Prof. Jyh-Long Chern Profile

Prof. Jyh-Long Chern

President and CEO at Power Lens Technology Inc

SPIE Involvement:

Author

Proceedings Article | 19 October 2012 Paper

Photorealistic rendering application to the design of LED flash lens

Jyh-Long Chern

Proceedings Volume 8487, 84870H (2012) https://doi.org/10.1117/12.930567

KEYWORDS: Light emitting diodes, Lens design, Colorimetry, Cameras, Waveguides, Light sources, Light sources and illumination, Color difference, RGB color model, Tolerancing

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Proceedings Article | 15 October 2012 Paper

Verification of Fresnel lens in high concentration photovoltaic system

An-Chi Wei, Jyh-Rou Sze, Jyh-Long Chern

Proceedings Volume 8491, 84910R (2012) https://doi.org/10.1117/12.933858

KEYWORDS: Fresnel lenses, Solar cells, Tolerancing, Collimation, Photovoltaics, Computer simulations, Light sources, Sun, Inspection, Applied research

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SPIE Journal Paper | 20 April 2012

Light-emitting diodes on curved ceramic substrate with primary optics for modification of luminous intensity

An-Chi Wei, Jyh-Long Chern, Jyh-Rou Sze

JPE, Vol. 2, Issue 1, 026501, (April 2012) https://doi.org/10.1117/12.10.1117/1.JPE.2.026501

KEYWORDS: Light emitting diodes, Ceramics, Roads, Light sources and illumination, LED lighting, Receivers, Lens design, Luminous efficiency, Freeform optics, Lighting standards

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Proceedings Article | 24 September 2011 Paper

LEDs on curved ceramic substrate with primary optics for modification of luminous intensity

An-Chi Wei, Jyh-Rou Sze, Jyh-Long Chern

Proceedings Volume 8123, 81231I (2011) https://doi.org/10.1117/12.893361

KEYWORDS: Light emitting diodes, Ceramics, Roads, Light sources and illumination, Lens design, Luminous efficiency, Freeform optics, Thermography, Lighting standards, LED lighting

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SPIE Journal Paper | 1 February 2010

Programmable apodizer in incoherent imaging systems using a digital micromirror device

Chu-Ming Cheng, Jyh-Long Chern

OE, Vol. 49, Issue 02, 023201, (February 2010) https://doi.org/10.1117/12.10.1117/1.3314306

KEYWORDS: Digital micromirror devices, Imaging systems, Optical transfer functions, Binary data, Prisms, Transmittance, Optical engineering, Spatial frequencies, Micromirrors, Charge-coupled devices

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Proceedings Article | 2 September 2008 Paper

Polarization-preserving angular shifter

Yi-Kai Cheng, Jyh-Long Chern

Proceedings Volume 7059, 70590J (2008) https://doi.org/10.1117/12.795848

KEYWORDS: Dielectric polarization, Reflection, Polarization, Beam propagation method, Collimation, Refractive index, Tolerancing, Manufacturing, Interfaces, Glasses

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Proceedings Article | 2 September 2008 Paper

Design of circular-shape no-loss bent lightpipe with a novel transform of elliptical form

Yi-Wen Peng, Jyh-Long Chern

Proceedings Volume 7059, 70590I (2008) https://doi.org/10.1117/12.795801

KEYWORDS: Waveguides, Light, Photonics, Electro-optical engineering, Microelectronics, Electro optical systems, Polarization, Optical design, Optical components, Projection systems

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Proceedings Article | 18 September 2007 Paper

Zoom lens design of mobilephone camera with global-explorer optimization

Chao-Yu Hung, Jyh-Long Chern

Proceedings Volume 6668, 66680P (2007) https://doi.org/10.1117/12.733486

KEYWORDS: Zoom lenses, Lens design, Cameras, Cell phones, Optical design, Distortion, Aspheric lenses, Optical components, Geometrical optics, Modulation transfer functions

