Dr. David F. Schaack Profile

Dr. David F. Schaack

Chief Engineer at Designs for Systems

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Publications (3)

Proceedings Article | 31 August 2006 Paper

Cemented doublet field compressor/corrector: a new optical component of general utility

David Schaack

Proceedings Volume 6288, 628802 (2006) https://doi.org/10.1117/12.679075

KEYWORDS: Relays, Image quality, Optical components, Lenses, Imaging systems, Optical design, Lens design, Optical instrument design, Vignetting, Image sensors

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Proceedings Article | 5 September 2000 Paper

Compensating differential albedo in topographic lidar through the use of three or more lidar wavelengths

David Schaack, Allen Geiger

Proceedings Volume 4035, (2000) https://doi.org/10.1117/12.397781

KEYWORDS: Reflectivity, Absorption, LIDAR, Vegetation, Receivers, Methane, Optical filters, Signal to noise ratio, Calibration, Minerals

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Proceedings Article | 31 March 1998 Paper

Making accurate three-dimensional measurements through a standard borescope

David Schaack

Proceedings Volume 3397, (1998) https://doi.org/10.1117/12.305062

KEYWORDS: Cameras, Video, Calibration, Imaging systems, Distance measurement, Distortion, 3D metrology, Error analysis, Microscopes, 3D imaging standards

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