Embedding and testing of ultrahigh-sensitivity optical fiber sensors in prototype graphite composite spacecraft strut tubes

E. Joseph Friebele; Heather J. Patrick; Barbara M. Wright; A. S. Greenblatt; E. A. Bolden; W. R. Simon; Daron C. Giles; M. L. Stringfield; G. Hidalgo Jr.; Brian E. Catanzaro; M. Maher; Kevin R. Uleck; M. J. Fox; Anthony J. Vizzini

doi:10.1117/12.372998

9 December 1999 Embedding and testing of ultrahigh-sensitivity optical fiber sensors in prototype graphite composite spacecraft strut tubes

E. Joseph Friebele, Heather J. Patrick, Barbara M. Wright, A. S. Greenblatt, E. A. Bolden, W. R. Simon, Daron C. Giles, M. L. Stringfield, G. Hidalgo Jr., Brian E. Catanzaro, M. Maher, Kevin R. Uleck, M. J. Fox, Anthony J. Vizzini

Author Affiliations +

Proceedings Volume 3860, Fiber Optic Sensor Technology and Applications; (1999) https://doi.org/10.1117/12.372998
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

Ultrahigh sensitivity fiber cavity etalon (FCE) sensors have been embedded in graphite-reinforced polymer tubes fabricated by two different methods: resin transfer molding (RTM) and standard autoclave curing, and FCEs have been embedded in autoclave-cured unidirectional flat laminates. Significant issues encountered in embedding the sensors include protecting the fiber egress during layup, curing, and breakout, survival of the butt-coupled splice between the cavity and lead fiber during composite cure, maintaining sensor location, and sensor reliability and response. Methods were successfully devised to overcome these obstacles.

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E. Joseph Friebele, Heather J. Patrick, Barbara M. Wright, A. S. Greenblatt, E. A. Bolden, W. R. Simon, Daron C. Giles, M. L. Stringfield, G. Hidalgo Jr., Brian E. Catanzaro, M. Maher, Kevin R. Uleck, M. J. Fox, and Anthony J. Vizzini "Embedding and testing of ultrahigh-sensitivity optical fiber sensors in prototype graphite composite spacecraft strut tubes", Proc. SPIE 3860, Fiber Optic Sensor Technology and Applications, (9 December 1999); https://doi.org/10.1117/12.372998

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