&lt;title&gt;Emerging applications of optical fibers and optical technologies in automobiles (Invited Paper)&lt;/title&gt;

In this paper, we present a novel Fourier technique to calculate the emitter-to-fiber coupling efficiency between an incoherent source of arbitrary directivity and a multimode fiber. The technique expresses the 4-D integral that describes the coupling as a 2-D sum, and along with Fourier series expansion, the technique increases greatly the computational speed of emitter-to-fiber coupling calculations. We have simulation results of the emitter-to-fiber coupling analysis and coupling analysis for a single-fiber bi-directional link total using the Fourier technique. The results show that the large core plastic optical fiber gives rise to good emitter-tofiber coupling alignment tolerance, but tends to overfill the detector and cause degradation in fiber-to-detector alignment tolerance. We find that a more directive resonant-cavity light emitting diode only improves emitter-to-fiber alignment tolerance slightly, though it can couple more light into the fiber.

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<title>Emerging applications of optical fibers and optical technologies in automobiles (Invited Paper)</title>

Cited by 2 publications

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A novel Fourier technique for calculating fiber-to-LED coupling efficiency with lateral and longitudinal misalignments

A novel Fourier technique for calculating fiber-to-LED coupling efficiency with lateral and longitudinal misalignments

Coupling efficiency of an alignment-tolerant, single fiber, bi-directional link

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