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Proceedings Paper

A flat laser array aperture
Author(s): Stergios J. Papadakis; Gerald F. Ricciardi; Michael C. Gross; Jerry A. Krill
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Paper Abstract

We describe a design concept for a flat (or conformal) thin-plate laser phased-array aperture. The aperture consists of a substrate supporting a grid of single-mode optical waveguides fabricated from a linear electro-optic material. The waveguides are coupled to a single laser source or detector. An arrangement of electrodes provides for two-dimensional beam steering by controlling the phase of the light entering the grid. The electrodes can also be modulated to simultaneously provide atmospheric turbulence modulation for long-range free-space optical communication. An approach for fabrication is also outlined.

Paper Details

Date Published: 5 May 2010
PDF: 10 pages
Proc. SPIE 7666, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense IX, 76661S (5 May 2010); doi: 10.1117/12.850593
Show Author Affiliations
Stergios J. Papadakis, The Johns Hopkins Univ. Applied Physics Lab. (United States)
Gerald F. Ricciardi, The Johns Hopkins Univ. Applied Physics Lab. (United States)
Michael C. Gross, The Johns Hopkins Univ. Applied Physics Lab. (United States)
Jerry A. Krill, The Johns Hopkins Univ. Applied Physics Lab. (United States)


Published in SPIE Proceedings Vol. 7666:
Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense IX
Edward M. Carapezza, Editor(s)

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