Dr. Ho-Soon Yang Profile

Dr. Ho-Soon Yang

Principal Researcher at KRISS

SPIE Involvement:

Author

Publications (44)

Proceedings Article | 4 October 2023 Presentation + Paper

Phase retrieval by pattern classification and circular mean for robust optical testing

Ohgan Kim, Yun-woo Lee, Ho-Soon Yang

Proceedings Volume 12677, 1267707 (2023) https://doi.org/10.1117/12.2677804

KEYWORDS: Mirror surfaces, Image classification, Phase unwrapping, Phase retrieval, Optical testing, Vibration, Turbulence

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Proceedings Article | 4 October 2023 Presentation + Paper

Full-aperture wavefront reconstruction method in quadri-wave lateral shearing interferometry (QWLSI)

In-Ung Song, Ho-Soon Yang, Yun-Woo Lee

Proceedings Volume 12672, 126720E (2023) https://doi.org/10.1117/12.2677170

KEYWORDS: Wavefronts, Wavefront reconstruction, Reconstruction algorithms, Interferograms, Interferometry, Wavefront errors, Optical testing, Mirrors

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Proceedings Article | 1 August 2021 Presentation + Paper

A displacement probe using backscattering for profiling the ground surface form

In-Ung Song, Ho-Soon Yang, Jun-Gyu Park, Goeun Kim, Kyuman Cho, Sug-Whan Kim

Proceedings Volume 11817, 1181709 (2021) https://doi.org/10.1117/12.2594367

KEYWORDS: Backscatter, Interferometers, Demodulation, Profilometers, Profiling, Modulation

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Proceedings Article | 15 September 2020 Presentation + Paper

Development of a new image based BRDF measurement system using a semicircular ring

Seul Ki Yang, In-Ung Song, Eunsong Oh, Ho-Soon Yang, Sug-Whan Kim

Proceedings Volume 11485, 114850M (2020) https://doi.org/10.1117/12.2568347

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Proceedings Article | 30 August 2019 Paper

Design and development of large SiC mirror for spaceborne application

Il Kweon Moon, Ho-Soon Yang, Yun Woo Lee

Proceedings Volume 11100, 111000J (2019) https://doi.org/10.1117/12.2529058

KEYWORDS: Mirrors, Silicon carbide, Optics manufacturing, Manufacturing, Standards development, Optical fabrication, Thermography, Finite element methods, Polishing, Stress analysis

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Proceedings Article | 21 June 2019 Paper

Coordinate mapping of the primary mirror vertex in a space telescope by using a CGH and theodolites

H. Kihm, H.-S. Yang, J.-W. Kang

Proceedings Volume 11056, 1105642 (2019) https://doi.org/10.1117/12.2525915

KEYWORDS: Mirrors, Computer generated holography, Optical fibers, Space telescopes, Optical alignment, Interferometers, Optical testing, Multimode fibers, Satellites, Space mirrors

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Proceedings Article | 21 November 2017 Open Access

Medium-sized aperture camera for Earth observation

Eugene Kim, Young-Wan Choi, Myung-Seok Kang, Ee-Eul Kim, Ho-Soon Yang, Ad. Aziz Ad. Rasheed, Ahmad Sabirin Arshad

Proceedings Volume 10568, 105680H (2017) https://doi.org/10.1117/12.2308001

KEYWORDS: Modulation transfer functions, Telescopes, Mirrors, Space telescopes, Cameras, Satellites, Charge-coupled devices, Lenses, Off axis mirrors, Wavefronts

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Proceedings Article | 16 October 2017 Paper

Dual-line fabrication method in direct laser lithography to reduce the manufacturing time of diffractive optics elements

Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, Ho-Soon Yang, Yun-Woo Lee

Proceedings Volume 10451, 104511R (2017) https://doi.org/10.1117/12.2280620

KEYWORDS: Lithography, Optics manufacturing, Optical components, Thermography, Manufacturing, Diffractive optical elements, Polonium, Laser ablation, Photomasks

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Proceedings Article | 31 October 2016 Paper

