Dr. Daniel Scharpf Profile

Dr. Daniel Scharpf

Chief Technologist at Labsphere Inc

SPIE Involvement:

Author

Area of Expertise:

Radiometry , Uncertainty , Light Metrology , Remote Sensing , Calibration

Publications (7)

Proceedings Article | 3 October 2024 Presentation + Paper

A new solar spectrum source for absolute radiometric calibration of advanced multispectral sensors and hyperspectral imagers

Dan Scharpf, Jeff Holt, Chris Durell, Paul Mascia, Michael Dann, Luke Dobrowski, Saurabh Rabade

Proceedings Volume 13143, 1314307 (2024) https://doi.org/10.1117/12.3026762

KEYWORDS: Calibration, Sensors, Spectral response, Sun, Integrating spheres, Lamps, Light emitting diodes, Imaging systems, Sensor calibration, Plasma

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Proceedings Article | 3 October 2024 Presentation + Paper

A vacuum-compatible, spectrally tuneable, flat panel uniform source for testing large aperture earth observation systems

Jeffrey Holt, Julia Barsi, Theodore Schwarz, Eugene Waluschka, Mark Schwarz, Robert Bousquet, Craig Kent, Paul Mascia, Robert Lambeck, Luke Dobrowski, Boryana Efremova, Dan Scharpf

Proceedings Volume 13143, 1314306 (2024) https://doi.org/10.1117/12.3023845

KEYWORDS: Vacuum, Equipment, Satellites, Light emitting diodes, Vacuum chambers, Light sources and illumination, Spectrometers, Optical spheres, Light sources, Calibration

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Proceedings Article | 4 October 2023 Presentation + Paper

Compact Jones calibration source for next generation Earth observation imaging satellites in the VNIR, SWIR, and MWIR: the improved radiometric calibration of imaging systems (IRIS) high-performance integrated flat illuminator (HIFI)

Brandon Russell, Dan Scharpf, Christopher Durell, Luke Dobrowski, John Schlaerth

Proceedings Volume 12685, 1268503 (2023) https://doi.org/10.1117/12.2675572

KEYWORDS: Calibration, Satellites, Imaging systems, Radiometric calibration, Light emitting diodes

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Proceedings Article | 4 March 2022 Poster + Presentation + Paper

Calibrated networkable UV-C sensors for real-time dosage characterization of UVGI devices

Greg McKee, Dan Scharpf, Lorne Loudin

Proceedings Volume 12022, 1202207 (2022) https://doi.org/10.1117/12.2605747

KEYWORDS: Sensors, Head, Diffusers, Pathogens, Calibration, Ultraviolet radiation, Sensor performance, Sensor networks, Sensor calibration, Radiometry

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Proceedings Article | 17 September 2020 Presentation + Paper

Initial results of the FLARE vicarious calibration network

Brandon Russell, Daniel Scharpf, Jeff Holt, Will Arnold, Chris Durell, Joe Jablonski, David Conran, Stephen Schiller, Larry Leigh, David Aaron, Pedro Valle de Carvalho e Oliveira

Proceedings Volume 11501, 115010F (2020) https://doi.org/10.1117/12.2566759

KEYWORDS: Calibration, Data modeling, Mirrors, Satellites, Earth observing sensors, Landsat

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Proceedings Article | 13 May 2019 Paper

Perfectly understood non-uniformity: methods of measurement and uncertainty of uniform sources

Joe Jablonski, Dan Scharpf, Saurabh Rabade, Luke Dobrowski, Chris Durell, Jeff Holt

Proceedings Volume 10980, 109800I (2019) https://doi.org/10.1117/12.2519038

KEYWORDS: Cameras, Sensors, Raster graphics, Integrating spheres, Optical spheres, Image processing, Monte Carlo methods, Lamps, Image sensors, Calibration

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Proceedings Article | 12 October 2015 Paper

Creation and validation of Spectralon PTFE BRDF targets and standards

Christopher Durell, Dan Scharpf, Greg McKee, Michelle L'Heureux, Georgi Georgiev, Gael Obein, Catherine Cooksey

Proceedings Volume 9639, 96391D (2015) https://doi.org/10.1117/12.2195503

KEYWORDS: Bidirectional reflectance transmission function, Reflectivity, Sensors, Calibration, Standards development, Tolerancing, Aerospace engineering, Reflectors, Diffusers, Optical benches

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Showing 5 of 7 publications

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