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Proceedings Paper

Power over fiber: a review of replacing copper by fiber in critical applications
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Paper Abstract

Photovoltaic power converters transform optical power into electrical power, which is inherently immune to RF, EMI, high voltage, and lightning effects. Capable of powering electronic circuitry directly over optical fiber in a wide variety of applications, this technology has been validated in industries such as electric power, communications, remote sensing and aerospace. From no more than a laboratory curiosity less than fifteen years ago, power-over-fiber, or photonic power, has established itself in thousands of industrial operations worldwide. Optical energy for pre-amplifiers or low-power transmitters as well as switches and relays can be efficiently delivered through noise immune and non-conductive optical fiber. These advantages are also readily available for safe and arm applications since optical fiber is immune to electrical noise, magnetic fields and conduction of unexpected electrical currents. Since it is made from glass, a dielectric fiber is impervious to electromagnetic interference. High optical power is readily delivered through fiber, and conversion of optical to electrical energy at the remote site with efficient photovoltaic converters is routine.

Paper Details

Date Published: 19 August 2005
PDF: 6 pages
Proc. SPIE 5871, Optical Technologies for Arming, Safing, Fuzing, and Firing, 58710C (19 August 2005); doi: 10.1117/12.619753
Show Author Affiliations
J.-G. Werthen, Photonic Power BU (United States)
S. Widjaja, Photonic Power BU (United States)
T.-C. Wu, Photonic Power BU (United States)
J. Liu, Photonic Power BU (United States)


Published in SPIE Proceedings Vol. 5871:
Optical Technologies for Arming, Safing, Fuzing, and Firing
William J. Thomes; Fred M. Dickey, Editor(s)

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