Dr. Hun-Kook Choi Profile

Dr. Hun-Kook Choi

Researcher at Gwangju Institute of Science and Technology

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Author

Publications (6)

SPIE Journal Paper | 11 September 2020

Femtosecond laser-assisted fabrication of microstrip patch antenna

Young-Jun Jung, Hun-Kook Choi, Bong Ahn Yu, Jongyeol Kim, Cherlhee Lee, Md. Shamim Ahsan, Ik-Bu Sohn

OE, Vol. 59, Issue 09, 096103, (September 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.9.096103

KEYWORDS: Antennas, Femtosecond phenomena, Laser applications, Fabrication, Ultraviolet radiation, Optical lithography, Wet etching, Optical engineering, Optical simulations, Printing

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SPIE Journal Paper | 14 May 2014

Fabrication of Fresnel zone plate lens in fused silica glass using femtosecond laser lithography technology

Ik-Bu Sohn, Md. Shamim Ahsan, Young-Chul Noh, Hun-Kook Choi, Jin-Tae Kim, Myeong-Jin Ko

OE, Vol. 53, Issue 05, 055107, (May 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.5.055107

KEYWORDS: Femtosecond phenomena, Glasses, Lithography, Silica, Diffraction, Helium neon lasers, Zone plates, Laser applications, Fabrication, Coating

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Proceedings Article | 7 December 2013 Paper

Formation of cylindrical micro-lens array in fused silica glass using laser irradiations

Hun-Kook Choi, Md. Shamim Ahsan, Dongyoon Yoo, Ik-Bu Sohn, Young-Chul Noh, Jin Tae Kim, Deok Jung, Jin Hyeok Kim

Proceedings Volume 8923, 89234T (2013) https://doi.org/10.1117/12.2033772

KEYWORDS: Glasses, Diffraction, Carbon dioxide lasers, Silica, Polishing, Femtosecond phenomena, Surface finishing, Laser systems engineering, Optical lithography, Laser applications

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Proceedings Article | 7 December 2013 Paper

Fabrication of Fresnel zone plate lens in fused silica glass using femtosecond laser lithography technology

Ik-Bu Sohn, Md. Shamim Ahsan, Young-Chul Noh, Hun-Kook Choi, Jin-Tae Kim, Myeong Jin Ko

Proceedings Volume 8923, 89233Y (2013) https://doi.org/10.1117/12.2033766

KEYWORDS: Zone plates, Femtosecond phenomena, Glasses, Lithography, Silica, Diffraction, Laser applications, Fabrication, Photoresist materials, Optical lithography

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SPIE Journal Paper | 1 November 2012

Relationship between the order of rotation symmetry in perforated apertures and terahertz transmission characteristics

Joong-Wook Lee, Jin-Kyu Yang, Ik-Bu Sohn, Hun-Kook Choi, Chul Kang, Chul-Sik Kee

OE, Vol. 51, Issue 11, 119002, (November 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.11.119002

KEYWORDS: Terahertz radiation, Polarization, Photonics, Optical engineering, Electromagnetism, Metals, Optical components, Scanning electron microscopy, Electronics, Biotechnology

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Proceedings Article | 15 October 2012 Paper

Polarization-independent terahertz three-dimensional subwavelength confinement in coupled slot structures

Joong-Wook Lee, Jin-Kyu Yang, Jeong Eun Kim, Ik-Bu Sohn, Hun-Kook Choi, Chul Kang, Chul-Sik Kee

Proceedings Volume 8496, 849610 (2012) https://doi.org/10.1117/12.929325

KEYWORDS: Terahertz radiation, Polarization, Electromagnetism, Near field, Metals, Plasmonics, Diffraction, Imaging spectroscopy, Dielectric polarization, Structural design

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Showing 5 of 6 publications

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