1. Korea Advanced Institute of Science and Technology

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    1. Mentioned In 31 Articles

    2. Broadband supercontinuum generation using a hollow optical fiber filled with copper-ion-modified DNA

      Broadband supercontinuum generation using a hollow optical fiber filled with copper-ion-modified DNA
      We experimentally demonstrated supercontinuum generation through a hollow core photonic bandgap fiber (HC-PBGF) filled with DNA nanocrystals modified by copper ions in a solution. Both double-crossover nano DNA structure and copper-ion-modified structure provided a sufficiently high optical nonlinearity within a short length of hollow optical fiber. Adding a higher concentration of copper ion into the DNA nanocrystals, the bandwidth of supercontinuum output was monotonically increased. Finally, we achieved the bandwidth ...
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    3. All-fiber wavelength swept ring laser based on Fabry-Perot filter for optical frequency domain imaging

      All-fiber wavelength swept ring laser based on  Fabry-Perot filter for optical frequency domain  imaging
      ...spital and Harvard Medical School, Boston, Massachusetts 02114, USA ^2Department of Mechanical Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, South Korea ^3Harvard-MIT Division of Health Sciences and...
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    4. Feature Of The Week 8/31/14: Fully Integrated High-speed Intravascular OCT/NIRF Structural/Molecular Imaging In Vivo using a Clinically-available NIRF Emitting Indocyanine Green to Detect Inflamed Lipid-rich Atheromata in Coronary-sized Vessels

      Feature Of The Week 8/31/14: Fully Integrated High-speed Intravascular OCT/NIRF Structural/Molecular Imaging In Vivo using a Clinically-available NIRF Emitting Indocyanine Green to Detect Inflamed Lipid-rich Atheromata in Coronary-sized Vessels
      In current study, we fully integrated near-infrared fluorescence (NIRF) molecular imaging into intravascular OCT structural imaging. The OCT/NIRF single catheter imaging clearly demonstrated the microstructure of atheromata and simultaneously identified ICG-enhancing macrophage abundant lipid-rich areas of the plaques. Ex vivo NIRF imaging evidently validated in vivo OCT-NIRF imaging. NIRF signals on ex vivo fluorescence reflectance imaging colocalized well with in vivo NIRF imaging. In vitro ICG cell uptake, correlative ...
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    5. Parallel guidance endoscopic optical coherence tomography system for internal diagnosis through active cannulas

      Parallel guidance endoscopic optical coherence tomography system for internal diagnosis through active cannulas
      A parallel guidance endoscopic optical coherence tomography (OCT) system is proposed for minimally invasive internal inspection of inner organs or complex structures for diagnosis. The system is maneuvered to access the target using an active cannulas steerable structures. The integration of a specially designed linkage device with the developed system allows the OCT endoscope to scan with enhanced signal-collective performance, while maintaining its tip at a constant distance from the ...
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    6. Fully Integrated High-Speed Intravascular OCT/NIRF Structural/Molecular Imaging In Vivo Using a Clinically Available Near-Infrared Fluorescence–Emitting Indocyanine Green to Detect Inflamed Lipid-Rich Atheromata in Coronary-Sized Vessels

      Fully Integrated High-Speed Intravascular OCT/NIRF Structural/Molecular Imaging In Vivo Using a Clinically Available Near-Infrared Fluorescence–Emitting Indocyanine Green to Detect Inflamed Lipid-Rich Atheromata in Coronary-Sized Vessels
      ...Engineering, KAIST, 335 Gwahangno, Yuseong-gu, Daejeon 305–701, Republic of Korea. E-mail: woh1{at}kaist.ac.kr 1. ↵* Dr S. Lee, M.W. Lee, and H.S. Cho contributed equally to this work. 2. ↵† Drs Kim, Yoo, an...
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    7. Spectral binning for mitigation of polarization mode dispersion artifacts in catheter-based optical frequency domain imaging

      Spectral binning for mitigation of polarization mode dispersion artifacts in catheter-based optical frequency domain imaging
      Polarization mode dispersion (PMD) has been recognized as a significant barrier to sensitive and reproducible birefringence measurements with fiber-based, polarization-sensitive optical coherence tomography systems. Here, we present a signal processing strategy that reconstructs the local retardation robustly in the presence of system PMD. The algorithm uses a spectral binning approach to limit the detrimental impact of system PMD and benefits from the final averaging of the PMD-corrected retardation vectors of ...
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  2. About Korea Advanced Institute of Science and Technology

    Korea Advanced Institute of Science and Technology

    Korea Advanced Institute of Science and Technology (KAIST) was established in 1971 as the nation’s first graduate school specializing in science and engineering education and research. The school’s founding was a catalyst for Korea’s rapid rise from a producer of light industry goods to a world leader in high-technology industries.