A hybrid stabilization approach for deep-space optical communications terminals

被引：24
|
作者：
Burnside, Jamie W. [1 ]
Murphy, Daniel V.
Knight, Frederick K.
Khatri, Farzana I.
机构：
[1] MIT, Lincoln Lab, Syst Engn Grp, Lexington, MA 02420 USA
[2] MIT, Lincoln Lab, Laser Technol & Appl Grp, Lexington, MA 02420 USA
[3] MIT, Lincoln Lab, Adv Space Syst & Concept Grp, Lexington, MA 02420 USA
[4] MIT, Lincoln Lab, Opt Commun Grp, Lexington, MA 02420 USA
来源：
PROCEEDINGS OF THE IEEE | 2007年 / 95卷 / 10期
基金：
美国国家航空航天局;
关键词：
communication systems; communication terminals; laser beam steering; optical communication; optical communication equipment; optical communication terminals; space technology; space vehicle communication;
D O I：
10.1109/JPROC.2007.905101
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Near-Earth laser communication system designs typically use the near-symmetric power levels in duplex links as bright sources upon which to base active beam stabilization. In deep space, it may be difficult to provide a constant, high-power laser beacon as a stabilization reference. we describe here several means, aimed at different frequency ranges of control, for generating a combined pointing reference and for actively controlling beam position. Such a blended approach gives a highly flexible system for performing beam stabilization in deep space, where distances, conditions, and power levels can vary widely.
引用
收藏
页码：2070 / 2081
页数：12
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