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SPIE Journal Paper | 1 October 2006

Application of a global optimization process to the design of pickup heads for compact and digital versatile disks

Chao-Hsi Tsao, Jyh-Long Chern

OE, Vol. 45, Issue 10, 103001, (October 2006) https://doi.org/10.1117/12.10.1117/1.2361281

KEYWORDS: Aspheric lenses, Optimization (mathematics), Digital video discs, Head, Lens design, Optical design, Objectives, Optical engineering, Algorithm development, Compact discs

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Proceedings Article | 18 July 2006 Paper

Equiangular-spiral non-loss bent lightpipe and its applications

Shu-Chun Chu, Jyh-Long Chern

Proceedings Volume 6342, 63420S (2006) https://doi.org/10.1117/12.692258

KEYWORDS: Optical components, Reflection, RGB color model, Waveguides, Light, Light sources, Refractive index, Light emitting diodes, Ray tracing, Optical design

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Proceedings Article | 17 July 2006 Paper

Design of aspheric lens to collimate and uniform irradiance of a light source with Lambertian angular distribution

Chieh-Jen Cheng, Jyh-Long Chern

Proceedings Volume 6342, 63422F (2006) https://doi.org/10.1117/12.692228

KEYWORDS: Aspheric lenses, Light sources, Point spread functions, Lens design, OSLO, Computer simulations, Ray tracing, Light emitting diodes, Optical design, Refractive index

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Proceedings Article | 17 July 2006 Paper

Application of global optimization to design of an aspheric pickup head for multiple wavelengths

Chao-Hsi Tsao, Jyh-Long Chern

Proceedings Volume 6342, 63422G (2006) https://doi.org/10.1117/12.692230

KEYWORDS: Objectives, Digital video discs, Aspheric lenses, Optimization (mathematics), Lens design, Optical design, Head, Compact discs, Point spread functions, Stochastic processes

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Proceedings Article | 23 January 2006 Paper

New fabrication for DSRRs nanostructure in optics

Chang-Sheng Chu, Rung-Ywan Tsai, Pong Lai, Jyh-Long Chern

Proceedings Volume 6029, 602918 (2006) https://doi.org/10.1117/12.667741

KEYWORDS: Polymers, Nanolithography, Nanostructures, Gold, Metals, Silver, Ultraviolet radiation, Photoresist materials, Thin film coatings, Nanoimprint lithography

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Proceedings Article | 23 December 2002 Paper

Nulling interferometry with a single-element phase-shifting interferometer

Kuo-Hui Chang, A-Chuan Hsu, Jyh-Long Chern

Proceedings Volume 4832, (2002) https://doi.org/10.1117/12.486439

KEYWORDS: Interferometers, Nulling interferometry, Phase shifts, Wave plates, Liquid crystals, Optical simulations, Telescopes, Destructive interference, Information operations, Interferometry

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Proceedings Article | 23 December 2002 Paper

Porro's achromatic polarization-preserving beam displacer

A-Chuan Hsu, Cheng-Fang Ho, Jyh-Long Chern

Proceedings Volume 4832, (2002) https://doi.org/10.1117/12.486444

KEYWORDS: Polarization, Dielectric polarization, Prisms, Reflection, Tolerancing, Coating, Optical simulations, Optical fibers, Phase shifting, Mirrors

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Showing 5 of 15 publications

Conference Committee Involvement (8)

Novel Optical Systems Design and Optimization XVII

17 August 2014 | San Diego, California, United States

Novel Optical Systems Design and Optimization XVI

27 August 2013 | San Diego, California, United States

Novel Optical Systems Design and Optimization XV

15 August 2012 | San Diego, California, United States

Novel Optical Systems Design and Optimization XIV

22 August 2011 | San Diego, California, United States

Novel Optical Systems Design and Optimization XIII

3 August 2010 | San Diego, California, United States

Showing 5 of 8 Conference Committees

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