Development of an atmospheric turbulence simulator for deformable mirror evaluation

Jun Ho Lee, Sunmi Shin, Hyug-Gyo Rhee, Ho-Soon Yang, Ho-Jae Lee

Proceedings Volume 10020, 100200K (2016) https://doi.org/10.1117/12.2247814

KEYWORDS: Deformable mirrors, Atmospheric turbulence, Device simulation, Adaptive optics, Actuators, Silicon carbide, Telescopes, Turbulence, Stars, Computer simulations

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Proceedings Article | 22 July 2016 Paper

Development of the fast steering secondary mirror assembly of GMT

Sungho Lee, Myung Cho, Chan Park, Jeong-Yeol Han, Ueejeong Jeong, Yang-noh Yoon, Je Heon Song, Byeong-Gon Park, Christoph Dribusch, Won Hyun Park, Youra Jun, Ho-Soon Yang, Il-Kwon Moon, Chang Jin Oh, Ho-Sang Kim, Kyoung-Don Lee, Robert Bernier, Chris Alongi, Andrew Rakich, Paul Gardner, Lee Dettmann, Wylie Rosenthal

Proceedings Volume 9912, 991241 (2016) https://doi.org/10.1117/12.2233710

KEYWORDS: Mirrors, Telescopes, Optical fabrication, Telescopes, Control systems, Prototyping, Control systems design, Space telescopes, Surface finishing, Manufacturing, Profilometers

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Proceedings Article | 17 September 2015 Paper

Development of a FSMP mirror assembly

Jihun Kim, Young-Soo Kim, Je Heon Song, Myung Cho, Ho-Soon Yang, Joohyung Lee, Ho-Sang Kim, Kyoung-Don Lee, Won Hyun Park, Byeong-Gon Park

Proceedings Volume 9582, 95820K (2015) https://doi.org/10.1117/12.2191184

KEYWORDS: Mirrors, Secondary tip-tilt mirrors, Space telescopes, Telescopes, Adhesives, System integration, Tolerancing, Standards development, Astronomy, Prototyping

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Proceedings Article | 2 September 2015 Paper

Development of 1-m primary mirror for a spaceborne camera

Hagyong Kihm, Ho-Soon Yang, Hyug-Gyo Rhee, Yun-Woo Lee

Proceedings Volume 9573, 95730W (2015) https://doi.org/10.1117/12.2187760

KEYWORDS: Mirrors, Adhesives, Lightweight mirrors, Space mirrors, Finite element methods, Distortion, Safety, Cameras, Space telescopes, Astronomical imaging

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SPIE Journal Paper | 9 May 2013

Design optimization of a 1-m lightweight mirror for a space telescope

Hagyong Kihm, Ho-Soon Yang

OE, Vol. 52, Issue 09, 091806, (May 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.9.091806

KEYWORDS: Mirrors, Lightweight mirrors, Space telescopes, Finite element methods, Adhesives, Optical instrument design, Distortion, Safety, Space mirrors, Optomechanical design

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Proceedings Article | 17 October 2012 Paper

Computer-aided alignment method using RMS WFE value as an optimization criterion

Yunjong Kim, Ho-Soon Yang, Yun-Woo Lee

Proceedings Volume 8491, 84910J (2012) https://doi.org/10.1117/12.928896

KEYWORDS: Optical alignment, Mirrors, Optical components, Spherical lenses, Infrared imaging, Infrared telescopes, Optimization (mathematics), Wavefronts, Lenses, Zernike polynomials

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Proceedings Article | 16 October 2012 Paper

Eight-axis-polishing machine for 2 m off-axis aspheric optics

Hyug-Gyo Rhee, Ho-Soon Yang, Il-Kweon Moon, Hagyong Kihm, Jae-Hyub Lee, Young-sik Ghim, Yun-Woo Lee

Proceedings Volume 8416, 84161K (2012) https://doi.org/10.1117/12.2009381

KEYWORDS: Polishing equipment, Interferometers, Aspheric optics, Calibration, Mirrors, Polishing, Optical fabrication, Heterodyning, Optical encoders, Finite element methods

