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Simultaneous optical tracking of multiple targets in a field of view greater than 20°
Author(s) -
K. Kawakami,
H. Okamura,
Kimiya Komurasaki
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.009777
Subject(s) - optics , tracking (education) , phase conjugation , phase (matter) , resonator , light beam , beam (structure) , physics , laser , psychology , pedagogy , quantum mechanics
A multi-target tracking system using a self-starting optical phase conjugator was developed in this study. This system generates phase conjugate light (PCL) in a Nd:YAG resonator. Accurate tracking capability with a beam wander of 120 μrad and constant PCL generation were confirmed over a field of view greater than 20°. This field of view was expanded by means of collector optics positioned in front of the phase conjugator. The developed scheme enables automatic and simultaneous optical energy transfer to multiple distant targets by utilizing the unique properties of optical phase conjugation of automatic target tracking and pointing.

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