Prof. Joonku Hahn Profile

Prof. Joonku Hahn

Associate Professor at Kyungpook National Univ

SPIE Involvement:

Author | Student Chapter Advisor

Publications (27)

Proceedings Article | 7 August 2023 Presentation + Paper

Field-of-view extension in projection-type holographic display with full-depth range using a waveguide

Woonchan Moon, Hosung Jeon, Seongju Lee, Joonku Hahn

Proceedings Volume 12624, 1262409 (2023) https://doi.org/10.1117/12.2675882

KEYWORDS: Waveguides, Spatial light modulators, Holographic displays, Computer generated holography, 3D displays

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Proceedings Article | 7 August 2023 Presentation + Paper

Wide viewing angle holographic augmented reality near-eye display with holographic optical element

Seongju Lee, Hosung Jeon, Woonchan Moon, Minwoo Jung, Joonku Hahn

Proceedings Volume 12624, 126240I (2023) https://doi.org/10.1117/12.2675822

KEYWORDS: Holographic optical elements, Holographic displays, Optical filters, Augmented reality

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Proceedings Article | 14 June 2023 Presentation + Paper

Improving space bandwidth product of reflective digital holographic microscopy by the use of Fourier-ptychographic illumination technique

Yongjun Lim, Kwan-Jung Oh, Minwoo Jung, Joonku Hahn

Proceedings Volume 12523, 1252308 (2023) https://doi.org/10.1117/12.2663282

KEYWORDS: Digital holography, Microscopy, Holography, Light sources and illumination, Reflection, Digital micromirror devices, Cameras

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Proceedings Article | 21 February 2020 Paper

High-resolution binary hologram printing methods

Hosung Jeon, Beomjun Kim, Minwoo Jun, Hwi Kim, Joonku Hahn

Proceedings Volume 11306, 113060L (2020) https://doi.org/10.1117/12.2545525

KEYWORDS: Holograms, Computer generated holography, Binary data, Digital micromirror devices, Printing, Modulation, Holography, Stereo holograms, Objectives, Spatial light modulators

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Proceedings Article | 21 February 2020 Paper

Generalized phase-shifting color holography

Minwoo Jung, Hosung Jeon, Beomjun Kim, Sungjin Lim, Joonku Hahn

Proceedings Volume 11306, 113060K (2020) https://doi.org/10.1117/12.2544640

KEYWORDS: Phase shifts, Digital holography, Holograms, Holography, Optical filters

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Proceedings Article | 21 February 2020 Paper

Depth measurement using engineering point spread function with coded aperture

Beomjun Kim, Daerak Heo, Hosung Jeon, Minwoo Jung, Hwi Kim, Joonku Hahn

Proceedings Volume 11306, 1130609 (2020) https://doi.org/10.1117/12.2545541

KEYWORDS: Point spread functions, Coded apertures, Imaging systems, Edge detection, 3D image reconstruction

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Proceedings Article | 1 March 2019 Paper

Time-sequential super multiview theater system

Sungjin Lim, Daerak Heo, Sunggyun Ahn, Joonku Hahn

Proceedings Volume 10942, 109420Z (2019) https://doi.org/10.1117/12.2508143

KEYWORDS: Geometrical optics, Eye, Micromirrors, Projection systems, Data acquisition, Optics manufacturing, Manufacturing

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Proceedings Article | 1 March 2019 Paper

Expressible-depth control method in digital holographic display

Sunggyun Ahn, Sungjin Lim, Mugeon Kim, Joonku Hahn

Proceedings Volume 10944, 109440O (2019) https://doi.org/10.1117/12.2506883

KEYWORDS: 3D image reconstruction, Light emitting diodes

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Proceedings Article | 19 February 2018 Presentation + Paper

Full-parallax three-dimensional display with spherical symmetry

Daerak Heo, Sungjin Lim, Geunseop Choi, Joonku Hahn

Proceedings Volume 10556, 1055604 (2018) https://doi.org/10.1117/12.2287635

KEYWORDS: Crystals, 3D displays, Scanners, Spherical lenses, Digital micromirror devices, Mirrors, Relays, Lenses, Crystal optics, Head

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Proceedings Article | 19 February 2018 Presentation + Paper

