Physics – Optics
Scientific paper
Sep 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2210..126v&link_type=abstract
Proc. SPIE Vol. 2210, p. 126-135, Space Optics 1994: Space Instrumentation and Spacecraft Optics, Thierry M. Dewandre; Joachim J
Physics
Optics
Scientific paper
The rapid growth and implementation of fiber optic sensor devices have evolved to the stage of demonstration and in-situ applications, whereas normally pressure and temperature parameters are measured. New photonic space opto- electronic systems could sense in a distributed way impact, damage assessment and pressure variations in structural integrity testing of spacecraft and platforms. The system consists of several loops (up to 8 per control unit) of fiber optic sensors or cables buried or implemented in smart structures or complex materials in wings or structures. Signal processing has been performed by FDM/TDM techniques to interrogate and to demultiplex unambiguously the fiber optic sensors. The control units could be placed locally or centrally in a network configuration to interrogate up to 256 loops or single sensors.
Barel Alain R.
Boschmans L. M.
Voet Marc R.
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