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Author: bettye johnson

Displaying records 151 to 160 of 167 records.
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151. A Method of Realizing Spectral Irradiance Based on an Absolute Cryogenic Radiometer, in {I}Proc. IVth Conference of New Developments in Absolute Radiometry,{I} 1992
Published: 1/1/1993
Authors: Bettye C Johnson, C L Cromer, Robert D. Saunders, George P Eppeldauer, J B Fowler, V I Sparitsky, G Dezsi
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103903

152. High-Energy Behavior of the Double Photoionization of Helium from 2 to 12 keV
Published: 1/1/1993
Authors: J C Levin, A Sellin, Bettye C Johnson, D W Lindle, R D Miller, N B Mansour, Yasushi Azuma, H G Berry, D -H Lee
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=102298

153. Electron Transfer from H^d2^ and Ar to Stored Multiply Charged Argon Ions Produced by Synchrotron Radiation.
Published: 1/1/1992
Authors: S D Kravis, D A Church, Bettye C Johnson, M Meron, K W Jones, J C Levin, I A Sellin, Yasushi Azuma, N B Mansour, H G Berry, M Druetta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=102785

154. Precision High Temperature Blackbodies
Published: 1/1/1992
Authors: V I Sapritsky, Bettye C Johnson, Robert D. Saunders, L V Vlasov, K A Sudarev, B B Khlevony, V I Shapoval, I A Dmitriev, L M Buchnev, A V Prochorov
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104153

155. Realization of New NIST Radiation Temperature Scales for the 1000 K to 3000 K Region, Using Absolute Radiometric Techniques
Published: 1/1/1992
Authors: Bettye C Johnson, Robert D. Saunders, V I Sapritsky, K D Mielenz
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104561

156. 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

157. 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

158. Area Measurements of Apertures for Exo-Atmospheric Solar Irradiance for JPL
Published: Date unknown
Authors: Maritoni Abatayo Litorja, Bettye C Johnson, J B Fowler
Abstract: A comparison of the area measurements of the limiting apertures used for total solar irradiance measurements in the Active Cavity Radiometer Irradiance Monitor II (ACRIM II) and Active Cavity Radiometer Irradiance Monitor III (ACRIM III) were conduct ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841123

159. Comparison of Area Measurements of Apertures for Exo-Atmospheric Solar Irradiance Between NIST and JPL
Published: Date unknown
Authors: Maritoni Abatayo Litorja, Bettye C Johnson, J B Fowler
Abstract: A comparison of the area measurements of the limiting apertures used for total solar irradiance measurements in the Active Cavity Radiometer Irradiance Monitor II (ACRIM II) and Active Cavity Radiometer Irradiance Monitor III (ACRIM III) were conduct ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841122

160. Intercomparisions of Reflectance Measurements
Published: Date unknown
Authors: P Y. Barnes, Bettye C Johnson, James J. Butler, C J Bruegge, S F Biggar, P R Spyak, M M Pavlov, E A. Early
Abstract: A comparison of spectral diffuse reflectance between different national standards laboratories is being planned under the direction of the Comit* Consultatif de Photom*trie et Radiom*trie (CCPR). A similar comparison of bi-directional reflectance di ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841286



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