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Final Report on LDRD Project [electronic resource] : High-Bandwidth Optical Data Interconnects for Satellite Applications

Published
Washington, D.C. : United States. Dept. of Energy, 2003.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
37 pages : digital, PDF file
Additional Creators
Sandia National Laboratories, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
This report describes the research accomplishments achieved under the LDRD Project ''High-Bandwidth Optical Data Interconnects for Satellite Applications.'' The goal of this LDRD has been to address the future needs of focal-plane-array (FPA) sensors by exploring the use of high-bandwidth fiber-optic interconnects to transmit FPA signals within a satellite. We have focused primarily on vertical-cavity surface-emitting laser (VCSEL) based transmitters, due to the previously demonstrated immunity of VCSELs to total radiation doses up to 1 Mrad. In addition, VCSELs offer high modulation bandwidth (roughly 10 GHz), low power consumption (roughly 5 mW), and high coupling efficiency (greater than -3dB) to optical fibers. In the first year of this LDRD, we concentrated on the task of transmitting analog signals from a cryogenic FPA to a remote analog-to-digital converter. In the second year, we considered the transmission of digital signals produced by the analog-to-digital converter to a remote computer on the satellite. Specifically, we considered the situation in which the FPA, analog-to-digital converter, and VCSEL-based transmitter were all cooled to cryogenic temperatures. This situation requires VCSELs that operate at cryogenic temperature, dissipate minimal heat, and meet the electrical drive requirements in terms of voltage, current, and bandwidth.
Report Numbers
E 1.99:sand2003-1236
sand2003-1236
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
04/01/2003.
"sand2003-1236"
ALLERMAN, ANDREW A.; SULLIVAN, CHARLES T.; RIENSTRA, JEFFREY L.; SERKLAND, DARWIN K.; PEAKE, GREGORY M.; GEIB, KENT M.; HARGETT, TERRY; MONTANO, VICTORIA; KARPEN, GARY D.; BLANSETT, ETHAN L.
Type of Report and Period Covered Note
Final; 04/01/2003 - 04/01/2003
Funding Information
AC04-94AL85000
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