Search Results - Keumcheol Kwak

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  1. 1
    Continuously Tunable Optical Notch Filter With Functions of a Mirror and a Beam Splitter

    Continuously Tunable Optical Notch Filter With Functions of a Mirror and a Beam Splitter by Mi-Yun Jeong, Keumcheol Kwak

    Published 2019-01-01
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  2. 2
    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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  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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