1. Jonghyun Eom

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    1. Mentioned In 8 Articles

    2. Wide field of view optical coherence tomography for structural and functional diagnoses in dentistry

      Wide field of view optical coherence tomography for structural and functional diagnoses in dentistry
      We report herein the fabrication and performance response of a three-dimensional (3-D) intraoral scan probe based on optical coherence tomography (OCT) that enables 3-D structural and functional diagnoses of the human teeth. The OCT system was configured using a swept-source OCT (SS-OCT) with a center wavelength of 1310 nm. The scan probe was built using an MEMS mirror and an optical collimator. The implemented SS-OCT equipped with the MEMS-based scan ...
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      Mentions: Jonghyun Eom
    3. An All-Fiber-Optic Combined System of Noncontact Photoacoustic Tomography and Optical Coherence Tomography

      An All-Fiber-Optic Combined System of Noncontact Photoacoustic Tomography and Optical Coherence Tomography
      We propose an all-fiber-based dual-modal imaging system that combines noncontact photoacoustic tomography (PAT) and optical coherence tomography (OCT). The PAT remotely measures photoacoustic (PA) signals with a 1550-nm laser on the surface of a sample by utilizing a fiber interferometer as an ultrasound detector. The fiber-based OCT, employing a swept-source laser centered at 1310 nm, shares the sample arm of the PAT system. The fiber-optic probe for the combined system ...
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    4. An All-Fiber-Optic Combined System of Noncontact Photoacoustic Tomography and Optical Coherence Tomography

      An All-Fiber-Optic Combined System of Noncontact Photoacoustic Tomography and Optical Coherence Tomography
      We propose an all-fiber-based dual-modal imaging system that combines noncontact photoacoustic tomography (PAT) and optical coherence tomography (OCT). The PAT remotely measures photoacoustic (PA) signals with a 1550-nm laser on the surface of a sample by utilizing a fiber interferometer as an ultrasound detector. The fiber-based OCT, employing a swept-source laser centered at 1310 nm, shares the sample arm of the PAT system. The fiber-optic probe for the combined system ...
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    5. All optical fiber combined-imaging system of photoacoustic and optical coherence tomography

      All optical fiber combined-imaging system of photoacoustic and optical coherence tomography
      We present an all optical fiber combined-imaging system that integrates non-contact photoacoustic tomography (NPAT) and optical coherence tomography (OCT) to simultaneously provide PA and OCT images. The fiber-based PAT system utilizing a Mach-Zehnder interferometer with a fiber laser of 1550 nm measures the photoacoustic signal at the sample surface. For the generation of a PA signal, a pulse train from a bulk type Nd:YAG laser illuminates the sample via ...
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    6. Ball lens based lensed patch cord probes for optical coherence tomography in the field of dentistry

      Ball lens based lensed patch cord probes for optical coherence tomography in the field of dentistry
      A lensed patch cord probe has been made with a ball lens packaged in a metal cylinder. By simply placing a ball lens directly in front of a fiber patch cord, a compact and potentially disposable sampling probe for optical coherence tomography (OCT) could be implemented. To achieve a sufficiently long working distance and a good transverse resolution simultaneously, the proper ball lens diameter and the distance between the ball ...
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    7. Feature Of The Week 3/27/11: Feasibility of Full-Field Optical Coherence Tomography for Detection of Counterfeit Paper Money

      Feature Of The Week 3/27/11: Feasibility of Full-Field Optical Coherence Tomography for Detection of Counterfeit Paper Money
      Feature Of The Week 3/27/11: This week’s featured work is from Gwangju Institute of Science and Technology (GIST) where researchers reported on an exciting application of full-field optical coherence tomography (FF-OCT) for identifying counterfeit bank notes. Recent application of the FF-OCT has been expanded to medical biology, clinical pathology, cell biology, material industry and even biometric-based forensic science. In this study, they have demonstrated new approach of ...
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    8. Counterfeit Detection Using Characterization of Safety Feature on Banknote with Full-field Optical Coherence Tomography

      Counterfeit Detection Using Characterization of Safety Feature on Banknote with Full-field Optical Coherence Tomography
      ...0) Imaging systems : Three-dimensional image acquisition Citation Woo-June Choi, Gi-Hyeon Min, Byeong-Ha Lee, Jong-Hyun Eom, and Ju-Wan Kim, "Counterfeit Detection Using Characterization of Safety Feature on Banknote wit...
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  2. About Jonghyun Eom

    Jonghyun Eom

    Jonghyun Eom was received his B. S. degree in Bio medical engineering from Yonsei University, Wonju, Korea, in 2008 and the M.S. degrees in Graduate program of Medical system engineering from Gwangju Institute of Science and Technology (GIST), Korea, in 2010. He is studying in Ph. D. course at GIST. His current research interest is related to the optical imaging research area; full-field optical coherence microscopy (FF-OCM) and photo acoustic (PA) imaging.