Mr. Karlton D. Powell Profile

Karlton D. Powell

Research Engineer at MicroVision Inc

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Author

Publications (5)

Proceedings Article | 1 September 2004 Paper

Microlens array-based exit pupil expander for full-color display applications

Hakan Urey, Karlton Powell

Proceedings Volume 5456, (2004) https://doi.org/10.1117/12.547463

KEYWORDS: Microlens, Microlens array, Diffraction, Photoresist materials, Diffractive optical elements, Diffraction gratings, Grayscale lithography, Tolerancing, Optical alignment, Micro optics

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Proceedings Article | 8 September 2003 Paper

Exit pupil expander: image quality performance enhancements and environmental testing results

Karlton Powell, Peggy Lopez, Amjad Malik

Proceedings Volume 5079, (2003) https://doi.org/10.1117/12.499220

KEYWORDS: Eye, Modulation transfer functions, Displays, Aspheric lenses, Scanners, Optical components, Diffusers, Diffraction, Point spread functions, Image quality

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Proceedings Article | 5 August 2002 Paper

Novel approach to exit pupil expansion for wearable displays

Karlton Powell, Hakan Urey

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478876

KEYWORDS: Diffraction, Microlens, Fourier transforms, Displays, Eye, Manufacturing, Scanners, Microlens array, Beam propagation method, Near field

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Proceedings Article | 2 October 2001 Paper

High-frequency raster pinch correction scanner for retinal scanning displays

Hakan Urey, Frank DeWitt, Karlton Powell, Mircea Bayer

Proceedings Volume 4561, (2001) https://doi.org/10.1117/12.443107

KEYWORDS: Scanners, Raster graphics, Mirrors, Magnetism, Finite element methods, Tolerancing, Actuators, Silicon, Microelectromechanical systems, Retinal scanning

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Proceedings Article | 22 August 2001 Paper

Multibeam bidirectional raster scanning in retinal scanning displays

Karlton Powell, Hakan Urey, Mircea Bayer

Proceedings Volume 4361, (2001) https://doi.org/10.1117/12.438009

KEYWORDS: Raster graphics, Retinal scanning, Scanners, Head-mounted displays, Information operations, Phase shifts, Mirrors, Retina, Eye, Video

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