NDLI: Evaluation of Fiber-Bundle Based Transmitter Configurations With Alignment Control <newline/>Algorithm for Mobile FSO Nodes

Content Provider	IEEE Xplore Digital Library
Author	Dayong Zhou LoPresti, P.G. Refai, H.H.
Copyright Year	1983
Abstract	A fiber-bundle approach for beam steering at the transmitter was recently proposed and investigated that allowed tracking of the receiver without the use of mechanical devices for mobile free-spaced optical (FSO) platforms experiencing misalignment due to movement and atmospheric turbulence. This paper investigates different transmitter configurations along with a general pointing, acquisition and tracking (PAT) algorithm on key parameters including power availability at the receiver, switching time, link recapturing time, and coverage area at the receiver plane. The alignment control algorithm with different ways to track receiver is also evaluated on these key parameters. The algorithm performance versus transmitted power, switching time and the threshold power for beam steering was examined. The investigation finds that a combination of switching combined with splitting of the light between fibers is a suitable solution to provide the best trade-off between link up time and the coverage area at the receiver, and thus is a good general purpose design choice, and the optical tracking system with target location information demands fewer efforts to recover and maintain the dynamic link than the one without the awareness of the receiver location information.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	249
Ending Page	256
Page Count	8
File Size	924898
File Format	PDF
ISSN	07338724
Volume Number	31
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers Optical switches Optical transmitters Optical fiber couplers Couplers tracking Control optical transmitter optical wireless
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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Evaluation of Fiber-Bundle Based Transmitter Configurations With Alignment Control Algorithm for Mobile FSO Nodes

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