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发明名称
COLOUR SELECTIVE FILTERS
摘要
<p>A colour selective filter comprises neutral linear polarisers (6, 7) and continuously tunable waveplates (A, B) arranged in alternating sequence along an optical axis (OA). At least two waveplates (A, B) are provided.</p>
申请公布号
WO1997043688(A1)
申请公布日期
1997.11.20
申请号
GB1997001252
申请日期
1997.05.08
申请人
发明人
分类号
主分类号
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