Horizontal-parallax-only light-field display with cylindrical symmetry

Geunseop Choi, Hosung Jeon, Hwi Kim, Joonku Hahn

Proceedings Volume 10556, 1055605 (2018) https://doi.org/10.1117/12.2287096

KEYWORDS: Digital micromirror devices, Panoramic photography, 3D displays, Mirrors, Eye, Cameras, Light sources, 3D image processing, Electronics engineering, Electronics

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Proceedings Article | 7 March 2016 Paper

Super multi-view display for analyzing human cognition

Chulwoong Lee, Sung-Jin Lim, Hosung Jeon, Joonku Hahn

Proceedings Volume 9770, 977006 (2016) https://doi.org/10.1117/12.2220401

KEYWORDS: Cognition, Digital micromirror devices, Optical choppers, 3D displays, Control systems, Eye, Light sources, Analytical research, Display technology, Glasses

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Proceedings Article | 23 September 2015 Paper

Electronic holographic device based on macro-pixel with local coherence

Woonchan Moon, Jaebeom Kwon, Hwi Kim, Joonku Hahn

Proceedings Volume 9626, 96261K (2015) https://doi.org/10.1117/12.2191408

KEYWORDS: Holography, 3D displays, Light sources, Micro optics, Spatial light modulators, Optical design, Spatial filters, Electronic components, Modulators, Electronics engineering

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Proceedings Article | 11 March 2015 Paper

360-degree table-top display with rotating transmissive screen

Kwang-Soo Kim, Hosung Jeon, Sang Kil Lee, Hwi Kim, Joonku Hahn

Proceedings Volume 9385, 93850Q (2015) https://doi.org/10.1117/12.2087386

KEYWORDS: Digital micromirror devices, 3D displays, Light emitting diodes, Beam splitters, 3D image processing, Displays, Reflectivity, Optical design, Mirrors, Control systems

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Proceedings Article | 25 February 2014 Paper

Large field-of-view synthetic aperture holography using rotation stages

Sungmin Kim, Yeonsu Im, Joonku Hahn

Proceedings Volume 9006, 900613 (2014) https://doi.org/10.1117/12.2040933

KEYWORDS: Holograms, Staring arrays, Holography, Sensors, Digital holography, Charge-coupled devices, 3D acquisition, Laser optics, Spherical lenses, Solids

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Proceedings Article | 17 May 2013 Paper

A 3D visual conformity of holographic content on the stereo hologram display

Beom-Ryeol Lee, Chi-Young Hwang, Wookho Son, Joonku Hahn, Jung-Young Son

Proceedings Volume 8738, 87380K (2013) https://doi.org/10.1117/12.2018472

KEYWORDS: Stereo holograms, Holograms, 3D image reconstruction, Eye, Visualization, Diffraction, 3D displays, 3D visualizations, Holography, Photography

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Proceedings Article | 26 November 2012 Paper

Digital holographic display for a single user

Joonku Hahn, Hwi Kim

Proceedings Volume 8556, 85560I (2012) https://doi.org/10.1117/12.999281

KEYWORDS: Holography, Digital holography, Spatial light modulators, Holograms, Wigner distribution functions, Diffraction, Eye, Spatial coherence, Electronics engineering, Wave propagation

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Proceedings Article | 3 June 2011 Paper

Image formation challenges in the MOSAIC platform

M. Gehm, D. Golish, E. Vera, J. Hahn, D. Marks, D. Brady

Proceedings Volume 8056, 80560T (2011) https://doi.org/10.1117/12.883695

KEYWORDS: Image acquisition, Optical design, Objectives, Image registration, Cameras, Imaging systems, Spherical lenses, Composites, Systems modeling, Image processing

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Proceedings Article | 8 September 2010 Paper

Multi-view display system based on autostereoscopic display with directional sound

Youngmin Kim, Young-Hoon Kim, Jonghyun Kim, Joonku Hahn, Sung-Wook Min, Byoungho Lee

Proceedings Volume 7797, 77970U (2010) https://doi.org/10.1117/12.860575

KEYWORDS: 3D displays, Displays, Autostereoscopic displays, 3D image processing, Lenticular lenses, Image resolution, LCDs, Flat panel displays, Optical resolution, Projection systems

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Proceedings Article | 21 August 2009 Paper

Waveguide-based surface plasmon resonance sensor design

Byoungho Lee, Sookyoung Roh, Hwi Kim, Jaehoon Jung

Proceedings Volume 7420, 74200C (2009) https://doi.org/10.1117/12.826865

KEYWORDS: Sensors, Fiber optics sensors, Gold, Metals, Silver, Chromium, Fiber optics, Surface plasmons, Refractive index, Waveguides

