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    • 1. 发明授权
    • Spectrophotometric optical system of microplate reader and filter wheel thereof
    • 微孔板阅读器及其滤光轮的分光光度学系统
    • US07382455B2
    • 2008-06-03
    • US11564446
    • 2006-11-29
    • Lihua ZhouJinhong Qiu
    • Lihua ZhouJinhong Qiu
    • G01N21/25
    • G01J3/51G01J3/0243G01J3/12G01J2003/1217G01N2201/0453
    • A spectrophotometric optical system of a microplate reader and a filter wheel thereof are disclosed. The filter wheel comprises a pivotable wheel body, at least one narrow-band filter with a relatively long central wavelength mounted to the wheel body, and at least one narrow-band filter with a relatively short central wavelength mounted to the wheel body. The narrow-band filter with a relatively long central wavelength is provided with a diaphragm on a front surface thereof The diaphragm is formed with a plurality of apertures. By the diaphragm attached to the front surface of the narrow-band filter with a relatively long central wavelength, an energy matching between light of longer wavelength and light of shorter wavelength may be achieved. Further, due to the uniformly distributed apertures in the diaphragm, an even light spot may be obtained.
    • 公开了微板读数器及其滤光轮的分光光度学系统。 所述滤光轮包括可枢转的轮体,至少一个安装在所述车轮主体上的具有较长的中心波长的窄带过滤器以及至少一个具有相对短的中心波长的窄带过滤器,安装在所述车轮主体上。 具有相对长的中心波长的窄带滤光片在其前表面上设置有隔膜。隔膜形成有多个孔。 通过附着在具有较长中心波长的窄带滤光片的前表面的光阑,可以实现较长波长的光与较短波长的光之间的能量匹配。 此外,由于隔膜中均匀分布的孔,可以获得均匀的光点。
    • 4. 发明申请
    • GRATING PHOTOMETER
    • 光泽测光仪
    • US20080068598A1
    • 2008-03-20
    • US11855080
    • 2007-09-13
    • Jinhong QiuChao ZengJing Cao
    • Jinhong QiuChao ZengJing Cao
    • G01J1/40
    • G01J3/18G01J3/02G01J3/0262G01J3/04
    • The present invention provides a grating photometer comprising a light splitting box a preamplifier box, a photodiode array and optical assembly. The light splitting box has a light splitting chamber. There are provided a first extinction hole and second extinction hole respectively on the side wall of the light splitting chamber and on the preamplifier box to correspond to zero order spectrum line. The first hole is a through hole and the second hole is a blind hole the configuration of the first and second extinction holes direct the zero order spectrum to go into the second extinction hole, as a result, generates a rather small number of stray light in the light splitting chamber coming from the scattering of the zero order spectrum from the second extinction hole, thus suppresses effectively the stray light and improves tho signal-to-noise ratio of the photometer.
    • 本发明提供了一种光栅光度计,其包括分光盒,前置放大器盒,光电二极管阵列和光学组件。 分光箱具有分光室。 分别在分光室的侧壁和前置放大器盒上分别设置有第一消光孔和第二消光孔,以对应于零级光谱线。 第一孔是通孔,第二孔是盲孔,第一和第二消光孔的配置引导零级光谱进入第二消光孔,结果产生相当少数的杂散光 来自第二消光孔的零级光谱的散射的分光室,从而有效地抑制杂散光并提高光度计的信噪比。
    • 5. 发明授权
    • Grating photometer
    • 光栅光度计
    • US07626697B2
    • 2009-12-01
    • US11855080
    • 2007-09-13
    • Jinhong QiuChao ZengJing Cao
    • Jinhong QiuChao ZengJing Cao
    • G01J3/28
    • G01J3/18G01J3/02G01J3/0262G01J3/04
    • The present invention provides a grating photometer comprising a light splitting box, a preamplifier box, a photodiode array and optical assembly. The light splitting box has a light splitting chamber. There are provided a first extinction hole and second extinction hole respectively on the side wall of the light splitting chamber and on the preamplifier box to correspond to zero order spectrum line. The first hole is a through hole and the second hole is a blind hole. The configuration of the first and second extinction holes direct the zero order spectrum to go into the second extinction hole, as a result, generates a rather small number of stray light in the light splitting chamber coming from the scattering of the zero order spectrum from the second extinction hole, thus suppresses effectively the stray light and improves the signal-to-noise ratio of the photometer.
    • 本发明提供了一种光栅光度计,其包括光分离盒,前置放大器盒,光电二极管阵列和光学组件。 分光箱具有分光室。 分别在分光室的侧壁和前置放大器盒上分别设置有第一消光孔和第二消光孔,以对应于零级光谱线。 第一孔是通孔,第二孔是盲孔。 第一和第二消光孔的结构使零级光谱引导进入第二消光孔,结果在分光室中产生相当少数的杂散光,其来自零级光谱的散射 第二消光孔,从而有效抑制杂散光,提高光度计的信噪比。