Grating drive mechanism
    1.
    发明授权
    Grating drive mechanism 失效
    磨光机构

    公开(公告)号:US3614227A

    公开(公告)日:1971-10-19

    申请号:US3614227D

    申请日:1969-07-25

    CPC classification number: G01J3/18 G01J3/06

    Abstract: The invention concerns an optical grating drive apparatus wherein a carriage for multiple diffraction gratings is movable between a plurality of locations, there being stops to limit carriage movement at such locations in which different gratings are selectively presented in the path of an incident beam; also a plurality of cam followers are shiftable relative to rotary cam means between positions in which different followers selectively engage the cam means and are displaced in response to cam means rotation; the followers and carriage have operative interconnection such that when a selected follower is engaged with the cam means the carriage may occupy alternate locations in order to selectively present corresponding gratings to the beam path; and displacement of a selected follower in response to cam rotation effects rotation of a selected grating in the beam path.

    Radiation entrapping, multi-reflection raman sample cell employing a single concave mirror
    2.
    发明授权
    Radiation entrapping, multi-reflection raman sample cell employing a single concave mirror 失效
    辐射输入,多反射拉曼样品单元,采用单一镜像

    公开(公告)号:US3704955A

    公开(公告)日:1972-12-05

    申请号:US3704955D

    申请日:1970-02-19

    CPC classification number: G01N21/65 G01N2021/651

    Abstract: Apparatus for passing light repeatedly through a sample in a sample space comprises two longitudinally separated reflectors one of which is concave and the other of which is planar, the reflectors located to repeatedly reflect a light beam therebetween for passage repeatedly through the sample space.

    Abstract translation: 用于将光重复通过样品空间中的样品的装置包括两个纵向分离的反射器,其中一个反射器是凹入的,另一个是平面的,反射器被定位成反复反射其间的光束,以重复通过样品空间。

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