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Proceedings Article | 16 October 2012 Paper

Ultra-precision surface polishing using ion beam figuring

Young-Sik Ghim, Shin-Jae You, Hyug-Gyo Rhee, Ho-Soon Yang, Yun-Woo Lee

Proceedings Volume 8416, 84161O (2012) https://doi.org/10.1117/12.973725

KEYWORDS: Ion beams, Surface finishing, Polishing, Ion beam finishing, Sputter deposition, Optical simulations, Surface roughness, Ions, Chemical species, Polyurethane

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Proceedings Article | 15 October 2012 Paper

1-m lightweight mirror design using genetic algorithm

Hagyong Kihm, Il Kweon Moon, Ho-Soon Yang, Yun-Woo Lee

Proceedings Volume 8415, 841514 (2012) https://doi.org/10.1117/12.2002566

KEYWORDS: Mirrors, Lightweight mirrors, Finite element methods, Genetic algorithms, Space mirrors, Glasses, Space telescopes, Astronomical imaging, Optical design, Mirror mounts

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Proceedings Article | 15 October 2012 Paper

Development status of the prototype of the GMT fast steering mirror

Young-Soo Kim, Ju Heon Koh, Inwoo Chung, Myung Cho, Ho-Soon Yang, Ho-Sang Kim, Hyo-Sung Ahn, Inwoo Han, Jaemann Kyeong, Moo-Young Chun, Byeong-Gon Park

Proceedings Volume 8415, 84150B (2012) https://doi.org/10.1117/12.2002577

KEYWORDS: Mirrors, Prototyping, Space telescopes, Telescopes, Off axis mirrors, Astronomy, Image segmentation, Actuators, Space mirrors, Observatories

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Proceedings Article | 27 September 2012 Paper

Design and development of a wide field telescope

Il Moon, Sangon Lee, Juhee Lim, Ho-Soon Yang, Hyug-Gyo Rhee, Jae Bong Song, Yun Woo Lee, Jong Ung Lee, Ho Jin

Proceedings Volume 8444, 844448 (2012) https://doi.org/10.1117/12.926647

KEYWORDS: Telescopes, Mirrors, Space telescopes, Optical instrument design, Lenses, Finite element methods, CCD cameras, Image analysis, Motion analysis, Optical design

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Proceedings Article | 24 September 2011 Paper

Lens mount with ring-flexures for athermalization

Hagyong Kihm, Ho-Soon Yang, Yun-Woo Lee, Jong-Ung Lee

Proceedings Volume 8125, 81250P (2011) https://doi.org/10.1117/12.892051

KEYWORDS: Adhesives, Thermography, Finite element methods, Birefringence, Photovoltaics, Interferometers, Optical mounts, Interferometry, Silica, Optics manufacturing

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Proceedings Article | 3 September 2010 Paper

Integration of differential wavefront sampling with merit function regression for efficient alignment of three-mirror anastigmat optical system

Eun-Song Oh, Seonghui Kim, Yunjong Kim, Hanshin Lee, Sug-Whan Kim, Ho-Soon Yang

Proceedings Volume 7793, 77930F (2010) https://doi.org/10.1117/12.860767

KEYWORDS: Wavefronts, Optical alignment, Error analysis, Optical design, Mirrors, Tolerancing, Zernike polynomials, Optimization (mathematics), Optical components, Aerospace engineering

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Proceedings Article | 22 August 2009 Paper

Alignment of off-axis optical system with multi mirrors using derivative of Zernike polynomial coefficient

Yunjong Kim, Ho-Soon Yang, Sug-Whan Kim, Yun-Woo Lee

Proceedings Volume 7433, 74330C (2009) https://doi.org/10.1117/12.825826

KEYWORDS: Optical alignment, Wavefronts, Telescopes, Zernike polynomials, Optical components, Error analysis, Mirrors, Interferometry, Device simulation, Off axis mirrors

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Proceedings Article | 22 August 2009 Paper

