Experimental verification of fiber-coupling efficiency for satellite-to-ground atmospheric laser downlinks

被引：77

作者：

Takenaka, Hideki ^{[1
]}

Toyoshima, Morio ^{[1
]}

Takayama, Yoshihisa ^{[1
]}

机构：

[1] Natl Inst Informat & Commun Technol NICT, Wireless Network Res Inst, Space Commun Syst Lab, Koganei, Tokyo 1848795, Japan

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 14期

关键词：

OPTICAL SCINTILLATIONS; COMMUNICATION; TURBULENCE; BEAM;

D O I：

10.1364/OE.20.015301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical communication is a high-capacity method that can handle considerable satellite data. When common-fiber optical devices such as optical fiber amplifiers based on single mode fibers are used in free-space laser communication systems, the laser beam has to be coupled to a single-mode fiber. Under atmospheric turbulence it would be difficult to make the required fiber coupling efficiency in satellite-to-ground laser propagation paths. A fast-steering mirror that can operate at high frequencies under atmospheric turbulence is fabricated, and its tracking performance is verified in real satellite-to-ground laser communication experiments. The measured fiber coupling loss of 10-19 dB in satellite-to-ground laser communication links under atmospheric turbulence shows good agreement with the predicted fiber coupling efficiency of 17 dB. (C)2012 Optical Society of America

引用

页码：15301 / 15308

页数：8

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