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Author: steven brown

Displaying records 131 to 140 of 159 records.
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131. A Novel Stray Light Correction Method for Array Spectrometers
Published: Date unknown
Authors: Yuqin Zong, Steven W Brown, Keith R Lykke, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841851

132. A Portable Integrating Sphere Source for Radiometric Calibrations From the Visible to the Short-Wave Infrared
Published: Date unknown
Authors: Steven W Brown, Bettye C Johnson
Abstract: A portable integrating sphere source has been developed by the National Institute of Standards and Technology (NIST) as part of a National Aeronautics and Space Administration s (NASA s) program to validate radiance scales of sources at Earth Observi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841351

133. A Simple Stray-light Correction Method for Array Spectroradiometers
Published: Date unknown
Authors: Yuqin Zong, Steven W Brown, Bettye C Johnson, Keith R Lykke, Yoshihiro Ohno
Abstract: In many applications, the measurement accuracy of spectroradiometers, particularly instruments with a single dispersive element, is limited by the presence of stray radiation within the instrument. A simple, practical method has been developed to co ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840968

134. A Spectrally Tunable LED Sphere Source Enables Accurate Calibration of Tristimulus Colorimeters
Published: Date unknown
Authors: Irena Fryc, Steven W Brown, Yoshihiro Ohno
Abstract: The Four-Color Method (FCM) was developed to improve the accuracy of chromaticity measurements of various colors of a display. The method is valid for each type of display having similar spectra. To develop the Four-Color correction matrix, colorim ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840950

135. A Spectrally Tunable Solid-State Source for Radiometric, Photometric and Colorimetric Applications
Published: Date unknown
Authors: Irena Fryc, Steven W Brown, George P Eppeldauer, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841833

136. Absolute Flux Calibrations of Stars
Published: Date unknown
Authors: Gerald T Fraser, Steven W Brown, Howard W Yoon, Bettye C Johnson, Keith R Lykke
Abstract: Absolute stellar photometry is based on 1970s terrestrial measurements of the star Vega referenced against the Cu fixed-point blackbody. Significant advances in absolute radiometry have been made in the last 30 years that offer the potential to impro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841110

137. Advances in Radiometry for Ocean Color
Published: Date unknown
Authors: Steven W Brown, D K Clark, Bettye C Johnson, Howard W Yoon, Keith R Lykke, S Flora, M Feinholz, N Souaidia, C Pietras, Thomas C Stone, M Yarbrough, Y S Kim, R Barnes, J Mueller
Abstract: Organic materials in the oceans have spectral signatures based on their light-scattering properties. These optical properties are related to bio-physical and bio-chemical data products, such as the concentration of phytoplankton chlorophyll-{alpha} ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840030

138. Characterization and Correction of Stray Light in Optical Instruments
Published: Date unknown
Authors: Yuqin Zong, Steven W Brown, G Meister, R Barnes, Keith R Lykke
Abstract: Improperly imaged, or scattered, optical radiation within an instrument is difficult to properly characterize and is often the dominant residual source of measurement error. Scattered light can originate from the spectral components of a point sour ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841127

139. Compact Anamorphic Imaging Spectrometer
Published: Date unknown
Authors: P Maciejewski, K Barnard, Rand Swanson, Michael Kehoe, C Smith, Thomas Moon, Robert R. Bousquet, Steven W Brown, Keith R Lykke
Abstract: Deployment of compact hyperspectral imaging sensors on small UAVs has the potential of providing a cost-effective solution for rapid-response target detection and cueing based on time-critical spectral information collected at low altitudes. To addre ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841073

140. Correction of Stray Light In Spectroradiometers and Imaging Instruments
Published: Date unknown
Authors: Yuqin Zong, Steven W Brown, Keith R Lykke, Yoshihiro Ohno
Abstract: Measurement errors from stray light, spectral or spatial, are inevitable and are often the dominant source of error in spectroradiometers and imaging radiometers/photometers. We have developed a simple matrix method for correcting spatial stray light ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841072



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