Mr. Yu-Hsuan Lin Profile

Yu-Hsuan Lin

Assistant Researcher at Taiwan Instrument Research Institute

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Publications (8)

Proceedings Article | 24 April 2018 Paper

Low dose of narrow-band ultraviolet B lamp for improving vitamin D synthesis with minimum skin damage

Yu-Hsuan Lin, Yi-Wen Chiu, Ming-Yen Lin, Siao-Ping Tsai, Feng-Xuan Jian, Shang-Jyh Hwang, Kuo-Cheng Huang

Proceedings Volume 10711, 1071127 (2018) https://doi.org/10.1117/12.2316786

KEYWORDS: Ultraviolet radiation, Lamps, Skin, Light sources, Applied research, Linear filtering, Radiation effects, Skin cancer, Medical research, Nephrology

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Proceedings Article | 22 June 2013 Paper

A filter lens for optical compensation in transmission spectrum

Yu-Hsuan Lin, Hsin-Yi Tsai, Han-Chao Chang, Chun-Jen Weng, Kuo-Cheng Huang

Proceedings Volume 8769, 87692U (2013) https://doi.org/10.1117/12.2019725

KEYWORDS: Optical filters, Lens design, Glasses, Optical components, Absorption, Aberration correction, Bandpass filters, Dielectric filters, Refraction, Applied research

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Proceedings Article | 12 February 2007 Paper

Multiple-functional and cost-effective liquid-crystal cell parameter measurement system

Gao-Wei Chang, Yu-Hsuan Lin, Zong-Mu Yeh

Proceedings Volume 6487, 64870Z (2007) https://doi.org/10.1117/12.700071

KEYWORDS: Liquid crystals, Polarizers, LCDs, Polarimetry, Molecules, Control systems, Optics manufacturing, Optical alignment, Crystals, Electro optical systems

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Proceedings Article | 19 January 2007 Paper

White light interferometric profile measurement system using spectral coherence

Gao-Wei Chang, Yu-Hsuan Lin, Zong-Mu Yeh

Proceedings Volume 6463, 64630I (2007) https://doi.org/10.1117/12.700003

KEYWORDS: Optical filters, Light sources, Spectral coherence, Michelson interferometers, Light, 3D metrology, Charge-coupled devices, Digital signal processing, Interferometry, Filtering (signal processing)

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Proceedings Article | 1 September 2005 Paper

Automatic LCD electro-optical characteristics measurement system based on generalized spectroscopic ellipsometry

Gao-Wei Chang, Yu-Hsuan Lin

Proceedings Volume 5875, 58750W (2005) https://doi.org/10.1117/12.616875

KEYWORDS: Liquid crystals, LCDs, Electro optics, Spectroscopic ellipsometry, Electro optical systems, Ellipsometry, Refractive index, Light sources, Thin films, Interfaces

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Proceedings Article | 24 August 2005 Paper

Design and implementation of high-performance and cost-effective white-light interferometric profile measurement systems

Gao-Wei Chang, Yu-Hsuan Lin, Chi-Cheng Kuan

Proceedings Volume 5878, 58781C (2005) https://doi.org/10.1117/12.616765

KEYWORDS: Optical filters, Light sources, Interferometry, Light, 3D metrology, Charge-coupled devices, Spectral coherence, Superposition, 3D image processing, Ferroelectric materials

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White light interferometry (WLI) has played an important role in nano- and micro-scale profile measurement technology. To meet the demand of high-accuracy, high-repeatability, and cost-effective measurement, the research activities on WLI and its applications are rapidly in progress. WLI is based on the superposition of waves with different but very close wavelengths to produce beat phenomena (or to generate detectable envelopes in the interferogram) and then to identify the locations of the zero-order interference fringes (or those of the maximum intensities of interference fringes without the optical path difference). The locations reflect the information of three dimensional (3D) surface profiles from the consecutively acquired images in a WLI system. The objective of this paper is to develop a high-accuracy and cost-effective WLI measurement system, especially for the surfaces of micro-mechatronic devices, micro-optical components, semiconductor devices, etc. In our approach, the feasibility of the use of spectral coherence properties to meet the system design requirement is first investigated. Specifically, proper spectral filters are employed to enhance the coherence length of the light source (i.e., that of the filtered light source) to an order of ten micrometers. Then, a Young's double-slit interference experiment with filtered and unfiltered white light sources is conducted to demonstrate the effectiveness of this technique. Also, we adopt a Michelson interferometric configuration as the optical module of the proposed WLI system, for the sake of its simplicity. Experimental results indicate that several inexpensive spectral filters, a lower-grade charge-couple-device (CCD) image sensor, and a PZT (piezoelectric transducer) with a lower movement resolution are merely needed to develop the WLI system, instead of the use of higher-grade optical and optomechanical components. It turns out that the proposed system with high-accuracy measurement performance is more cost-effective than others.

Proceedings Article | 24 August 2005 Paper

Optomechanical analysis for confocal laser scanning microscopes

Gao-Wei Chang, Ming-Jenq Twu, Yu-Hsuan Lin, Chia-Cheng Liao, Hung-Zen Kuo

Proceedings Volume 5877, 587710 (2005) https://doi.org/10.1117/12.616640

KEYWORDS: Confocal microscopy, Microscopes, Sensors, Objectives, Point spread functions, Image processing, Laser scanners, Optical simulations, Tolerancing, Light sources

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Proceedings Article | 17 September 2002 Paper

Near-field aperture property of a nanometer AgOx thin film

Fu Ho, Hsun Hao Chang, Yu Hsaun Lin, Din Ping Tsai

Proceedings Volume 4930, (2002) https://doi.org/10.1117/12.483309

KEYWORDS: Near field optics, Thin films, Scanning electron microscopy, Silver, Near field, Charge-coupled devices, Optical properties, Scattering, Reflectivity, Near field scanning optical microscopy

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Showing 5 of 8 publications

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