OPTICAL CONTROL PHASED ARRAY ANTENNA - MITSUBISHI ELECTRIC CORP

Title:

OPTICAL CONTROL PHASED ARRAY ANTENNA

Document Type and Number:

WIPO Patent Application WO/2004/107567

Kind Code:

A1

Abstract:

An optical control phased array antenna comprising a laser generating means for generating light of single wavelength, an optical path branching means for branching the light emitted from the laser generating means into first and second transmission lights, a high frequency signal generating means, an optical frequency modulating means for shifting the frequency of the first transmission light branched through the optical path branching means by the frequency of a high frequency signal thus generated, a spatial light phase modulating means performing spatial phase modulation of the first transmission light shifted by the frequency of a high frequency signal depending on the antenna beam pattern, and an optical path branching/multiplexing means for multiplexing the first transmission light subjected to phase modulation and the second transmission light branched by the optical path branching means. Optical path lengths of two paths between the optical path branching means and the optical path branching/multiplexing means are equalized.

Inventors:

MIZUMA MASASHI (JP)
ANDO TOSHIYUKI (JP)
AKIYAMA TOMOHIRO (JP)
HIRANO YOSHIHITO (JP)

Application Number:

PCT/JP2003/006761

Publication Date:

December 09, 2004

Filing Date:

May 29, 2003

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)
MIZUMA MASASHI (JP)
ANDO TOSHIYUKI (JP)
AKIYAMA TOMOHIRO (JP)
HIRANO YOSHIHITO (JP)

International Classes:

G02F1/01; G02F2/02; H01Q3/26; H01Q3/30; H03G3/26; (IPC1-7): H03G3/26

Foreign References:

JP2002208813A	2002-07-26
JPH09307336A	1997-11-28
JPH0357305A	1991-03-12

Other References: