1. Hong Kong Polytechnic University

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    1. Mentioned In 11 Articles

    2. Assessment of Corneal Biomechanical Properties with Inflation Test Using Optical Coherence Tomography

      Assessment of Corneal Biomechanical Properties with Inflation Test Using Optical Coherence Tomography
      Biomechanical properties are important for the cornea to maintain its normal shape and function. There is still a need to develop better methods for accurate measurement of corneal mechanical properties. In this study, we propose to introduce the optical coherence tomography (OCT) in inflation test for the imaging of corneal deformation in order to measure its biomechanical properties. Ten cornea-mimicking silicone phantoms with different stiffness and five fresh porcine corneas ...
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    3. Eckhaus Instability in the Fourier-Domain Mode Locked Fiber Laser Cavity

      Eckhaus Instability in the Fourier-Domain Mode Locked Fiber Laser Cavity
      High frequency fluctuation in the optical signal generated in Fourier-Domain Mode Locked fiber laser (FDML-FL), which is the major problem and degrades the laser performance, is not yet fully analyzed or studied. The basic theory which is causing this high frequency fluctuation is required to clearly understand its dynamics and to control it for various applications. In this letter, by analyzing the signal and system dynamics of FDML-FL, we theoretically ...
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    4. Measurement of diabetic wounds with optical coherence tomography-based air-jet indentation system and a material testing system

      Measurement of diabetic wounds with optical coherence tomography-based air-jet indentation system and a material testing system
      Objective: Material testing system is a conventional but destructive method for measuring the biomechanical properties of wound tissues in basic research. The recently developed optical coherence tomography-based air-jet indentation system is a non-destructive method for measuring these properties of soft tissues in a non-contact manner. The aim of the study was to examine the correlation between the biomechanical properties of wound tissues measured by the two systems. Method: Young male ...
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    5. An OCT-based air suction-indentation probe for tissue elasticity measurement

      An OCT-based air suction-indentation probe for tissue elasticity measurement
      In this study, we developed a miniaturized optical coherence tomography (OCT) probe with a diameter of 4 mm. It was integrated with an air-jet indentation and air suction to induce deformation of tissue. The deforming process of tissue under suction or indentation was continuously monitored by OCT, and deformation of tissue was then derived from the transient OCT signals. Studies on phantoms with different stiffness were conducted. Results showed that ...
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    6. Effects of scan circle displacement in optical coherence tomography retinal nerve fibre layer thickness measurement: a RNFL modelling study

      ... Visual Sciences, The Chinese University of Hong Kong, Hong Kong, PRC 2. ^2Department of Applied Mathematics, Hong Kong Polytechnic University, Hong Kong, PRC 3. ^3Hamilton Glaucoma Center, Department of Ophthalmology, U...
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  2. About Hong Kong Polytechnic University

    Hong Kong Polytechnic University

    Hong Kong Polytechnic University (PolyU) specializes in professional education in Hong Kong. The University’s teaching units are grouped under six faculties and two schools; the Faculty of Applied Science and Textiles, Faculty of Business, Faculty of Construction and Land Use, Faculty of Engineering, Faculty of Health and Social Sciences, Faculty of Humanities, alongside with School of Design and School of Hotel and Tourism Management