1. Myung Yung Jeong

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    1. Mentioned In 16 Articles

    2. Optical coherence tomography using active mode-locking fiber laser

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      Optical coherence tomography using active mode-locking fiber laser
      Discloses is an optical coherence tomography (OCT) which uses an active mode-locking fiber laser in order to obtain image information of a sample. An imaging device in accordance with an embodiment comprises: a light source unit; a light separation unit; a reference unit; a diagnostic unit; a light coupling unit; and a signal processing unit. The imaging device removes a high-priced variable filter which has mechanical restrictions by directly delivering ...
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      Mentions: Myung Yung Jeong Pusan National University

    5. Simultaneous Dual-Band Wavelength-Swept Fiber Laser Based on Active Mode Locking

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      Simultaneous Dual-Band Wavelength-Swept Fiber Laser Based on Active Mode Locking
      We report a simultaneous dual-band wavelength-swept laser based on the active mode locking method. By applying a single modulation signal, synchronized sweeping of two lasing-wavelengths is demonstrated without the use of a mechanical wavelength-selecting filter. Two free spectral ranges are independently controlled with a dual path-length configuration of a laser cavity. The static and dynamic performances of a dual-band wavelength-swept active mode locking fiber laser are characterized in both the ...
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      Mentions: Zhongping Chen Myung Yung Jeong Chang-Seok Kim

    6. Optical Coherence Tomography Using Active MODE-LOCKING Fiber Laser

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      Optical Coherence Tomography Using Active MODE-LOCKING Fiber Laser
      Discloses is an optical coherence tomography (OCT) which uses an active mode-locking fiber laser in order to obtain image information of a sample. An imaging device in accordance with an embodiment comprises: a light source unit; a light separation unit; a reference unit; a diagnostic unit; a light coupling unit; and a signal processing unit. The imaging device removes a high-priced variable filter which has mechanical restrictions by directly delivering ...
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      Mentions: Myung Yung Jeong Pusan National University Hwi Don Lee

    7. Optical sensor interrogation system based on FDML wavelength swept laser

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      Optical sensor interrogation system based on FDML wavelength swept laser
      Provided is an optical sensor interrogation system. The optical sensor interrogation system includes: a light source unit which matches round-trip time of light and wavelength tunable cycle time of light in a resonator and emits light; a sensing unit which receives an optical signal in which a center wavelength periodically tunes, from the light source unit and tunes the center wavelength of the optical signal according to physical changes applied ...
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      Mentions: Myung Yung Jeong Chang-Seok Kim Jae-Seok Park

    8. Spectrally Sampled OCT Imaging Based on 1.7um Continuous-Wave Supercontinuum Source

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      Spectrally Sampled OCT Imaging Based on 1.7um Continuous-Wave Supercontinuum Source
      We demonstrate a novel multiwavelength light source around the 1.7um region based on continuous-wave (CW) supercontinuum (SC) generation for the deeper imaging of low-water-absorption sample with a spectrally sampled optical coherence tomography (OCT) system. This self-regulated Gaussian spectrum of CW SC source has an extremely smooth flat width with more than 210-nm full-width at half-maximum bandwidth centered at the 1.7um region, a high output power of 500 mW ...
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      Mentions: Seoul National University Myung Yung Jeong Chang-Seok Kim

    9. Optical Coherence Tomography Using Active Mode-Locking Fiber Laser

      Explore wipo.int Patents
      Optical Coherence Tomography Using Active Mode-Locking Fiber Laser
      An optical coherence tomography (OCT) uses an active mode-locking fiber laser in order to obtain image information of a sample. An imaging device of the present invention comprises: a light source unit that emits light having a central wavelength which is periodically changed by a modulation signal received from the inside of a resonator; a light separation unit that separates the light having a single path, which is emitted from ...
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      Mentions: Myung Yung Jeong Chang-Seok Kim Pusan National University

    12. Flexible Curled Optical Cord for Bending-Insensitive Optical Imaging Delivery

      Explore IEEE Xplore Gastroenterology , Probes
      Flexible Curled Optical Cord for Bending-Insensitive Optical Imaging Delivery
      In the application of optical imaging technologies to the biomedical field, the flexible optical cord is one of the key components used to deliver the reflected optical signal from the internal biological tissue to the biomedical imaging system. However, the conventional optical fibers suffer from a critical wiring limitation, which results in severe power losses under a small bending radius that is less than a few centimeters. In this paper ...
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      Mentions: Myung Yung Jeong Chang-Seok Kim Jae-Seok Park

    15. Multi-wavelength source for the lower exposure intensity of spectral OCT

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      There have been several technologies to enable high resolution cross-sectional images of biological tissues in optical coherence tomography (OCT) method. Optical frequency comb (OFC) source has been proposed to overcome the crosstalk problem among the CCD detector pixels of the continuous spectrum of light source. Recently, a passive-type OFC is demonstrated simply placing a Fabry-Perot interferometer filter right after the broadband light source, but it shows a high loss of ...
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      Mentions: Myung Yung Jeong Chang-Seok Kim Jae-Seok Park

    16. Curled optical patch cord for bending insensitive biomedical imaging endoscope

      Explore SPIE Digital Library Gastroenterology
      Biomedical optical imaging technologies based on optical fibers have been of great interest because of their superiority over conventional bulk-optic counter part in size and integration. Flexible endoscope is a key component to deliver the reflected optical signal from biological tissue to the optical imaging system, such as Optical Coherence Tomography (OCT) and Fiber Confocal Microscopy (FCM). However, conventional optical fibers for the biomedical imaging endoscope have been suffered from ...
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      Mentions: Myung Yung Jeong Chang-Seok Kim Pusan National University

    17. Endoscopic common-path OCT based on sweeping laser source and curled optical patch cord

      Explore SPIE Digital Library Gastroenterology
      Several technical problems have to be overcome before Optical Coherence Tomography (OCT) can be accepted among the established endoscopic imaging modalities. Most of conventional Michelson-based OCT systems need to have two separated paths of the sample and reference arms, which limits the flexibility of endoscopic probe. Recently, common-path interferometer based OCT have been demonstrated to circumvent the mismatch problems of length, polarization, and dispersion between the reference and sample arms ...
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      Mentions: Johns Hopkins University Myung Yung Jeong Chang-Seok Kim
    18. 1-16 of 16
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  4. About Myung Yung Jeong

    Myung Yung Jeong is with the Department of Nanosystem Engineering, Pusan National University, Korea.

  5. Related Topics

    1. Endoscopic common-path OCT based on sweeping laser source and curled optical patch cord
      16 articles also mentioned Pusan National University
    2. Characterization of wavelength-swept active mode locking fiber laser based on reflective semiconductor optical amplifier
      6 articles also mentioned Hwi Don Lee
    3. Multi-wavelength source for the lower exposure intensity of spectral OCT
      3 articles also mentioned Tae Joong Eom
    4. Double common-path interferometer for flexible optical probe of optical coherence tomography
      2 articles also mentioned UC Irvine