Dr. David G. Pelka Profile

Dr. David G. Pelka

President, . at Pelka & Associates,Inc.

SPIE Involvement:

Author

Publications (20)

SPIE Journal Paper | 1 January 2011

Size- and structure-dependent efficiency enhancement for luminescent solar concentrators

Chunhua Wang, Roland Winston, Weiya Zhang, David Pelka, Sue Carter

JPE, Vol. 1, Issue 1, 015502, (January 2011) https://doi.org/10.1117/12.10.1117/1.3534864

KEYWORDS: Solar cells, Diffusers, Solar concentrators, Absorption, Polymethylmethacrylate, Energy efficiency, Refractive index, Photovoltaics, Solids, Geometrical optics

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SPIE Journal Paper | 1 January 2011

Publisher's Note: Journal of Photonics for Energy, Volume 1

Sue Carter, Netanel Bar-David, Chunhua Wang, Roland Winston, Weiya Zhang, David Pelka, Ohad Fixler, Zeev Zalevsky

JPE, Vol. 1, Issue 1, 010102, (January 2011) https://doi.org/10.1117/12.10.1117/1.3567199

Proceedings Article | 19 August 2010 Paper

Optical enhancement for luminescent solar concentrators

Chunhua Wang, Roland Winston, Weiya Zhang, Dave Pelka, Sue Carter

Proceedings Volume 7785, 77850D (2010) https://doi.org/10.1117/12.863250

KEYWORDS: Solar cells, Diffusers, Solar concentrators, Absorption, Polymethylmethacrylate, Rhodium, Geometrical optics, Photovoltaics, Dye lasers, Optical design

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Proceedings Article | 19 August 2010 Paper

Efficiency improvement by near infrared quantum dots for luminescent solar concentrators

Chunhua Wang, Georgiy Shcherbatyuk, Richard Inman, Dave Pelka, Weiya Zhang, Yvonne Rodriguez, Sue Carter, Roland Winston, Sayantani Ghosh

Proceedings Volume 7772, 77720G (2010) https://doi.org/10.1117/12.860094

KEYWORDS: Lead, Solar cells, Absorption, Quantum dots, Rhodium, Near infrared, Solar concentrators, Solar energy, Glasses, Quantum efficiency

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Proceedings Article | 11 September 2006 Paper

Free-form illumination lenses designed by a pseudo-rectangular lawnmower algorithm

Bill Parkyn, David Pelka

Proceedings Volume 6338, 633808 (2006) https://doi.org/10.1117/12.682899

KEYWORDS: Lenses, Spherical lenses, Lens design, Optical spheres, Semiconductors, Refractive index, Light emitting diodes, Spine, Lamps, Raster graphics

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Proceedings Article | 14 September 2005 Paper

LED downlights with non-circular spots

William Parkyn, David Pelka

Proceedings Volume 5941, 594119 (2005) https://doi.org/10.1117/12.619154

KEYWORDS: Light emitting diodes, Diffusers, Computer generated holography, Lamps, Lenses, LED lighting, Light sources and illumination, Light scattering, Scattering, Light sources

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Proceedings Article | 13 September 2005 Paper

Linear lighting systems for shelf and cove lighting

William Parkyn, David Pelka, Andy Lipman

Proceedings Volume 5941, 59410P (2005) https://doi.org/10.1117/12.619153

KEYWORDS: Light sources and illumination, Light emitting diodes, Lenses, Lamps, Solid state lighting, LED lighting, Prototyping, Light sources, Reflectors, Computer simulations

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Proceedings Article | 8 September 2005 Paper

Illuminance-mapping linear lenses for LEDs

William Parkyn, David Pelka

Proceedings Volume 5942, 59420L (2005) https://doi.org/10.1117/12.619139

KEYWORDS: Light emitting diodes, Lenses, Light sources and illumination, Lamps, Cylindrical lenses, Light sources, Lens design, Reflectors, Light, Refraction

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Proceedings Article | 8 September 2005 Paper

Illumination-redistribution lenses for non-circular spots

William Parkyn, David Pelka

Proceedings Volume 5942, 594208 (2005) https://doi.org/10.1117/12.619145

KEYWORDS: Lenses, Light emitting diodes, Mirrors, Reflectors, Lens design, Aspheric lenses, Light sources, Reflection, Detection and tracking algorithms, Buildings

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Proceedings Article | 12 November 2003 Paper

