Recent progress in high-resolution optical fiber time-domain methods and its impact on dynamic environment sensing applications

Bernd D. Zimmermann; Daniel D. Thomas; Richard O. Claus

doi:10.1117/12.24843

1 December 1990 Recent progress in high-resolution optical fiber time-domain methods and its impact on dynamic environment sensing applications

Bernd D. Zimmermann, Daniel D. Thomas, Richard O. Claus

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Proceedings Volume 1370, Fiber Optic Smart Structures and Skins III; (1990) https://doi.org/10.1117/12.24843
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

Performance improvements regarding high resolution optical time domain measurements recently achieved are reported. Newly developed segmented fiber sensors and fiber-reentrant-loop techniques involving optical pulse recirculation for the enhancement of resolution have been implemented on small scale flexible structures. A three-segment sensor has been tested in both tension and compression on a clamped cantilever beam. The resolution enhancement concept using fiber-reentrant loops has been verified through experiments conducted with fibers attached to the same beam. Speed limitations are investigated to identify potential hardware modifications necessary to make these techniques feasible in the near future.

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Bernd D. Zimmermann, Daniel D. Thomas, and Richard O. Claus "Recent progress in high-resolution optical fiber time-domain methods and its impact on dynamic environment sensing applications", Proc. SPIE 1370, Fiber Optic Smart Structures and Skins III, (1 December 1990); https://doi.org/10.1117/12.24843

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