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Using Microporous Polytetrafluoroethylene Thin Sheets as a Flexible Solar Diffuser to Minimize Sunlight Glint to Cameras in SpaceAn innovative design of using microporous PTFE thin sheets as a solar diffuser for MLI blankets or mechanical structure has been developed. It minimizes sunlight or stray-light glint to cameras when it is incident on these components in space. A microporous black PTFE thin sheet solar diffuser has been qualified for flight at NASA GSFC and installed to the TAGSAM arm MLI, OCAMS PolyCam sunshade MLI and SamCam motor riser MLI in the NASA OSIRIS-REx mission to meet the SamCam camera BRDF requirement.



Document ID
20160010629
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Choi, Michael K. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
August 30, 2016
Publication Date
August 28, 2016
Subject Category
Fluid Mechanics And Thermodynamics
Spacecraft Design, Testing And Performance
Report/Patent Number
GSFC-E-DAA-TN33263
Report Number: GSFC-E-DAA-TN33263
Meeting Information
Meeting: SPIE Optics + Photonics 2016
Location: San Diego, CA
Country: United States
Start Date: August 28, 2016
End Date: September 1, 2016
Sponsors: International Society for Optical Engineering
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
solar diffuser; flexible solar diffuser
microporous PTFE; black PTFE; white PTFE

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