1. University of Kent

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    1. Mentioned In 272 Articles

    3. Dual resonance akinetic dispersive cavity swept source at 900 kHz using a cFBG and an intensity modulator

      Explore Optica Publishing Group Tunable Sources
      Dual resonance akinetic dispersive cavity swept source at 900 kHz using a cFBG and an intensity modulator
      In this paper, a fast dual resonance akinetic optical swept source operating at 1550 nm is demonstrated. Instead of modulating the optical amplifier gain reported in our previous studies, here we employ a fiber intensity modulator as a mode-locking element. A chirped fiber Bragg grating is used to provide sufficient dispersion in the laser cavity. A tuning range of 25 nm is obtained for a sweep frequency of 900 kHz ...
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      Mentions: University of Kent

    6. Endoscopic en-face optical coherence tomography and fluorescence imaging using correlation-based probe tracking

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      Endoscopic en-face optical coherence tomography and fluorescence imaging using correlation-based probe tracking
      Forward-viewing endoscopic optical coherence tomography (OCT) provides 3D imaging in vivo , and can be combined with widefield fluorescence imaging by use of a double-clad fiber. However, it is technically challenging to build a high-performance miniaturized 2D scanning system with a large field-of-view. In this paper we demonstrate how a 1D scanning probe, which produces cross-sectional OCT images (B-scans) and 1D fluorescence T-scans, can be transformed into a 2D scanning probe ...
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      Mentions: University of Kent

    7. Endoscopic en-face optical coherence tomography and fluorescence imaging using correlation-based probe tracking

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      Endoscopic en-face optical coherence tomography and fluorescence imaging using correlation-based probe tracking
      Forward-viewing endoscopic optical coherence tomography (OCT) provides 3D imaging in vivo, and can be combined with widefield fluorescence imaging by use of a double-clad fiber. However, it is technically challenging to build a high-performance miniaturized 2D scanning system with a large field-of-view. In this paper we demonstrate how a 1D scanning probe, which produces cross-sectional OCT images (B-scans) and 1D fluorescence T-scans, can be transformed into a 2D scanning probe ...
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      Mentions: University of Kent

    9. A novel 3D printed hollow microneedle microelectromechanical system for controlled, personalized transdermal drug delivery

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      A novel 3D printed hollow microneedle microelectromechanical system for controlled, personalized transdermal drug delivery
      The advancement of drug delivery devices is critical for the individualization of patient treatment and the improvement of healthcare. Here, we introduce the 3DMNMEMS, a novel device that combines 3D printing, microneedles (MNs) and Microelectromechanical Systems (MEMS), allowing versatile and controllable by the user transdermal drug delivery. Hollow MNs were designed and 3D printed using Stereolithography, followed by integrating into a MEMS. By employing advanced imaging techniques, we monitored the ...
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      Mentions: University of Kent Chinese Academy of Sciences

    10. Computational Methods for Image Acquisition and Analysis with Applications in Optical Coherence Tomography

      Explore Welcome to Kent Academic Repository Student Theses
      Computational Methods for Image Acquisition and Analysis with Applications in Optical Coherence Tomography
      The computational approach to image acquisition and analysis plays an important role in medical imaging and optical coherence tomography (OCT). This thesis is dedicated to the development and evaluation of algorithmic solutions for better image acquisition and analysis with a focus on OCT retinal imaging. For image acquisition, we first developed, implemented, and systematically evaluated a compressive sensing approach for image/signal acquisition for single-pixel camera architectures and an OCT ...
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      Mentions: University of Kent

    11. Optimization of X-ray Investigations in Dentistry Using Optical Coherence Tomography

      Explore MDPI Open Access Journals Platform Dentistry
      Optimization of X-ray Investigations in Dentistry Using Optical Coherence Tomography
      The most common imaging technique for dental diagnoses and treatment monitoring is X-ray imaging, which evolved from the first intraoral radiographs to high-quality three-dimensional (3D) Cone Beam Computed Tomography (CBCT). Other imaging techniques have shown potential, such as Optical Coherence Tomography (OCT). We have recently reported on the boundaries of these two types of techniques, regarding. the dental fields where each one is more appropriate or where they should be ...
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      Mentions: University of Kent

    12. En‑face optical coherence tomography analysis of gold and silver nanoparticles in endodontic irrigating solutions: An in vitro study

      Explore Spandidos Publications Dentistry
      En‑face optical coherence tomography analysis of gold and silver nanoparticles in endodontic irrigating solutions: An in vitro study
      Optical coherence tomography (OCT) is a non‑invasive, non‑radioactive optical diagnostic method based on low‑coherence interferometry, which achieves images with different orientation. In dentistry, its major advantage is represented by the localization and characterization of the smallest defects in hard dental tissues, dental materials and of the smallest details in dental anatomy (supplementary canals, recesses, isthmuses, or intra‑radicular connections). The aim of the present in vitro study ...
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      Mentions: University of Kent

    13. 1st International Conference Advances in 3OM: Opto-Mechatronics, Opto-Mechanics and Optical Metrology, Timisoara, Romania, December 13, 2021

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      1st International Conference Advances in 3OM: Opto-Mechatronics, Opto-Mechanics and Optical Metrology, Timisoara, Romania, December 13, 2021
      The 3OM concept reunites three complementary domains: (1) Opto-Mechatronics is a blend of Optics Photonics, Precision Mechanics, Electronics, Control Automation, as well as IT. (2) Opto-Mechanics usually fills the gap between the high requirements of Optical Design and the capabilities of Mechanical technologies, addressing tolerances, errors, positioning issues, and methods to tackle them. Kinematic and dynamic aspects of optical systems with moving parts are also approached, and this leads back ...
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      Mentions: University of Rochester University of Kent

    14. Akinetic Swept-Source Master–Slave-Enhanced Optical Coherence Tomography

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      Akinetic Swept-Source Master–Slave-Enhanced Optical Coherence Tomography
      This paper presents a different approach for processing the signal from interferometers driven by swept sources that exhibit non-linear tuning during stable time intervals. Such sources are, for example, those commercialised by Insight, which are electrically tunable and akinetic. These Insight sources use a calibration procedure to skip frequencies already included in a spectral sweep, i.e., a process of clearing the spectrum. For the first time, the suitability of ...
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      Mentions: University of Kent

    15. Quantification of Root Caries using Optical Coherence Tomography and Microradiography

      Explore Quintessence Publishing Dentistry
      Quantification of Root Caries using Optical Coherence Tomography and Microradiography
      The use of transverse microradiography (TMR) to quantify the amount of mineral lost during demineralization of tooth tissue has long been established. In the present study, the use of an en-face Optical Coherence Tomography (OCT) technology to detect and quantitatively monitor the mineral changes in root caries was investigated and correlated with TMR. We used an OCT system, developed initially for retina imaging, and which can collect A-scans, B-scans (longitudinal ...
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      Mentions: University of Kent
    17. 1-15 of 272 1 2 3 4 ... 16 17 18 »
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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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