Journal
APPLIED OPTICS
Volume 56, Issue 24, Pages 6720-6727Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.56.006720
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Funding
- Japan Society for the Promotion of Science (JSPS) [16J07506]
- Grants-in-Aid for Scientific Research [16J07506] Funding Source: KAKEN
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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
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