Analysis and interpretation of Wide-Field Planetary Camera outgas data collected in the temperature range from -20 degrees C to -100 degrees C

Jack B. Barengoltz; Daniel M. Taylor

doi:10.1117/12.22591

1 November 1990 Analysis and interpretation of Wide-Field Planetary Camera outgas data collected in the temperature range from -20°C to -100°C

Jack B. Barengoltz, Daniel M. Taylor

Author Affiliations +

Proceedings Volume 1329, Optical System Contamination: Effects, Measurement, Control II; (1990) https://doi.org/10.1117/12.22591
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The data from the Wide Field Planetary Camera (WFPC) are analyzed to determine the absolute source-emission parameters and contaminant reemission parameters of outgassing mass accumulation. The data correspond to the mass accumulated on a -100 C quartz crystal microbalance and then desorbed at -50 C as a function of time. The parameters investigated include contaminant mass, first-order rate constants, and characteristic energies. The data are modeled in terms of a minimum number of species characterized by source-rate and reemission-rate parameters. The modeling technique is found to produce adequate fits, and the contaminants that accumulate at -100 C and desorb at -50 C do not accumulate at -50 C. The data analysis is found to be an adequate technique for assessing outgassing parameters for the prediction of WFPC internal contamination.

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Jack B. Barengoltz and Daniel M. Taylor "Analysis and interpretation of Wide-Field Planetary Camera outgas data collected in the temperature range from -20°C to -100°C", Proc. SPIE 1329, Optical System Contamination: Effects, Measurement, Control II, (1 November 1990); https://doi.org/10.1117/12.22591

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