18 October 2004 Space application requirements for organic avionics
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Abstract
The NASA Marshall Space Flight Center is currently evaluating polymer based components for application in launch vehicle and propulsion system avionics systems. Organic polymers offer great advantages over inorganic corollaries. Unlike inorganics with crystalline structures defining their sensing characteristics, organic polymers can be engineered to provide varying degrees of sensitivity for various parameters including electro-optic response, second harmonic generation, and piezoelectric response. While great advantages in performance can be achieved with organic polymers, survivability in the operational environment is a key aspect for their practical application. The space environment in particular offers challenges that must be considered in the application of polymer based devices. These challenges include: long term thermal stability for long duration missions, extreme thermal cycling, space radiation tolerance, vacuum operation, low power operation, high operational reliability. Requirements for application of polymer based devices in space avionics systems will be presented and discussed in light of current polymer materials.
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Michael D. Watson, Joseph Minow, Richard Altstatt, George Wertz, Charles Semmel, David L. Edwards, Paul R. Ashley, "Space application requirements for organic avionics", Proc. SPIE 5554, Photonics for Space Environments IX, (18 October 2004); doi: 10.1117/12.562132; https://doi.org/10.1117/12.562132
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