Composite-embedded fiber optic data links in standard electronic modules

Ehlers, Sandy L.; Jones, Katharine J.; Morgan, Robert E.; Hixson, Jay

doi:10.1117/12.24867

Cited by 2 publications

(1 citation statement)

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“…This creates an obvious probable point of failure for the fiber at the point where it exits the laminate, and greatly complicates the process of joining adjacent composite structural elements, each containing sensor fibers that must be connected. During the past four years, several research groups have attempted different solutions to the "smart" composite panel interconnect problem [3,4,5]. For research laboratory use, simply applying a small amount of silicone adhesive on the fiber at the point where it exits the material suffices.…”

Section: Introductionmentioning

confidence: 99%

<title>Completely embedded optical fiber sensors</title>

et al. 1994

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Due to their small size, light weight, geometric flexibility and their possible uses for monitoring various different physical parameters, optical fiber sensor technology offers numerous opportunities and advantages for instrumenting structures and materials for their analysis and control. While optical fiber sensors have advantages over conventional electric sensors, connectorization of optical fiber sensors to the supporting laser, detector and electronics has proven to be difficult. The conventional approach to connecting the embedded optical fiber sensors, bringing the optical fiber leads out of the material, creates obvious points of failure at the points where the fiber enters and exits the material, and greatly complicates the process of joining adjacent structural elements, each containing sensor fibers which must be connected. In this paper we demonstrate the possibility of having an optical fiber sensor system that can be completely embedded within composite materials. The fiber sensor as well as the supporting opto-electronic components required to launch and receive light into and from the fiber could be embedded in a panel, avoiding connector problems. Interaction with the electronics to obtain strain and vibration measurements from the fiber sensor was made via external antenna coils.

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Section: Introductionmentioning

confidence: 99%

<title>Completely embedded optical fiber sensors</title>

et al. 1994

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Application of a Poled Electro-Optic Organic Thin Film in an Evanescent Coupler

Mackenzie¹,

Morgan²,

Ehlers³

et al. 1993

Organic Thin Films for Photonic Applications

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An essential component of any fiber optic network is a 2×2 crosspoint switch (1,2). Advanced organic thin film materials have shown great promise for potential applications for photonics (3). In particular, second order nonlinear polymers have demonstrated their utility in Mach-Zehnder modulators (4-7). This paper reports progress toward a 2×2 crosspoint switch using a poled electro-optic polymer to achieve switching in an active evanescent coupler. (8) This effort came as a result of a need to develop switching for composite-embedded fiber optic data links (9, 10, 11) in avionics. The active electro-optic evanescent coupler is depicted below in Figure 1.

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Composite-embedded fiber optic data links in standard electronic modules

Cited by 2 publications

References 0 publications

<title>Completely embedded optical fiber sensors</title>

<title>Completely embedded optical fiber sensors</title>

Application of a Poled Electro-Optic Organic Thin Film in an Evanescent Coupler

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