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Space qualification of multi-channel optical fiber amplifier for low Earth orbit satellite-to-ground direct downlinks
Author(s): E. Kehayas; J. Edmunds; C. Palmer; C. Coopman; R. Webb; M. Tuci; M. Kechagias; K. Simpson; M. Welch; L. Stampoulidis
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Paper Abstract

We present the space qualification of a multi-channel mid-power booster optical fiber amplifier (OFA) suitable for 1550nm LEO satellite to ground laser communication downlinks. The end-to-end OFA development from conceptual design all the way through qualification testing followed ECSS-level Product Assurance guidelines for deployed materials, components and processes. The environmental qualification test programme relied on ECSS-E-10-03C which is the ESA standard for qualification testing of space segment hardware. The qualification results show robust functional and structural performance following stress at all 3 possible excitation axes with high level sine vibration, random vibration and mechanical shock as well as thermal cycling between survival and operating temperatures in vacuum condition. In addition to thermo-mechanical tests, proton and gamma radiation tests performed on component and sub-assembly level suggest that the OFA is capable to deliver its performance under ionizing and non-ionizing radiation levels found in the LEO orbit. The OFA has been delivered for system integration into the Optel-μ terminal, applicable to small satellite platforms.

Paper Details

Date Published: 15 February 2018
PDF: 8 pages
Proc. SPIE 10524, Free-Space Laser Communication and Atmospheric Propagation XXX, 105240Z (15 February 2018); doi: 10.1117/12.2289664
Show Author Affiliations
E. Kehayas, Gooch and Housego (Torquay) (United Kingdom)
J. Edmunds, Gooch and Housego (Torquay) (United Kingdom)
C. Palmer, Gooch and Housego (Torquay) (United Kingdom)
C. Coopman, Gooch and Housego (Torquay) (United Kingdom)
R. Webb, Gooch and Housego (Torquay) (United Kingdom)
M. Tuci, Gooch and Housego (Torquay) (United Kingdom)
M. Kechagias, Gooch and Housego (Torquay) (United Kingdom)
K. Simpson, Gooch and Housego (Torquay) (United Kingdom)
M. Welch, Gooch and Housego (Torquay) (United Kingdom)
L. Stampoulidis, Gooch and Housego (Torquay) (United Kingdom)


Published in SPIE Proceedings Vol. 10524:
Free-Space Laser Communication and Atmospheric Propagation XXX
Hamid Hemmati; Don M. Boroson, Editor(s)

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