Dr. Greg A. Williby Profile

Dr. Greg A. Williby

Manager, Optical Metrology at Johnson & Johnson Vision Care Inc

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Author

Publications (5)

Proceedings Article | 5 September 2014 Paper

Interferometry and ophthalmics at the College of Optical Sciences

John Greivenkamp, Gregory Williby, Eric Goodwin, Brian Primeau, Kyle Heideman, Jason Micali, Russell Spaulding

Proceedings Volume 9186, 91860W (2014) https://doi.org/10.1117/12.2064333

KEYWORDS: Interferometers, Contact lenses, Wavefronts, Cameras, Interfaces, Interferometry, Eye, Fluid dynamics, Refractive index, Refraction

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Proceedings Article | 22 December 2003 Paper

Interferometric testing of soft contact lenses

Gregory Williby, Daniel Smith, Richard Brumfield, John Greivenkamp

Proceedings Volume 5180, (2003) https://doi.org/10.1117/12.505854

KEYWORDS: Wavefronts, Sensors, Contact lenses, Interferometers, Calibration, Ray tracing, Interferometry, Optical testing, Monochromatic aberrations, Metrology

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Proceedings Article | 14 August 2001 Paper

Aspheric metrology with a Shack-Hartmann wavefront sensor

John Greivenkamp, Daniel Smith, Robert Gappinger, Gregory Williby

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437221

KEYWORDS: Wavefront sensors, Wavefronts, Aspheric lenses, Domes, Aspheric metrology, Sensors, Detector arrays, Spatial resolution, Optical testing, Calibration

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Proceedings Article | 8 May 2001 Paper

Optical testing using Shack-Hartmann wavefront sensors

John Greivenkamp, Daniel Smith, Robert Gappinger, Gregory Williby

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427063

KEYWORDS: Wavefront sensors, Wavefronts, Aspheric lenses, Domes, Optical testing, Sensors, Calibration, Detector arrays, Telescopes, Custom fabrication

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SPIE Journal Paper | 1 December 1999

Rock and roll polishing: a process for optical surface polishing

Jose Sasian, Michael North Morris, Geoffrey Wruck, Gregory Williby, John Greivenkamp

OE, Vol. 38, Issue 12, (December 1999) https://doi.org/10.1117/12.10.1117/1.602316

KEYWORDS: Polishing, Surface finishing, Silica, Lead, Surface roughness, Glasses, Cerium, Oxides, Microscopes, Optics manufacturing

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