Modified alignment CGHs for aspheric surface test

Jae-Bong Song, Ho-Soon Yang, Hyug-Gyo Rhee, Yun-Woo Lee

Proceedings Volume 7426, 742616 (2009) https://doi.org/10.1117/12.826659

KEYWORDS: Computer generated holography, Aspheric lenses, Optical alignment, Diffraction, Eye, Optical testing, Mirrors, Spatial frequencies, Wavefronts, Interferometers

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Proceedings Article | 11 December 2008 Paper

Prototype development of a compact imaging spectrometer (COMIS) for a microsatellite, STSAT3

Jun Ho Lee, Y. M. Kim, T. Jang, H. Yang, K. I. Kang, S. W. Rhee

Proceedings Volume 7149, 71490N (2008) https://doi.org/10.1117/12.802344

KEYWORDS: Electronics, Spectroscopy, Telescopes, Charge-coupled devices, Prototyping, Optics manufacturing, 3D modeling, Satellites, Modulation transfer functions, Spectral resolution

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Proceedings Article | 14 February 2008 Paper

Uncertainty analysis on optical testing with a Shack-Hartmann sensor and a point source

Dong Won Kang, Jin Seok Lee, Ho-Soon Yang, Jae Won Hahn

Proceedings Volume 6884, 68840U (2008) https://doi.org/10.1117/12.762505

KEYWORDS: Optical testing, Wavefronts, Relays, Calibration, Wavefront sensors, Sensors, Charge-coupled devices, Spherical lenses, Microlens array, Digital video discs

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Proceedings Article | 27 November 2007 Paper

Fabrication of MTF measurement system for a mobile phone lens using multi-square objects

Sung Mok Hong, Jae Heung Jo, Hoi Youn Lee, Ho Soon Yang, Yun Woo Lee, In Won Lee

Proceedings Volume 6723, 67233C (2007) https://doi.org/10.1117/12.783498

KEYWORDS: Modulation transfer functions, Cell phones, Sensors, Optical transfer functions, Signal detection, Cameras, CCD image sensors, Charge-coupled devices, Measurement devices, Optics manufacturing

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Proceedings Article | 14 November 2007 Paper

Development of TIF based figuring algorithm for deterministic pitch tool polishing

Hyun-Su Yi, Sug-Whan Kim, Ho-Soon Yang, Yun-Woo Lee

Proceedings Volume 6722, 67220K (2007) https://doi.org/10.1117/12.782849

KEYWORDS: Polishing, Surface finishing, Mirrors, Algorithm development, Motion models, Polishing equipment, Process control, Astronomical imaging, 3D modeling, Motion analysis

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Proceedings Article | 14 September 2007 Paper

Aspheric measurement based on the curvature sensing method

YongKwan Kwon, ByoungChang Kim, Duck Hyun Wang, YunWoo Lee, HoSoon Yang, HyugGyo Rhee

Proceedings Volume 6671, 667119 (2007) https://doi.org/10.1117/12.734117

KEYWORDS: Sensors, Aspheric lenses, Interferometers, Wavefronts, Mirrors, Metrology, Collimation, Ferroelectric materials, Objectives, Profiling

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Proceedings Article | 14 August 2006 Paper

A curvature sensor using white-light scanning interferometry

ByoungChang Kim, SeHeon Kim, YongKwan Kwon, YunWoo Lee, HoSoon Yang, HyugGyo Rhee

Proceedings Volume 6292, 629219 (2006) https://doi.org/10.1117/12.675925

KEYWORDS: Sensors, Interferometers, Wavefronts, Interferometry, Distance measurement, Objectives, Spherical lenses, Aspheric lenses, Profiling, Collimation

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Proceedings Article | 14 August 2006 Paper

Computer aided alignment using Zernike coefficients

Ho-Soon Yang, Sung-Hee Kim, Yun-Woo Lee, Jae-Bong Song, Hyug-Gyo Rhee, Hoi-Yoon Lee, Jae-Hyeob Lee, In-Won Lee, Sug-Whan Kim

