Purge system for Landsat Data Continuity Mission and other instruments in contamination

Janet Orellana; Rachel B. Rivera

doi:10.1117/12.877193

7 September 2010 Purge system for Landsat Data Continuity Mission and other instruments in contamination

Janet Orellana, Rachel B. Rivera

Proceedings Volume 7794, Optical System Contamination: Effects, Measurements, and Control 2010; 77940E (2010) https://doi.org/10.1117/12.877193
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

Contamination Control Engineering practices are performed on NASA satellite missions at the Goddard Space Flight Center (GSFC) in order to control adverse effects of contamination on sensitive surfaces such as, optics, sensors, and thermal control surfaces. The primary goal of this research is to determine how inspection tools are used, and how their capabilities can be verified. The research was accomplished by investigating the following tools: the Dino-Lite hand held microscope; a video Borescope, a portable bi-directional reflectance distribution function (BRDF) scatterometer; and Contamination Field Kits, suitcases which carry the very tools for inspection and verification within them. A secondary goal is to further develop an existing purge suitcase for the Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) instruments on the Landsat Data Continuity Mission (LDCM). The purge suitcase is used as a contamination mitigation technique to keep the instruments dry and clean.

Citation Download Citation

Janet Orellana and Rachel B. Rivera "Purge system for Landsat Data Continuity Mission and other instruments in contamination", Proc. SPIE 7794, Optical System Contamination: Effects, Measurements, and Control 2010, 77940E (7 September 2010); https://doi.org/10.1117/12.877193

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KEYWORDS

Microscopes

Contamination

Inspection

Bidirectional reflectance transmission function

Semiconducting wafers

Particles

Earth observing sensors

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