Liquid crystal beam directors for airborne free-space optical communications

被引：31
|
作者：
Winker, B [1 ]
Mahajan, M [1 ]
Hunwardsen, M [1 ]
机构：
[1] Rockwell Sci Co, Thousand Oaks, CA 91360 USA
来源：
2004 IEEE AEROSPACE CONFERENCE PROCEEDINGS, VOLS 1-6 | 2004年
关键词：
D O I：
10.1109/AERO.2004.1367946
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Liquid crystal beam directors for airborne freespace optical communications are discussed and compared with several types of purely mechanical beam directors (i.e., gimbals) in terms of performance, size, weight and power (SWaP). Beam director requirements for initial laser pointing and link acquisition are described. The fine and coarse steering capabilities of liquid crystal optical phased arrays and emerging liquid crystal wide-angle steering technologies are discussed, with particular emphasis on agility and tracking smoothness.
引用
收藏
页码：1702 / 1709
页数：8
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