Proceedings Volume 6293, 62930I (2006) https://doi.org/10.1117/12.678647

KEYWORDS: Collimators, Mirrors, Dysprosium, Optical alignment, Algorithm development, Optical design software, Telescopes, Neodymium, Detection and tracking algorithms, Optimization (mathematics)

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Proceedings Article | 1 February 2006 Paper

Optical test for the primary mirror of a space telescope using a CGH null lens

Jae Bong Song, Yun Woo Lee, Hoi Youn Lee, Ho Soon Yang, In Won Lee

Proceedings Volume 6034, 60341M (2006) https://doi.org/10.1117/12.668159

KEYWORDS: Computer generated holography, Phase modulation, Mirrors, Optical testing, Spatial frequencies, Aspheric lenses, Wavefronts, Interferometers, Space telescopes, Holograms

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Proceedings Article | 9 December 2005 Paper

Analysis of various correction factors for MTF measurement with a square object

Sung Mok Hong, Jae Heung Jo, Hee Sung Cho, Hoi Youn Lee, Ho Soon Yang, Yun Woo Lee, In Won Lee

Proceedings Volume 6024, 60240W (2005) https://doi.org/10.1117/12.666838

KEYWORDS: Modulation transfer functions, Charge-coupled devices, Lamps, Factor analysis, Halogens, Diffusers, Optical transfer functions, Error analysis, Gaussian beams, Fourier transforms

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Proceedings Article | 13 September 2005 Paper

Lessons learned from the optics and focal plane alignment of a wide field of view RC telescope

Eugene Kim, Young-Wan Choi, Myung-Seok Kang, Ee-Eul Kim, Ho-Soon Yang, Ad. Mohd. Afiq Bin Ismail, Ahmad Sabirin Arshad

Proceedings Volume 5877, 58770C (2005) https://doi.org/10.1117/12.616341

KEYWORDS: Mirrors, Modulation transfer functions, Telescopes, Space telescopes, Cameras, Wavefronts, Error analysis, Optical fabrication, Optical alignment, Collimators

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Proceedings Article | 22 August 2005 Paper

Pre-flight performance characterization of RazakSAT medium-sized aperture camera (MAC)

Young-Wan Choi, Eugene Kim, Myung-Seok Kang, Sung-Keun Jeong, Seung-Uk Yang, Jongun Kim, Ee-Eul Kim, Sung-Dong Park, Ho-Soon Yang, Ad. Afiq bin Ismail, Ahmad Arshad

Proceedings Volume 5882, 588205 (2005) https://doi.org/10.1117/12.616878

KEYWORDS: Modulation transfer functions, Staring arrays, Collimators, Cameras, Imaging systems, Telescopes, Signal processing, Electro optical modeling, Space telescopes, Electronics

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Proceedings Article | 19 August 2005 Paper

Development of Cassegrain type 0.9-m collimator

Ho-Soon Yang, Myung-Seok Kang, Sung-Hee Kim, Yun-Woo Lee, Jae-Hyub Lee, Jae-Bong Song, Hoi-Youn Lee, Sung-Whan Kim, Jong-Ung Lee, In-Won Lee

Proceedings Volume 5869, 586913 (2005) https://doi.org/10.1117/12.616174

KEYWORDS: Mirrors, Collimators, Telescopes, Space telescopes, Surface finishing, Optical alignment, Polishing, Interferometers, Optical fabrication, Manufacturing

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Proceedings Article | 19 August 2005 Paper

Real-time measurement of the small aspheric surface

Ho-Soon Yang, Jae-Bong Song, Yun-Woo Lee, Hoi-Yoon Lee, Jae-Hyeob Lee, In-Won Lee

Proceedings Volume 5869, 586916 (2005) https://doi.org/10.1117/12.616460

KEYWORDS: Computer generated holography, Sensors, Aspheric lenses, Interferometers, Wavefronts, Optical testing, Mirrors, Calibration, Manufacturing, Error analysis

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Proceedings Article | 10 February 2005 Paper

