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Proceedings Paper

Optical backplane in planar technology
Author(s): Oskar Krumpholz; Richard Bogenberger; Joachim Guttmann; Peter Huber; Joerg Moisel; Manfred Rode
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Paper Abstract

Optical interconnects are expected to overcome the limitations imposed by electrical interconnects. For board- to-board and board-to-multiboard communication we have developed an optical backplane for applications in mobile systems. Compared to existing realizations it is compact, rugged and has the potential to be fabricated at low cost. The main features of the optical backplane in planar technology are free space expanded beam transmission between boards and backplane and guided wave transmission within the backplane. No optical connectors are required. Due to the expanded beams and highly multimode waveguides large coupling tolerances of several 100 micrometers are achieved. Low loss polymer backplane waveguides allow transmission length of more than 19 inches. Demonstrators for board-to-board interconnections and for ring and star networks have been realized. Transmission experiments at 1GBit/s have been successfully performed. First environmental test with respect to dust, moisture, temperature and vibrations showed the feasibility of the concept.

Paper Details

Date Published: 27 April 2000
PDF: 7 pages
Proc. SPIE 3952, Optoelectronic Interconnects VII; Photonics Packaging and Integration II, (27 April 2000); doi: 10.1117/12.384426
Show Author Affiliations
Oskar Krumpholz, DaimlerChrysler Research Ctr. Ulm (Germany)
Richard Bogenberger, DaimlerChrysler Aerospace AG (Germany)
Joachim Guttmann, DaimlerChrysler Research Ctr. Ulm (Germany)
Peter Huber, DaimlerChrysler Research Ctr. Ulm (Germany)
Joerg Moisel, DaimlerChrysler Research Ctr. Ulm (Germany)
Manfred Rode, DaimlerChrysler Research Ctr. Ulm (Germany)


Published in SPIE Proceedings Vol. 3952:
Optoelectronic Interconnects VII; Photonics Packaging and Integration II
Michael R. Feldman; Richard Liqiang Li; Michael R. Feldman; Richard Liqiang Li; W. Brian Matkin; Suning Tang, Editor(s)

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