发明名称 |
NOVEL GRATING |
摘要 |
A grating comprising a plurality of substantially parallel members having a conducting surface of depth L, separated by a dielectric layer gap, and having of pitch lambdag and where L>16lambdag. The members are preferably metallic or comprise metallic foil covered plastic. The gap may be filled wholly or partially with dielectric material including liquid crystal whose refractive index can be controlled by suitable application of voltage across the gap. |
申请公布号 |
EP1264364(A2) |
申请公布日期 |
2002.12.11 |
申请号 |
EP20010909990 |
申请日期 |
2001.03.07 |
申请人 |
QINETIQ LIMITED |
发明人 |
SAMBLES, JOHN ROY;LAWRENCE, CHRISTOPHER ROBERT |
分类号 |
H01Q1/42;H01Q3/44;H01Q15/00;H01Q15/14;H01Q17/00;(IPC1-7):H01Q1/42 |
主分类号 |
H01Q1/42 |
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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