1. Kye-Sung Lee

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    1. Mentioned In 36 Articles

    2. Estimation and compensation of phase errors induced by axial bulk motion of a sample in wavelength-sweeping parallel Fourier domain OCT

      Explore OSA | OSA Publishing
      Estimation and compensation of phase errors induced by axial bulk motion of a sample in wavelength-sweeping parallel Fourier domain OCT
      We report a new, to the best of our knowledge, approach to correct image blurring due to the axial bulk motion of a sample in wavelength-sweeping Fourier domain parallel optical coherence tomography (OCT). This approach can estimate phase errors changing rapidly in time through direct measurements of the apparent axial shift during the sampling interval using common phase changes in parallel detection without additional hardware. To demonstrate the performance of ...
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      Mentions: Kye-Sung Lee

    4. Parallelized multi–graphics processing unit framework for high-speed Gabor-domain optical coherence microscopy

      Explore SPIE | Journal Dermatology
      Parallelized multi–graphics processing unit framework for high-speed Gabor-domain optical coherence microscopy
      Gabor-domain optical coherence microscopy (GD-OCM) is a volumetric high-resolution technique capable of acquiring three-dimensional (3-D) skin images with histological resolution. Real-time image processing is needed to enable GD-OCM imaging in a clinical setting. We present a parallelized and scalable multi-graphics processing unit (GPU) computing framework for real-time GD-OCM image processing. A parallelized control mechanism was developed to individually assign computation tasks to each of the GPUs. For each GPU, the ...
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      Mentions: University of Rochester Kye-Sung Lee Jannick P. Rolland

    8. Optical Coherence Tomography Enabling Non Destructive Metrology of Layered Polymeric GRIN Material

      Explore Nature Publishing Group NDE/NDT , Other Non-Medical
      Optical Coherence Tomography Enabling Non Destructive Metrology of Layered Polymeric GRIN Material
      Gradient Refractive INdex (GRIN) optical components have historically fallen short of theoretical expectations. A recent breakthrough is the manufacturing of nanolayered spherical GRIN (S-GRIN) polymer optical elements, where the construction method yields refractive index gradients that exceed 0.08. Here we report on the application of optical coherence tomography (OCT), including micron-class axial and lateral resolution advances, as effective, innovative methods for performing nondestructive diagnostic metrology on S-GRIN. We show ...
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      Mentions: University of Rochester Kye-Sung Lee Panomsak Meemon

    9. Measurement Technique Offers a Way of Improving Optical Lens Making

      Explore University of Rochester NDE/NDT , Other Non-Medical
      Measurement Technique Offers a Way of Improving Optical Lens Making
      Researchers at the University of Rochester have applied a sophisticated imaging technique to obtain the first 3D, high-resolution pictures of a recently developed type of optical lenses. They say that using Optical Coherence Tomography (OCT) during the manufacturing process allows them to significantly improve the quality of these new and promising lenses.
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      Mentions: University of Rochester Kye-Sung Lee Panomsak Meemon

    10. Optical coherence tomography (OCT) apparatus, methods, and applications

      Explore uspto.gov Patents
      Optical coherence tomography (OCT) apparatus, methods, and applications
      A free-space Michelson Interferometer-based Dual Detection Frequency Domain-Optical Coherency Tomography (DD-FD-OCT) apparatus includes a non-polarizing beam splitter that can be used to misalign sample and reference beam paths to provide a stable .pi./2 phase shift between simultaneously detected interfering sample and reference beams to eliminate the mirror image created by Fourier transformation during image reconstruction. A hybrid fiber system Mach Zehnder Interferometer- and free-space Michelson Interferometer-based Dual Detection Frequency ...
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      Mentions: University of Rochester Kye-Sung Lee Panomsak Meemon

    11. Quantitative Measurement of Tear Film Dynamics with Optical Coherence Tomography and Statistical Decision Theory

      Explore Journal of Vision Ophthalmology
      Quantitative Measurement of Tear Film Dynamics with Optical Coherence Tomography and Statistical Decision Theory
      Currently, there are about 40 to 60 million Americans suffering from Dry Eye Syndrome (DES); this serious public health problem will worsen with the explosive aging population created by baby boomers, where DES has a high incidence. However, the therapeutics for DES are elusive because our understanding of DES is so elementary, especially the correlation between symptoms and the diagnosis. Unfortunately, a quantitative diagnosis, which is the prerequisite to advance ...
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      Mentions: University of Rochester Kye-Sung Lee University of Arizona

    12. Three-dimensional imaging of normal skin and nonmelanoma skin cancer with cellular resolution using Gabor domain optical coherence microscopy

      Explore SPIE | Journal Dermatology , Microscopy , Oncology
      Three-dimensional imaging of normal skin and nonmelanoma skin cancer with cellular resolution using Gabor domain optical coherence microscopy
      We investigate morphological differences in three-dimensional (3-D) images with cellular resolution between nonmelanoma skin cancer and normal skin using Gabor domain optical coherence microscopy. As a result, we show for the first time cellular optical coherence images of 3-D features differentiating cancerous skin from normal skin. In addition, in vivo volumetric images of normal skin from different anatomic locations are shown and compared.
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      Mentions: University of Rochester Kye-Sung Lee Jannick P. Rolland

    16. Systems and methods for generating a tunable laser beam

      Explore uspto.gov Patents , Probes , Tunable Sources
      Systems and methods for generating a tunable laser beam
      Systems and methods of generating a tunable laser beam are disclosed. An example method includes: generating coherent optical beams from a plurality of semiconductor optical amplifiers (SOAs); combining the coherent optical beams into a combined coherent optical beam; and tuning the combined beam to a selected frequency range to output a coherent optical beam having only the selected frequency range. In some embodiments, the SOAs are arranged in parallel within ...
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      Mentions: Kye-Sung Lee Panomsak Meemon Jannick P. Rolland
    17. 1-15 of 36 1 2 3 »
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  4. About Kye-Sung Lee

    Kye-Sung Lee

    Kye-Sung Lee is a post doctoral student at the Optical Diagnostics & Applications Laboratory (ODALab) at the University of Rochester.

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