1. Articles from Chang Seok Kim

    1-3 of 3
    1. Optical Coherence Tomography Using Active MODE-LOCKING Fiber Laser

      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 a modulation signal to a light source unit, so it can overcome mechanical restrictions and reduce costs.

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

      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 the light source unit, into a first light and a second light having different paths; a reference unit that is disposed on a path through which the first light separated ...

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    3. Novel wavelength-swept Raman laser for arbitrary gain band OCT

      Novel wavelength-swept Raman laser is newly demonstrated to implement an arbitrary gain band for a swept-source optical coherence tomography (SS-OCT). Instead of conventional semiconductor optical amplifier, we adapt optical fiber Raman amplification, which can easily generate an instant femto-second optical gain at arbitrary wavelength region from 1.1 to 1.6 micrometer using a high-power optical pump power. We also experimentally demonstrate OCT images using the novel wavelength-swept Raman laser source.

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    1-3 of 3
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  2. Topics in the News

    1. (3 articles) Pusan National University
    2. (3 articles) Myung Yung Jeong
    3. (2 articles) Hwi Don Lee
    4. (2 articles) Chang-Seok Kim
    5. (1 articles) Jae-Seok Park
    6. (1 articles) Duke University
    7. (1 articles) National Institutes of Health
    8. (1 articles) University of Melbourne
    9. (1 articles) Osaka University
    10. (1 articles) Capital Medical University
    11. (1 articles) Tokyo Medical & Dental University
    12. (1 articles) University College London
    13. (1 articles) University of Bonn
    14. (1 articles) Frank G. Holz
    15. (1 articles) Michael Pircher
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