- 专利标题: ELECTRICALLY ROTATABLE ANTENNAS FORMED FROM AN OPTICALLY TUNABLE MATERIAL
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申请号: US16541866申请日: 2019-08-15
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公开(公告)号: US20210050515A1公开(公告)日: 2021-02-18
- 发明人: Abram L. Falk , Jessie Carrigan Rosenberg , Damon Brooks Farmer , Kafai Lai
- 申请人: International Business Machines Corporation
- 申请人地址: US NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: US NY Armonk
- 主分类号: H01L45/00
- IPC分类号: H01L45/00 ; H01Q3/44 ; H01Q3/01 ; H01Q1/22
摘要:
An apparatus includes two or more electrically rotatable antennas providing a reconfigurable metasurface, each of the electrically rotatable antennas including a disk of optically tunable material. The apparatus also includes a control circuit including a plurality of switches each coupled to (i) one of a plurality of electrodes, the plurality of electrodes being arranged proximate different portions of at least one surface of each of the disks of optically tunable material and (ii) to at least one of a current source and a ground voltage. The control circuit is configured to modify states of portions of the optically tunable material in each of the disks of optically tunable material utilizing current supplied between at least two of the plurality of electrodes to adjust reflectivity of the portions of the optically tunable material to dynamically reconfigure respective antenna shape configurations of each of the electrically rotatable antennas.
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