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Tolerance Design of an Optomechanical Transmitter Assembly for Automotive Applications

Publication date 2009
B-Phot Authors Michael Vervaeke, Heidi Ottevaere, Hugo Thienpont
DOI 10.1109/LPT.2009.2023523
Citation
M. Vervaeke et al., “Tolerance Design of an Optomechanical Transmitter Assembly for Automotive Applications,” IEEE Photonics Technol. Lett., vol. 21, no. 17, pp. 1178–1180, 2009.
Abstract We report on different optical coupling concepts between resonant-cavity light-emitting diodes and plastic optical fiber for the automotive according to the Multimedia Oriented Systems Transport standard. We present five different candidate optical coupling schemes. Two coupling schemes were investigated in depth regarding manufacturing and assembly tolerances using a Monte Carlo simulation method: a system using a ball lens and another made by clear molding. We select the best suited system according to manufacturing and assembly capabilities as well as its suitability for automotive applications.
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