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Proceedings Paper

Performance characteristics of 5-bit optical receive beamformer
Author(s): Sabarni Palit; Sergio Granieri; Azad Siahmakoun; Bruce A. Black; Charles Pagel
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Paper Abstract

This paper describes implemented methods for characterizing a 5-bit programmable dispersion matrix (PDM) that is built to control a two-channel Receive beamformer in the 1550 nm region. The architecture of the PDM, is based on an array of 5 delay lines each having two spliced fiber Bragg gratings. Phase measurements for 32 possible delay configurations of the PMD are presented. Beam-patterns of this Receive beamformer at RF frequencies of 0.2, 0.5 and 1 GHz agrees well with the theoretical calculations. The main lobe of the beam pattern is shown to be independent of frequency for several target positions thus demonstrating a 'squint-free' characteristic of this optical processor.

Paper Details

Date Published: 17 February 2003
PDF: 6 pages
Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); doi: 10.1117/12.474293
Show Author Affiliations
Sabarni Palit, Rose-Hulman Institute of Technology (United States)
Sergio Granieri, Rose-Hulman Institute of Technology (United States)
Azad Siahmakoun, Rose-Hulman Institute of Technology (United States)
Bruce A. Black, Rose-Hulman Institute of Technology (United States)
Charles Pagel, NAVSEA (United States)


Published in SPIE Proceedings Vol. 4833:
Applications of Photonic Technology 5

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