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专利名称：ILLUMINATION OPTICAL SYSTEM发明人：KAMO, Yuji,TAKATO, Hideyasu,SASAMOTO,
Tsutomu
申请号：EP10829871.2申请日：20101102公开号：EP2469322A1公开日：20120627
专利附图：
摘要：An illumination optical system that can illuminate laterally and that is suitablefor an observation optical system with a wide angular field is provided. Provided is anillumination optical system (1), including a prism (2) disposed on an incident optical axis
and a lens (3) that is disposed at a stage before or a stage after the prism (2) and that hastwo reflection surfaces (2b, 2c), wherein at least one of the reflection surfaces (2b, 2c) is atransmission/reflection surface (2b). Additionally provided is an illumination opticalsystem which includes a prism having a surface that is disposed so as to obliquelyintersect with an incident optical system, that transmits a part of the entering light to beemitted therefrom, and that deflects at least part of the rest of the light in a directionthat intersects with the incident optical axis to be emitted therefrom. Furthermore, anillumination optical system provided with a rod lens that is disposed so that alongitudinal direction thereof is inclined with respect to an incident optical axis isprovided.
申请人：Olympus Medical Systems Corp.
地址：43-2, Hatagaya 2-chome Shibuya-ku Tokyo 151-0072 JP
国籍：JP
代理机构：Schicker, Silvia
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