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    • 4. 发明申请
    • Multi-mode optical imager
    • 多模光学成像仪
    • US20060208193A1
    • 2006-09-21
    • US11437085
    • 2006-05-19
    • Andrew Bodkin
    • Andrew Bodkin
    • G01J5/02
    • H04N5/332G01J3/02G01J3/0208G01J3/0216G01J3/027G01J3/0278G01J3/0289G01J3/36G01J5/06G01J5/602G01J2005/0077G01S7/4812G01S17/87G01S17/89G02B17/0808G02B17/0852G02B17/0896G02B23/12H04N5/33
    • A common aperture, multi-mode optical imager for imaging electromagnetic radiation bands from a field of two or more different wavelengths is described. Fore-optics are provided to gather and direct electromagnetic radiation bands forming an image into an aperture of the multi-mode optical imager. The image is divided into two different wavelength bands, such as visible light and long-wave infrared. The first wavelength band (e.g., visible light) is detected by a first detector, such as a CCD array, for imaging thereof. The second wavelength band (e.g., long-wave infrared) is detected by a second detector, such as an uncooled microbolometer array, for imaging thereof. Additional optics may be provided for conditioning of the first and second wavelength bands, such as such as for changing the magnification, providing cold shielding, filtering, and/or further spectral separation.
    • 描述了用于从两个或更多个不同波长的场成像电磁辐射带的公共孔径多模光学成像器。 提供前光学器件以将形成图像的电磁辐射带收集并引导到多模光学成像器的孔径中。 图像被分为两个不同的波段,如可见光和长波红外。 第一波长带(例如可见光)由诸如CCD阵列的第一检测器检测,用于对其进行成像。 第二波长带(例如,长波红外线)由第二检测器(例如未冷却的微热辐射计阵列)检测,用于成像。 可以提供附加的光学器件用于调节第一和第二波长带,例如用于改变放大率,提供冷屏蔽,滤波和/或进一步的光谱分离。
    • 7. 发明授权
    • Multiband spatial heterodyne spectrometer and associated methods
    • 多频段空间外差谱仪及相关方法
    • US08154732B2
    • 2012-04-10
    • US12111108
    • 2008-04-28
    • Andrew BodkinAndrew I. Sheinis
    • Andrew BodkinAndrew I. Sheinis
    • G01B9/02G01J3/45
    • G01J3/36G01J3/02G01J3/021G01J3/22G01J3/2823G01J3/453
    • A multiband spatial heterodyne spectrometer for determining spectra in first and second wavelength bands has a beam splitter configured to split incident light and to direct the incident light upon a first and a second diffraction grating. The gratings are configured for Littrow reflection of incident light of the first wavelength band at a first order and Littrow reflection of incident light of the second wavelength band at a second order. Light reflected by the first and the second diffraction grating forms diffraction patterns that are imaged by an electronic camera. A dispersive device such as a prism or diffraction grating separates the imaged interference patterns onto separate rows of pixel sensors corresponding to the wavelength bands. A processing device receives information from the detector and computes spectra therefrom. In embodiments, the spectrometer is configured to compute hyperspectral images of a target.
    • 用于确定第一和第二波长带中的光谱的多频带空间外差光谱仪具有分束器,其配置成分离入射光并将入射光引导到第一和第二衍射光栅上。 光栅被配置为以第一阶次的第一波长带的入射光和第二波长带的入射光的Littrow反射的二次反射。 由第一和第二衍射光栅反射的光形成由电子照相机成像的衍射图案。 诸如棱镜或衍射光栅的色散装置将成像的干涉图案分离成对应于波长带的单独的像素传感器行。 处理装置从检测器接收信息并从其计算光谱。 在实施例中,光谱仪被配置为计算目标的高光谱图像。