supercontinuum sources in spectral domain optical coherence tomography
  
  Explore OSA | OSA Publishing Jan 24 2019 Broadband Sources
  
  In this paper, we investigate the effect of pulse-to-pulse fluctuations of supercontinuum sources on the noise in spectral domain optical coherence tomography (OCT) images. The commonly quoted theoretical expression for the OCT noise is derived for a thermal light source, which is not suitable if a supercontinuum light source is used. We therefore propose a new, measurement-based OCT noise model that predicts the noise without any assumptions on the type ...
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  Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)
11. Real-time high-resolution mid-infrared optical coherence tomography
  
  Explore Nature Publishing Group Jan 23 2019
  
  The potential for improving the penetration depth of optical coherence tomography systems by using light sources with longer wavelengths 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, a ...
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  Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)
12. PhD Opening in Applied Optics at University of Kent
  
  Explore Optical Coherence Tomography News Dec 22 2018 Jobs & Studentships
  
  ...y and real time navigation.
  
  The successful candidate will be based at the University of Kent’s main campus in Canterbury as part of the Applied Optics Group, and work under the s...
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  Mentions: Adrian G. Podoleanu University of Kent
13. PhD Opening in Fibre-Based Holographic Imaging at University of Kent
  
  Explore Optical Coherence Tomography News Dec 22 2018 Jobs & Studentships
  
  ...k can be adapted to the interests and skills of the candidate. The successful candidate will be based at the University of Kent’s main campus in Canterbury as part of the Applied Optics Group, and work under the co-supe...
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  Mentions: Adrian G. Podoleanu University of Kent
14. PhD Opening in Optical Coherence Tomography at University of Kent
  
  Explore Optical Coherence Tomography News Dec 22 2018 Jobs & Studentships
  
  ...rk can be adapted to the interests and skills of the candidate. The successful candidate will be based at the University of Kent’s main campus in Canterbury as part of the Applied Optics Group, and work under the co-supe...
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  Mentions: Adrian G. Podoleanu University of Kent
15. Supercontinuum in the practice of Optical Coherence Tomography with emphasis on noise effects (Thesis)
  
  Explore Welcome to Kent Academic Repository Dec 19 2018 Broadband Sources , Student Theses
  
  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
16. Complex master-slave for long axial range swept-source optical coherence tomography
  
  Explore OSA | OSA Publishing Dec 4 2018
  
  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
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