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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 34 — Dec. 1, 2008
  • pp: 6448–6452

Photonic dual RF beam reception of an X band phased array antenna using a photonic crystal fiber-based true-time-delay beamformer

Harish Subbaraman, Maggie Yihong Chen, and Ray T. Chen  »View Author Affiliations


Applied Optics, Vol. 47, Issue 34, pp. 6448-6452 (2008)
http://dx.doi.org/10.1364/AO.47.006448


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Abstract

We report dual RF beam reception of an X band phased array antenna using a photonic crystal fiber (PCF)-based delay network. Each incoming RF signal can be independently received, and the angle of arrival can be determined based on the delay time-dependent wavelength. Two RF signals with frequencies 8.4 and 12 GHz impinge upon an X-band antenna array from 7.4 ° and 21.2 ° . These signals are detected, and the angle of arrival is determined with a very good degree of accuracy using PCF-based true-time delay. The total number of RF beams that can be simultaneously detected is limited by the hardware availability and the bandwidth of the wavelength differentiation capability of the system.

© 2008 Optical Society of America

OCIS Codes
(280.5110) Remote sensing and sensors : Phased-array radar
(060.4005) Fiber optics and optical communications : Microstructured fibers
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 8, 2008
Revised Manuscript: October 21, 2008
Manuscript Accepted: October 29, 2008
Published: November 27, 2008

Citation
Harish Subbaraman, Maggie Yihong Chen, and Ray T. Chen, "Photonic dual RF beam reception of an X band phased array antenna using a photonic crystal fiber-based true-time-delay beamformer," Appl. Opt. 47, 6448-6452 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-34-6448


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