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MEMS tracking mirror system for a bidirectional free-space optical link

Title
MEMS tracking mirror system for a bidirectional free-space optical link
Author
전성호
Keywords
FEMTOSECOND LASER; COMMUNICATION
Issue Date
2017-08
Publisher
OPTICAL SOC AMER
Citation
APPLIED OPTICS, v. 56, No. 24, Page. 6720-6727
Abstract
We report on a bidirectional free-space optical system that is capable of automatic connection and tracking of an optical link between two nodes. A piezoelectric micro-electro-mechanical systems (MEMS) optical scanner is used to steer a laser beam of two wavelengths superposed to visually present a communication zone, to search for the position of the remote node by means of the retro-reflector optics, and to transmit the data between the nodes. A feedback system is developed to control the MEMS scanner to dynamically establish the optical link within a 10-ms transition time and to keep track of the moving node. (C) 2017 Optical Society of America
URI
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-56-24-6720http://repository.hanyang.ac.kr/handle/20.500.11754/72264
ISSN
1559-128X; 2155-3165
DOI
10.1364/AO.56.006720
Appears in Collections:
RESEARCH INSTITUTE[E](부설연구소) > RESEARCH INSTITUTE OF ENGINEERING & TECHNOLOGY(공학기술연구소) > Articles
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