Overview of time division multiplexing sensor technology

Fernando Dones; Deepak Varshneya

doi:10.1117/12.188840

4 October 1994 Overview of time division multiplexing sensor technology

Fernando Dones, Deepak Varshneya

Proceedings Volume 2295, Fly-by-Light; (1994) https://doi.org/10.1117/12.188840
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Fiber optic technology has been implemented within diverse areas of aircraft vehicle management systems, including propulsion and flight controls. At least four different fiber- based technologies have been demonstrated in the laboratory and some have accumulated flight hours while installed in technology demonstration aircraft. Some key technologies developed thus far include Time Division Multiplexing (TDM), Wavelength Division Multiplexing (WDM), dual wavelength analog, and Ladar. Some variations in these technologies have also been shown to have promise, such as transmissive vs. reflective encoders, where the number of interconnect fibers are reduced. TDM technology has been actively developed since 1982 as a result of the US Army sponsored Advanced Digital Optical Control System program. This paper provides an overview of the TDM technology and its status when viewed in light of the key flight control system requirements. Description of the TDM sensor concept, the associated electronics, delay line fiber technology and fiber connector requirements is provided. A comparison with WDM technology is also described.

Citation Download Citation

Fernando Dones and Deepak Varshneya "Overview of time division multiplexing sensor technology", Proc. SPIE 2295, Fly-by-Light, (4 October 1994); https://doi.org/10.1117/12.188840

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