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    • 2. 发明授权
    • Echelle grating multi-order imaging spectrometer utilizing a catadioptric lens
    • Echelle光栅多阶成像光谱仪利用反折射透镜
    • US08736836B2
    • 2014-05-27
    • US13086233
    • 2011-04-13
    • Michael P. ChrispJoel M. Bowers
    • Michael P. ChrispJoel M. Bowers
    • G01J3/02G01J3/18
    • G01J3/0208G01J3/0256G01J3/0286G01J3/1809
    • A cryogenically cooled imaging spectrometer that includes a spectrometer housing having a first side and a second side opposite the first side. An entrance slit is on the first side of the spectrometer housing and directs light to a cross-disperser grating. An echelle immersions grating and a catadioptric lens are positioned in the housing to receive the light. A cryogenically cooled detector is located in the housing on the second side of the spectrometer housing. Light from the entrance slit is directed to the cross-disperser grating. The light is directed from the cross-disperser grating to the echelle immersions grating. The light is directed from the echelle immersions grating to the cryogenically cooled detector on the second side of the spectrometer housing.
    • 一种低温冷却成像光谱仪,其包括具有第一侧和与第一侧相对的第二侧的光谱仪外壳。 入口狭缝位于光谱仪外壳的第一侧,并将光引导到交叉分散光栅。 折叠式沉没光栅和反射折射透镜位于外壳中以接收光。 低温冷却检测器位于光谱仪外壳第二侧的外壳内。 来自入口狭缝的光被引导到交叉分散光栅。 光从交叉分散器光栅引导到梯子沉浸光栅。 灯从梯子沉浸光栅引导到光谱仪外壳第二侧的低温冷却检测器。
    • 6. 发明授权
    • Convex diffraction grating imaging spectrometer
    • 凸衍射光栅成像光谱仪
    • US5880834A
    • 1999-03-09
    • US047083
    • 1998-03-24
    • Michael P. Chrisp
    • Michael P. Chrisp
    • G01J3/02G01J3/18G01J3/20G01J3/28G03F7/20
    • G01J3/02G01J3/0208G01J3/021G01J3/0256G01J3/0294G01J3/18G01J3/20G01J3/2803G01J3/2823G03F7/70233
    • A 1:1 Offner mirror system for imaging off-axis objects is modified by replacing a concave spherical primary mirror that is concentric with a convex secondary mirror with two concave spherical mirrors M1 and M2 of the same or different radii positioned with their respective distances d1 and d2 from a concentric convex spherical diffraction grating having its grooves parallel to the entrance slit of the spectrometer which replaces the convex secondary mirror. By adjusting their distances d1 and d2 and their respective angles of reflection .alpha. and .beta., defined as the respective angles between their incident and reflected rays, all aberrations are corrected without the need to increase the spectrometer size for a given entrance slit size to reduce astigmatism, thus allowing the imaging spectrometer volume to be less for a given application than would be possible with conventional imaging spectrometers and still give excellent spatial and spectral imaging of the slit image spectra over the focal plane.
    • 1:1用于成像离轴物体成像的偏光镜系统通过用相对于不同半径的两个凹球面镜M1和M2以相应的距离d1 并且具有平行于光谱仪的入口狭缝的凹槽的同心凸球形衍射光栅的d2,其代替凸的次级反射镜。 通过调整它们的距离d1和d2以及它们各自的反射角α和β,被定义为它们入射和反射光线之间的相应角度,所有像差被校正,而不需要增加给定入射狭缝尺寸的光谱仪尺寸以减少散光 ,从而允许成像光谱仪体积对于给定的应用而言比常规成像光谱仪可能少,并且仍然在焦平面上给出狭缝图像光谱的优异的空间和光谱成像。
    • 7. 发明授权
    • Dual waveband compact catadioptric imaging spectrometer
    • 双波段小型反射折射成像光谱仪
    • US08339600B2
    • 2012-12-25
    • US12829816
    • 2010-07-02
    • Michael P. Chrisp
    • Michael P. Chrisp
    • G01J3/28
    • G01J3/2823G01J3/0208G01J3/0229
    • A catadioptric dual waveband imaging spectrometer that covers the visible through short-wave infrared, and the midwave infrared spectral regions, dispersing the visible through shortwave infrared with a zinc selenide grating and midwave infrared with a sapphire prism. The grating and prism are at the cold stop position, enabling the pupil to be split between them. The spectra for both wavebands are focused onto the relevant sections of a single dual waveband detector. Spatial keystone distortion is controlled to less than one tenth of a pixel over the full wavelength range, facilitating the matching of the spectra in the midwave infrared with the shorter wavelength region.
    • 通过短波红外线可见的反射折射双波段成像光谱仪和中波红外光谱区域,用蓝宝石棱镜将硒化镓光栅和中波红外线通过短波红外线分散。 光栅和棱镜处于冷停止位置,使光瞳在其间分开。 两个波段的光谱聚焦到单个双波段检测器的相关部分。 在整个波长范围内,空间梯形失真被控制为小于像素的十分之一,有助于中波红外线与较短波长区域的光谱匹配。
    • 9. 发明授权
    • Imaging spectrometer wide field catadioptric design
    • 成像光谱仪广场反射折射设计
    • US07414719B2
    • 2008-08-19
    • US11341080
    • 2006-01-26
    • Michael P. Chrisp
    • Michael P. Chrisp
    • G01J3/28
    • G01J3/2823G01J3/02G01J3/0208
    • A wide field catadioptric imaging spectrometer with an immersive diffraction grating that compensates optical distortions. The catadioptric design has zero Petzval field curvature. The imaging spectrometer comprises an entrance slit for transmitting light, a system with a catadioptric lens and a dioptric lens for receiving the light and directing the light, an immersion grating, and a detector array. The entrance slit, the system for receiving the light, the immersion grating, and the detector array are positioned wherein the entrance slit transmits light to the system for receiving the light and the system for receiving the light directs the light to the immersion grating and the immersion grating receives the light and directs the light through the system for receiving the light to the detector array.
    • 具有补偿光学失真的沉浸式衍射光栅的宽场反射折射成像光谱仪。 反射折射设计具有零Petzval场曲率。 成像光谱仪包括用于透射光的入射狭缝,具有反射折射透镜的系统和用于接收光并引导光的屈光镜,浸没光栅和检测器阵列。 入口狭缝,用于接收光的系统,浸没光栅和检测器阵列被定位成其中入射狭缝将光透射到系统以接收光,并且用于接收光的系统将光引导到浸没光栅,并且 浸入式光栅接收光并引导光通过系统以将光接收到检测器阵列。