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Optical Engineering

Degradation of single-mode fiber coupling efficiency due to localized wavefront aberrations in free-space laser communications
Author(s): Jing Ma; Fang Zhao; Liying Tan; Siyuan Yu; Yuqiang Yang
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Paper Abstract

Coupling efficiency of coherent plane waves into single-mode fibers is degraded by the localized deformation of the optics antenna used for reception of optical beams. For transmission-type and reflection-type antennas, the evolution of coupling efficiency with the change of characteristic parameters of the localized distortion are investigated. It is found that the coupling efficiency varies regularly as the increase of the normalized center deepness h/R, the normalized radius a/R, and the normalized center distance d/R. The key principles for selecting optics are determined. The results obtained will be useful in estimation and design of fiber-coupled optical systems in free-space communications.

Paper Details

Date Published: 1 April 2010
PDF: 6 pages
Opt. Eng. 49(4) 045004 doi: 10.1117/1.3407427
Published in: Optical Engineering Volume 49, Issue 4
Show Author Affiliations
Jing Ma, Harbin Institute of Technology (China)
Fang Zhao, Harbin Institute of Technology (China)
Liying Tan, Harbin Institute of Technology (China)
Siyuan Yu, Harbin Institute of Technology (China)
Yuqiang Yang, Harbin Institute of Technology (China)

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