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Proceedings Paper

Optomechanical design of a robust free-space optical switching system
Author(s): Daniel J. Reiley; Jose M. Sasian; Martin G. Beckman
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Paper Abstract

To be competitive with electronic switching technologies, photonic switching systems must have stability that rivals that of electronic systems, requiring little or no intervention over time scales of years. This paper describes progress towards the goal of stable optical interconnects. We have built an extraordinarily stable free-space optical interconnect mounted in a standard electronics frame; the system operated successfully over a wide temperature range for three days and required no realignment after shipping. Robust optomechanical design played an important role in the successful operation of the system. The role of kinematic mounting principles, self-centering lens mounts, materials selection, and long-lever arm adjustments are described. Vigorous shaking of the system did not affect its bit-error rate -- measured to be less than 10E-12 on a single channel.

Paper Details

Date Published: 29 March 1996
PDF: 7 pages
Proc. SPIE 2691, Optoelectronic Packaging, (29 March 1996); doi: 10.1117/12.236910
Show Author Affiliations
Daniel J. Reiley, AT&T Bell Labs. (United States)
Jose M. Sasian, Optical Sciences Ctr./Univ. of Arizona (United States)
Martin G. Beckman, AT&T Bell Labs. (United States)


Published in SPIE Proceedings Vol. 2691:
Optoelectronic Packaging
Michael R. Feldman; Yung-Cheng Lee, Editor(s)

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