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Proceedings Paper

Embedding and testing of ultrahigh-sensitivity optical fiber sensors in prototype graphite composite spacecraft strut tubes
Author(s): 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; Brian E. Catanzaro; M. Maher; Kevin R. Uleck; M. J. Fox; Anthony J. Vizzini
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Paper 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.

Paper Details

Date Published: 9 December 1999
PDF: 8 pages
Proc. SPIE 3860, Fiber Optic Sensor Technology and Applications, (9 December 1999); doi: 10.1117/12.372998
Show Author Affiliations
E. Joseph Friebele, Naval Research Lab. (United States)
Heather J. Patrick, Naval Research Lab. (United States)
Barbara M. Wright, Naval Research Lab. (United States)
A. S. Greenblatt, Naval Research Lab. (United States)
E. A. Bolden, Naval Research Lab. (United States)
W. R. Simon, Naval Research Lab. (United States)
Daron C. Giles, Composite Optics, Inc. (United States)
M. L. Stringfield, Composite Optics, Inc. (United States)
G. Hidalgo, Composite Optics, Inc. (United States)
Brian E. Catanzaro, Composite Optics, Inc. (United States)
M. Maher, Summa Technologies (United States)
Kevin R. Uleck, Univ. of Maryland/College Park (United States)
M. J. Fox, Univ. of Maryland/College Park (United States)
Anthony J. Vizzini, Univ. of Maryland/College Park (United States)


Published in SPIE Proceedings Vol. 3860:
Fiber Optic Sensor Technology and Applications
Michael A. Marcus; Brian Culshaw, Editor(s)

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