Implementation of Hartmann test for measuring 0.9-m aspheric mirror

Ho-Soon Yang, Yun-Woo Lee, Jae-Hyub Lee, Jae-Bong Song, Hoi-Youn Lee, In-Won Lee

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.575568

KEYWORDS: Sensors, Mirrors, Aspheric lenses, Aspheric optics, Interferometers, Wavefronts, Polishing, Surface finishing, Optics manufacturing, Optical testing

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Proceedings Article | 26 October 2004 Paper

Development of small-sized aperture camera (SAC) for high-performance imaging on small satellites

Young-Wan Choi, Eugene Kim, Myung-Seok Kang, Seung-Uk Yang, Jongun Kim, Ee-Eul Kim, Sung-Dong Park, Ho-Soon Yang

Proceedings Volume 5542, (2004) https://doi.org/10.1117/12.560223

KEYWORDS: Cameras, Satellites, Imaging systems, Electroluminescence, Mirrors, Error analysis, Satellite imaging, Modulation transfer functions, Directed self assembly, Stress analysis

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Proceedings Article | 26 October 2004 Paper

Medium-sized aperture camera for Earth observation from space

Eugene Kim, Young-Wan Choi, Myung-Seok Kang, Ee-Eul Kim, Ho-Soon Yang, Abdul Aziz Abdul Rasheed, Ahmad Arshad

Proceedings Volume 5542, (2004) https://doi.org/10.1117/12.560207

KEYWORDS: Mirrors, Modulation transfer functions, Space telescopes, Telescopes, Cameras, Satellites, Lenses, Aspheric optics, Spherical lenses, Fermium

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Proceedings Article | 30 September 2004 Paper

Alignment methods for Cassegrain and RC telescope with wide field of view

Ho-Soon Yang, Yun-Woo Lee, Eugene Kim, Young-Wan Choi, Ad. Aziz Rasheed

Proceedings Volume 5528, (2004) https://doi.org/10.1117/12.558998

KEYWORDS: Telescopes, Space telescopes, Mirrors, Interferometers, Cameras, Optical alignment, Monochromatic aberrations, Wavefronts, Satellites, Device simulation

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Proceedings Article | 15 November 2002 Paper

Aluminium-based high-resolution camera for a small satellite

Ho Soon Yang, Young-Wan Choi, Myung-Suk Kang, Seong-Keun Jeong, Seung-Uk Yang, Ee-Eul Kim, Ad Aziz Ad Rasheed

Proceedings Volume 4824, (2002) https://doi.org/10.1117/12.451859

KEYWORDS: Mirrors, Modulation transfer functions, Phase modulation, Cameras, Satellites, Telescopes, Aluminum, Optical fabrication, Lenses, Surface finishing

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Proceedings Article | 19 June 2002 Paper

Dual testing of a large-aperture optical system

Jong Sup Song, Yun Woo Lee, Jae Bong Song, In Won Lee, Ho-Soon Yang, Young-Wan Choi, Jae Heung Jo

Proceedings Volume 4778, (2002) https://doi.org/10.1117/12.473560

KEYWORDS: Modulation transfer functions, Wavefronts, Telescopes, Mirrors, Interferometers, Collimators, Off axis mirrors, Collimation, Optical testing, Image analysis

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Proceedings Article | 5 February 2002 Paper

Progress on development of prototype laser reference system for stylus profilometry of large optics

Ho-Soon Yang, David Walker

Proceedings Volume 4411, (2002) https://doi.org/10.1117/12.454885

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Proceedings Article | 19 August 1996 Paper

OGLP-400: an innovative computer-controlled polishing machine

Sug-Whan Kim, David Rees, David Walker, Richard Bingham, David Brooks, Brian Humm, Heshmat Jamshidi, Do-Hyung Kim, Ho-Soon Yang, Gilbert Nixon

Proceedings Volume 2775, (1996) https://doi.org/10.1117/12.246779

KEYWORDS: Polishing, Surface finishing, Mirrors, Polishing equipment, Prototyping, Control systems, Active optics, Aspheric lenses, Astronomical imaging, Aspheric optics

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Showing 5 of 44 publications

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