An overview of LED applications for general illumination

David Pelka, Kavita Patel

Proceedings Volume 5186, (2003) https://doi.org/10.1117/12.509164

KEYWORDS: Light emitting diodes, LED lighting, Diffusers, Lamps, Light sources and illumination, Computer generated holography, Light sources, LED backlight, Light scattering, Scattering

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Proceedings Article | 19 November 2001 Paper

Uniformly illuminating dual-lens system for LED collimation

William Parkyn, David Pelka

Proceedings Volume 4446, (2001) https://doi.org/10.1117/12.448821

KEYWORDS: Light emitting diodes, Collimation, Collimators, Diffusers, LCDs, Spherical lenses, Light, Reflection, Scattering, LED lighting

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Proceedings Article | 6 October 1999 Paper

Black hole: cuspated waveguide injectors and illuminators for LEDs

William Parkyn, David Pelka, John Popovich

Proceedings Volume 3781, (1999) https://doi.org/10.1117/12.368251

KEYWORDS: Waveguides, Light emitting diodes, Fiber optic illuminators, Reflectors, Planar waveguides, Near field optics, Near field, Transform theory, Light, Tolerancing

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Proceedings Article | 20 October 1998 Paper

Uniform LED illuminator for miniature displays

Vladimir Medvedev, David Pelka, William Parkyn

Proceedings Volume 3428, (1998) https://doi.org/10.1117/12.327957

KEYWORDS: Light emitting diodes, Lamps, Geometrical optics, Ray tracing, LED displays, Reflection, LCDs, Fiber optic illuminators, Nonimaging optics, Solids

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Proceedings Article | 3 October 1997 Paper

New TIR lens applications for light-emitting diodes

William Parkyn, David Pelka

Proceedings Volume 3139, (1997) https://doi.org/10.1117/12.290217

KEYWORDS: Light emitting diodes, Mirrors, Lamps, Reflectors, Prototyping, Fresnel lenses, Optical components, Collimation, Optical filters, Optical properties

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Proceedings Article | 3 October 1997 Paper

Uniform high-efficiency condenser for projection systems

Vladimir Medvedev, William Parkyn, David Pelka

Proceedings Volume 3139, (1997) https://doi.org/10.1117/12.290216

KEYWORDS: Objectives, Projection systems, LCDs, Fresnel lenses, Lamps, Optical design, Distortion, Geometrical optics, Aspheric lenses, Vignetting

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Proceedings Article | 21 August 1995 Paper

TIR lenses for fluorescent lamps

William Parkyn, David Pelka

Proceedings Volume 2538, (1995) https://doi.org/10.1117/12.216971

KEYWORDS: Lamps, Lenses, Lens design, Prototyping, Refraction, Mirrors, Light sources, LCDs, Collimation, Light emitting diodes

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Proceedings Article | 21 October 1994 Paper

Poled electro-optic photolime gel polymer doped with chlorophenol red and bromomethyl blue chromophores

David Gerold, Ray Chen, William Farone, David Pelka

Proceedings Volume 2291, (1994) https://doi.org/10.1117/12.190926

KEYWORDS: Polymers, Electro optics, Electro optic polymers, Electrodes, Polymer thin films, Chromophores, Modulation, Polarizers, Glasses, Dielectric polarization

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Proceedings Article | 1 November 1993 Paper

Converging TIR lens for nonimaging concentration of light from compact incoherent sources

William Parkyn, Philip Gleckman, David Pelka

Proceedings Volume 2016, (1993) https://doi.org/10.1117/12.161947

KEYWORDS: Nonimaging optics, Reflectors, Monochromatic aberrations, Light, Vignetting, Mirrors, Thermodynamics, Refractive index, Solids, Fiber optics

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Proceedings Article | 24 October 1991 Paper

Compact nonimaging lens with totally internally reflecting facets

William Parkyn, David Pelka

Proceedings Volume 1528, (1991) https://doi.org/10.1117/12.49131

KEYWORDS: Fresnel lenses, Nonimaging optics, Solar concentrators, Mirrors, Thermodynamics, Manufacturing, Light, Reflectors, Optics manufacturing, Imaging systems

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Proceedings Article | 1 June 1990 Paper

Microcircuit lithography using holographic imaging

Ray Chen, Tin Aye, Lev Sadovnik, David Pelka, Tomasz Jannson

Proceedings Volume 1264, (1990) https://doi.org/10.1117/12.20199

KEYWORDS: Holograms, Holography, Lithography, Glasses, Photoresist materials, Image resolution, Prisms, Diffraction, Photomasks, Optical lithography

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Showing 5 of 20 publications

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