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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 5 — Mar. 1, 2006
  • pp: 577–579

Multichannel vector sum phase shifter

Lam Anh Bui, Kamran Ghorbani, and Arnan Mitchell  »View Author Affiliations


Optics Letters, Vol. 31, Issue 5, pp. 577-579 (2006)
http://dx.doi.org/10.1364/OL.31.000577


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Abstract

A novel multichannel vector sum phase shifter that is suitable for phased array antenna applications is demonstrated. Each channel is implemented using a distinct optical wavelength. Selective control of each channel is performed using an acousto-optic polarization coupler. The concept is successfully demonstrated for two individually controlled channels. For each channel, a continuously variable frequency linear phase shift is demonstrated between DC and 7 GHz , with the phasing range exceeding 100°.

© 2006 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(280.5110) Remote sensing and sensors : Phased-array radar
(350.4010) Other areas of optics : Microwaves

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 22, 2005
Revised Manuscript: December 1, 2005
Manuscript Accepted: December 4, 2005

Citation
Lam Anh Bui, Kamran Ghorbani, and Arnan Mitchell, "Multichannel vector sum phase shifter," Opt. Lett. 31, 577-579 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-5-577


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References

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  2. R. Axford, R. Major, and J. Rockway, in IEEE International Symposium on Phased Array Systems and Technology, 2003 (Institute of Electrical and Electronics Engineers, 2003), pp. 365-370. [CrossRef]
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  9. L. A. Bui, A. Mitchell, K. Ghorbani, and T. H. Chio, in Bragg Gratings, Poling and Photosensitivity/30th Australian Conference on Optical Fibre Technology (BGPP/ACOFT 2005 Conference, 2005). [CD-ROM] [PubMed]
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