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Proceedings Article | 18 February 2009 Paper

High-definition integral floating display with multiple spatial light modulators

Joohwan Kim, Keehoon Hong, Jae-Hyun Jung, Gilbae Park, James Lim, Youngmin Kim, Joonku Hahn, Sung-Wook Min, Byoungho Lee

Proceedings Volume 7237, 72370T (2009) https://doi.org/10.1117/12.807565

KEYWORDS: Spatial light modulators, 3D image processing, Integral imaging, 3D displays, Imaging systems, Imaging arrays, Image resolution, LCDs, Manufacturing, Holograms

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Proceedings Article | 28 August 2008 Paper

Variable-focusing surface plasmon dielectric lens using air-gap modulation

Junghyun Park, Hwi Kim, Joonku Hahn, Byoungho Lee

Proceedings Volume 7033, 703323 (2008) https://doi.org/10.1117/12.795771

KEYWORDS: Spiral phase plates, Dielectrics, Planar waveguides, Waveguides, Metals, Refractive index, Modulation, Wave propagation, Surface plasmons, Interfaces

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Proceedings Article | 25 August 2008 Paper

Adaptive phase-shifting digital holography compensating positional inaccuracy and tilting of optics

Joonku Hahn, Hwi Kim, Eun-Hee Kim, Junghyun Park, Byoungho Lee

Proceedings Volume 7056, 70561N (2008) https://doi.org/10.1117/12.796422

KEYWORDS: Phase shifts, 3D image reconstruction, Holograms, Digital holography, Genetic algorithms, Fourier optics, Error analysis, Spatial light modulators, Beam splitters, Adaptive optics

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Proceedings Article | 8 September 2006 Paper

Optical implementation of iterative Fourier transform algorithm using spatial light modulator

Joonku Hahn, Hwi Kim, Yongjun Lim, Jihyun Lee, Byoungho Lee

Proceedings Volume 6310, 63100B (2006) https://doi.org/10.1117/12.679324

KEYWORDS: Diffraction, Spatial light modulators, Diffractive optical elements, Fourier transforms, Charge-coupled devices, Phase modulation, Digital holography, Phase shift keying, Modulation, Phase shifting

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Proceedings Article | 29 August 2006 Paper

Dynamic light field synthesis using spatial light modulator: system optimization with genetic feedback tuning loop and optical implementation of iterative fractional Fourier transform algorithm

Byoungho Lee, Joonku Hahn, Hwi Kim

Proceedings Volume 6310, 631008 (2006) https://doi.org/10.1117/12.679301

KEYWORDS: Spatial light modulators, Fractional fourier transform, Diffraction, Feedback loops, Genetics, Charge-coupled devices, Phase modulation, Genetic algorithms, Digital holography, Computing systems

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Proceedings Article | 16 November 2005 Paper

Viewing-angle enhanced computer-generated holographic display system combined with integral imaging

Kyongsik Choi, Heejin Choi, Hwi Kim, Joonku Hahn, Yongjun Lim, Joohwan Kim, Byoungho Lee

Proceedings Volume 6016, 601612 (2005) https://doi.org/10.1117/12.630332

KEYWORDS: 3D image reconstruction, 3D displays, Holograms, 3D image processing, Computer generated holography, Integral imaging, Spatial light modulators, Holography, Displays, 3D image enhancement

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Proceedings Article | 8 September 2005 Paper

Nano-strip embedded photonic crystal and its applications

Seunghoon Han, Il-Min Lee, Hwi Kim, Joonku Hahn, Byoungho Lee

Proceedings Volume 5911, 59110F (2005) https://doi.org/10.1117/12.614256

KEYWORDS: Dispersion, Waveguides, Wave propagation, Photonic crystals, Dielectrics, Solid state electronics, Instrument modeling, Integrated optics, Resonators, Photonic integrated circuits

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Proceedings Article | 30 August 2005 Paper

Optimization of the beam shaping with a dynamic phase spatial light modulator

Byoungho Lee, Hwi Kim, Joonku Hahn, Kyongsik Choi

Proceedings Volume 5876, 587603 (2005) https://doi.org/10.1117/12.615578

KEYWORDS: Spatial light modulators, Diffraction, Phase shift keying, Beam shaping, Holograms, Phase modulation, Amplitude modulation, Optical design, Calibration, Genetic algorithms

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Showing 5 of 27 publications

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