Showing 1 - 4 results of 4 for search 'Keumcheol Kwak', query time: 0.02s Refine Results
  1. 1
    Continuously Tunable and Bandwidth Variable Optical Notch/Band-Pass Filters Over 500 nm Spectral Range Using Cholesteric Liquid Crystals

    Continuously Tunable and Bandwidth Variable Optical Notch/Band-Pass Filters Over 500 nm Spectral Range Using Cholesteric Liquid Crystals by Mi-Yun Jeong, Keumcheol Kwak

    Published 2019-01-01
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    Article
  2. 2
    Multifunctional Optical Device with a Continuous Tunability over 500 nm Spectral Range Using Polymerized Cholesteric Liquid Crystals

    Multifunctional Optical Device with a Continuous Tunability over 500 nm Spectral Range Using Polymerized Cholesteric Liquid Crystals by Mi-Yun Jeong, Hyeon-Jong Choi, Keumcheol Kwak, Younghun Yu

    Published 2021-10-01
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    Article
  3. 3
    Maskless Fabrication of Film-Patterned-Retarder (FPR) Using Wedged Liquid Crystal Cell

    Maskless Fabrication of Film-Patterned-Retarder (FPR) Using Wedged Liquid Crystal Cell by Doyeon Lee, Keumcheol Kwak, Chul Gyu Jhun, Hyun Seok Choi, Jang-kun Song

    Published 2019-01-01
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  4. 4
    External pressure induced liquid crystal defects for optical vortex generation

    External pressure induced liquid crystal defects for optical vortex generation by L. K. Migara, Heesu Lee, Cheon-Myeong Lee, Keumcheol Kwak, Doyeon Lee, Jang-Kun Song

    Published 2018-06-01
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