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    • 1. 发明申请
    • AN OPTICAL PROBE
    • 光学探头
    • WO2009087527A1
    • 2009-07-16
    • PCT/IB2008/055483
    • 2008-12-22
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HENDRIKS, Bernardus, H., W.BIERHOFF, Waltherus, C., J.BRAUN, Augustinus, L.MIHAJLOVIC, Nenad'T HOOFT, Gert
    • HENDRIKS, Bernardus, H., W.BIERHOFF, Waltherus, C., J.BRAUN, Augustinus, L.MIHAJLOVIC, Nenad'T HOOFT, Gert
    • A61B1/04A61B5/00
    • A61B5/0062A61B1/00096A61B1/00165A61B1/00183A61B1/0019A61B5/0084
    • The present invention relates to an optical probe (1) with an optical guide (2), e.g. an optical fibre, and a lens system (6) rigidly coupled to an end portion (2a) of the optical guide. The probehas a housing (3) with a cavity for the opticalguide, the housing having at its distalend a transparent window (4), the window having an insignificant optical power as compared to the opticalpower of the said lens system (6). Actuation means (8) displaces the 5 lens system so as to enable optical scanning of a region of interest (ROI). The invention is particularly suited for miniature applications e.g. for in-vivo medical application. By attaching the lens system (6) to the optical guide (2) via the mount (7), the field of view (FOV) of the optical probe (1) may be determined directly by the transverse stroke of the optical fibre (2). Hence only a relatively small stroke is required. The field of view is thus 10 effectively no longer limited by the transverse stroke. The optical probe is especially advantageous for non-linear optical imaging where the optical guide may be an optical fibre witha relatively low exit numerical aperture.
    • 本发明涉及一种具有光导(2)的光学探针(1),例如, 光纤,以及刚性地耦合到光导的端部(2a)的透镜系统(6)。 探针具有用于光导的空腔的壳体(3),所述壳体在其远端处具有透明窗口(4),所述窗口与所述透镜系统(6)的光焦度相比具有无效的光焦度。 驱动装置(8)使5透镜系统移位,以便对感兴趣区域(ROI)进行光学扫描。 本发明特别适用于微型应用,例如 用于体内医疗应用。 通过经由安装件(7)将透镜系统(6)附接到光导(2),光学探头(1)的视场(FOV)可以直接由光纤(2)的横向行程确定 )。 因此,只需要相对较小的行程。 因此,视场10不再受横向行程的限制。 光学探针对于非线性光学成像特别有利,其中光导可以是具有相对低的出射数值孔径的光纤。