Prof. Chao-Wen Liang Profile

Prof. Chao-Wen Liang

Associate Professor at National Central Univ

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 19 September 2018 Paper

The measurement of the misalignment induced aberration of a miniature lens

Hung-Sheng Chang, Chao-Wen Liang

Proceedings Volume 10747, 1074706 (2018) https://doi.org/10.1117/12.2322975

KEYWORDS: Monochromatic aberrations, Wavefront sensors, Optical alignment, Optics manufacturing, Tolerancing, Wavefronts, Optical components, Sensors, Zernike polynomials, Optical testing

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Proceedings Article | 28 August 2016 Presentation + Paper

Angular line scanning deflectometry using a laser pico projector

Hao-Xun Zhan, Chao-Wen Liang, Shih-Che Chien

Proceedings Volume 9960, 99600O (2016) https://doi.org/10.1117/12.2236289

KEYWORDS: Optical testing, Deflectometry, Optical testing, Wavefronts, Phase shifting, Charge-coupled devices, Pico projectors, Projection systems, Gaussian beams, Wavefront aberrations, Data acquisition

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Proceedings Article | 12 September 2014 Paper

Image exposure suppressed optical system by spatial light modulator

Jhe Syuan Lin, Chao Wen Liang, Shih-Che Chien, Min-Fong Luo

Proceedings Volume 9193, 91930Z (2014) https://doi.org/10.1117/12.2062593

KEYWORDS: Liquid crystal on silicon, Relays, CCD image sensors, Spatial light modulators, Modulation, Image sensors, Distortion, Photography, Optical design, Modulation transfer functions

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Proceedings Article | 18 August 2014 Paper

Characterization of field dependent aberrations in Fizeau interferometer using double Zernike polynomials

Hung-Sheng Chang, Chao-Wen Liang, Po-Chih Lin, Ming-Sen Tsao,

Proceedings Volume 9203, 92030I (2014) https://doi.org/10.1117/12.2061493

KEYWORDS: Interferometers, Zernike polynomials, Wavefronts, Fizeau interferometers, Phase measurement, Monochromatic aberrations, Optical testing, Interferometry, Phase interferometry, Aspheric lenses

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Proceedings Article | 10 September 2013 Paper

Double Zernike polynomial and its application in optical alignment

Ming-Sen Tsao, Chao-Wen Liang

Proceedings Volume 8844, 88440B (2013) https://doi.org/10.1117/12.2023671

KEYWORDS: Zernike polynomials, Wavefronts, Telescopes, Mirrors, Optical aberrations, Optical alignment, Calcium, Monochromatic aberrations, Nonlinear response, Ray tracing

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Proceedings Article | 9 September 2013 Paper

Thin solar concentrator with high concentration ratio

Jhe-Syuan Lin, Chao-Wen Liang

Proceedings Volume 8821, 88210H (2013) https://doi.org/10.1117/12.2023536

KEYWORDS: Solar concentrators, Solar cells, Reflectivity, Relays, Optics manufacturing, Optical design, Lens design, Tolerancing, Dielectrics, Fresnel lenses

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Proceedings Article | 7 September 2013 Paper

The fast measurement of a mild asphere by the vibration-modulated sub-aperture stitching interferometer

Hung-Sheng Chang, Po-Chih Lin, Chao-Wen Liang, Yi-Chun Chen, Wei-Yao Hsu, Zong-Ru Yu

Proceedings Volume 8838, 88380C (2013) https://doi.org/10.1117/12.2023558

KEYWORDS: Aspheric lenses, Interferometers, Optical testing, Interferometry, Testing and analysis, Modulation, Phase measurement, Data acquisition, Phase shifting, Phase shifts

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Proceedings Article | 13 September 2012 Paper

Aberration compensation and position scanning of a subaperture stitching algorithm

Po-Chih Lin, Yan-An Chen, Hung-Sheng Chang, Chao-Wen Liang, Yi-Chun Chen

Proceedings Volume 8494, 84940L (2012) https://doi.org/10.1117/12.930317

KEYWORDS: Monochromatic aberrations, Aspheric lenses, Algorithm development, Stitching interferometry, Aspheric optics, Tolerancing, Interferometers, Computer programming, Optical testing, Wavefronts

