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公开(公告)号:EP1118028A2
公开(公告)日:2001-07-25
申请号:EP00939032.9
申请日:2000-06-27
发明人: WEISSMAN, Yitzhak , DANKNER, Yair , ALONI, Meir
CPC分类号: G02B6/4298 , G02B6/4202
摘要: Optical apparatus includes a source light (10), a reflector (20) having a reflecting face (21) on one side facing the source of light to receive light therefrom, a small interruption (22) in the reflecting face (21), and a sampling device (30) located on the opposite side of the reflector (20) aligned with the small interruption (22) for extracting a sample of the light received by the reflecting face (21).