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Optical Engineering

Optical-electrical printed wiring board for high-speed computing applications
Author(s): Joseph Dingeldein; Kevin L. Kruse; Casey D. Demars; Christopher T. Middlebrook; Craig R. Friedrich; Michael C. Roggemann
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Paper Abstract

Optical-electrical printed wiring boards were fabricated featuring mechanical transfer (MT)-compatible interconnections for out-of-plane optical signal routing with an average optical link loss of 10.7 dB. Commercially available components were integrated into an optical layer for out-of-plane optical routing, including light turning devices that feature spherical micro lens arrays, a total internal reflection mirror, and alignment slots compatible with standard MT connectors. The feasibility of the optical-electrical printed wiring board is discussed in detail to demonstrate its compatibility with common printed circuit board manufacturing processes. The optical-electrical printed wiring board prototypes survived thermal cycling (−40°C to 85°C) and humidity exposure (95% humidity) showing an overall degradation of <3  dB of optical performance. Operational failure (<18  dB ) occurred after environmental aging life testing at 110°C for 216 h.

Paper Details

Date Published: 7 March 2013
PDF: 8 pages
Opt. Eng. 52(3) 035201 doi: 10.1117/1.OE.52.3.035201
Published in: Optical Engineering Volume 52, Issue 3
Show Author Affiliations
Joseph Dingeldein, Michigan Technological Univ. (United States)
Kevin L. Kruse, Michigan Technological Univ. (United States)
Casey D. Demars, Michigan Technological Univ. (United States)
Christopher T. Middlebrook, Michigan Technological Univ. (United States)
Craig R. Friedrich, Michigan Technological Univ. (United States)
Michael C. Roggemann, Michigan Technological Univ. (United States)

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