WAVENUMBER LINEAR GRATING SPECTROMETER
    1.
    发明申请
    WAVENUMBER LINEAR GRATING SPECTROMETER 审中-公开
    波纹线性光谱仪

    公开(公告)号:WO2012129466A1

    公开(公告)日:2012-09-27

    申请号:PCT/US2012/030251

    申请日:2012-03-23

    Abstract: Wavenumber linear spectrometers ( 310 ) are provided including an input ( 312 ) configured to receive electromagnetic radiation from an external source; collimating optics ( 314 ) configured to collimate the received electromagnetic radiation; a dispersive assembly ( 330 ) including first and second diffractive gratings ( 320, 322 ), wherein the first diffraction grating is configured in a first dispersive stage to receive the collimated electromagnetic radiation and wherein the dispersive assembly includes at least two dispersive stages configured to disperse the collimated input; and an imaging lens assembly ( 318 ) configured to image the electromagnetic radiation dispersed by the at least two dispersive stages onto a linear detection array ( 320 ) such that the variation in frequency spacing along the linear detection array is no greater than about 10%.

    Abstract translation: 提供了波数线性光谱仪(310),包括被配置为从外部源接收电磁辐射的输入(312) 准直光学器件(314),其配置成准直所接收的电磁辐射; 包括第一和第二衍射光栅(320,322)的分散组件(330),其中所述第一衍射光栅被配置在第一色散级中以接收所述准直电磁辐射,并且其中所述色散组件包括至少两个分散级, 准直输入; 以及成像透镜组件(318),被配置为将由所述至少两个色散级分散的电磁辐射成像到线性检测阵列(320)上,使得沿线性检测阵列的频率间隔的变化不大于约10%。

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