Final design, assembly, and testing of a space-based total integrated scatter instrument

James B. Hadaway; Anees Ahmad; Jean M. Bennett

doi:10.1117/12.287796

26 September 1997 Final design, assembly, and testing of a space-based total integrated scatter instrument

James B. Hadaway, Anees Ahmad, Jean M. Bennett

Proceedings Volume 3141, Scattering and Surface Roughness; (1997) https://doi.org/10.1117/12.287796
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

The final design, fabrication, and testing of a space-based scatterometer has been completed and is described in this paper. The instrument, part of the optical properties monitor (OPM) experiment developed for NASA by AZ Technology in Huntsville, was designed to fly for an extended period in low earth orbit to monitor the effects of the orbital environment on various materials and coatings. The scatterometer measures the total integrated scatter (TIS) of various samples at wavelengths of 532 and 1064 nm. The instrument is able to distinguish between surface roughening and surface contamination and operates with an accuracy of plus or minus 10% and a repeatability of plus or minus 2%. The instrument is now attached to the outer hull of the MIR space station and is scheduled to operate for nine months or more before being returned to Earth.

Citation Download Citation

James B. Hadaway, Anees Ahmad, and Jean M. Bennett "Final design, assembly, and testing of a space-based total integrated scatter instrument", Proc. SPIE 3141, Scattering and Surface Roughness, (26 September 1997); https://doi.org/10.1117/12.287796

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