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Proceedings Article | 27 May 2011 Paper

A subaperture stitching algorithm for aspheric surfaces

Po-Chih Lin, Yi-Chun Chen, Chung-Min Lee, Chao-Wen Liang

Proceedings Volume 8082, 80821G (2011) https://doi.org/10.1117/12.889098

KEYWORDS: Phase shifts, Algorithm development, Aspheric lenses, Wavefronts, Interferometers, Computer simulations, Monochromatic aberrations, Phase interferometry, Stitching interferometry, Phase measurement

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Proceedings Article | 23 May 2011 Paper

The off-axis alignment of an asphere by a Fizeau interferometer

Chao-Wen Liang, Yan-An Chen, Cheng-Chung Lee

Proceedings Volume 8083, 808312 (2011) https://doi.org/10.1117/12.889426

KEYWORDS: Monochromatic aberrations, Aspheric lenses, Fizeau interferometers, Phase measurement, Aspheric optics, Optical alignment, Optical testing, Computer generated holography, Wavefronts, Interferometers

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Proceedings Article | 21 August 2009 Paper

An improved phase quadrature correction method by fitting the pesudo quadrature phase difference

Chao-Wen Liang, Yung-Sheng Tsai

Proceedings Volume 7405, 74050O (2009) https://doi.org/10.1117/12.825854

KEYWORDS: Interferometers, Homodyne detection, Signal detection, Sensors, Polarization, Motion measurement, Heterodyning, Detection and tracking algorithms, Polarizers, Mirrors

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Proceedings Article | 2 September 2008 Paper

Cross-grating slit test with an interlacing tip-tilt alignment method

Chao-Wen Liang, Chien-Fu Ou

Proceedings Volume 7068, 70680I (2008) https://doi.org/10.1117/12.795083

KEYWORDS: Modulation, Ronchi rulings, LCDs, Mirrors, Phase shifting, Optical testing, Wavefronts, Spatial light modulators, Diffraction gratings, Light sources

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Showing 5 of 12 publications

Conference Committee Involvement (31)

Optical Metrology and Inspection for Industrial Applications XII

11 October 2025 | Beijing, China

Optical System Alignment, Tolerancing, and Verification XVI

3 August 2025 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications XI

12 October 2024 | Nantong, Jiangsu, China

Optical System Alignment, Tolerancing, and Verification XV

18 August 2024 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications X

15 October 2023 | Beijing, China

Optical Metrology and Inspection for Industrial Applications IX

5 December 2022 | Online Only, China

Optical System Alignment, Tolerancing, and Verification XIV

21 August 2022 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications VIII

11 October 2021 | Nantong, JS, China

Optomechanics and Optical Alignment

1 August 2021 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications VII

12 October 2020 | Online Only, China

Optical System Alignment, Tolerancing, and Verification XIII

24 August 2020 | Online Only, California, United States

Optical Metrology and Inspection for Industrial Applications VI

21 October 2019 | Hangzhou, China

Zoom Lenses VI

14 August 2019 | San Diego, California, United States

Optical Modeling and System Alignment

12 August 2019 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications V

11 October 2018 | Beijing, China

Interferometry XIX

21 August 2018 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification XII

19 August 2018 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification XI

6 August 2017 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications IV

12 October 2016 | Beijing, China

Interferometry XVIII

30 August 2016 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification X

28 August 2016 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification IX

9 August 2015 | San Diego, California, United States

Optical Metrology and Inspection for Industrial Applications III

9 October 2014 | Beijing, China

Optical System Alignment, Tolerancing, and Verification VIII

17 August 2014 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification VII

25 August 2013 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification VI

12 August 2012 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification V

21 August 2011 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification IV

1 August 2010 | San Diego, California, United States

Optical System Alignment, Tolerancing, and Verification III

2 August 2009 | San Diego, California, United States

Optical System Alignment and Tolerancing II

10 August 2008 | San Diego, California, United States

Optical System Alignment and Tolerancing

26 August 2007 | San Diego, California, United States

Showing 5 of 31 Conference Committees

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