发明名称 |
Method and apparatus for steering and stabilizing Radio Frequency beams utilizing photonic crystal structures |
摘要 |
An RF beam steering device employs a prism assembly (20, 21) to steer an RF beam (7) and a compensation device to address undesirable movement of the beam steering device. The prism assembly includes a plurality of dielectric prisms each with an associated impedance matching layer. The dielectric prisms are rotated relative to each other to steer the RF beam in a desired direction and further to compensate for movement of the beam steering device itself. The prisms include a plurality of individual panels with drilled or slotted openings that are arranged to create a periodic photonic crystal structure within a defined region. This configuration effectively alters the dielectric constant over any one particular region of a panel, thereby altering the level of diffraction possible for a specified panel thickness. |
申请公布号 |
EP2028524(A2) |
申请公布日期 |
2009.02.25 |
申请号 |
EP20080162549 |
申请日期 |
2008.08.18 |
申请人 |
ITT MANUFACTURING ENTERPRISES, INC. |
发明人 |
BRAUNSTEIN, MARK DAVID;WINSOR, ROBERT SCOTT;FREELAND, PETER CHARLES;PIXTON, SHANE WILLIAM |
分类号 |
G02B26/08;G02B27/64;H01Q3/00;H01Q3/02;H01Q15/00;H01Q15/08;H01Q15/10;H01Q17/00;H01Q19/06 |
主分类号 |
G02B26/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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