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    • 3. 发明申请
    • Spectrally diverse, spatially sensitive apparatus and associated methods
    • 光谱多样,空间敏感的装置和相关方法
    • US20090073451A1
    • 2009-03-19
    • US12292312
    • 2008-11-17
    • Robert D. TeKolsteAlan D. Kathman
    • Robert D. TeKolsteAlan D. Kathman
    • G01J3/45G01N21/25
    • H01L27/14685G01J3/18G01J3/26G01J3/36G01J2003/1213
    • A spectrometer for use with a desired wavelength range includes an array of filters. Each filter outputs at least two non-contiguous wavelength peaks within the desired wavelength range. The array of filters is spectrally diverse over the desired wavelength range, and each filter in the array of filters outputs a spectrum of a first resolution. An array of detectors has a detector for receiving an output of a corresponding filter. A processor receives signals from each detector, and outputs a reconstructed spectrum having a second resolution, the second resolution being higher than any of the first resolution of each filter. Filters and detectors may be arranged into a plurality of imaging units, each imaging unit including first and second filters and first and second photosensing regions. A processor receives signals from each imaging unit, and generates a reconstructed spatial image comprised of discrete spatial units corresponding to each imaging unit.
    • 用于所需波长范围的光谱仪包括一组滤光片。 每个滤波器在期望的波长范围内输出至少两个不连续的波长峰值。 滤波器阵列在期望的波长范围内是频谱多样的,并且滤波器阵列中的每个滤波器输​​出第一分辨率的光谱。 检测器阵列具有用于接收相应滤波器的输出的检测器。 处理器从每个检测器接收信号,并输出具有第二分辨率的重建频谱,第二分辨率高于每个滤波器的任何第一分辨率。 滤光器和检测器可以被布置成多个成像单元,每个成像单元包括第一和第二滤光器以及第一和第二光敏区域。 处理器从每个成像单元接收信号,并且产生由对应于每个成像单元的离散空间单元组成的重构空间图像。
    • 5. 发明授权
    • Light valve with twisted perpendicular liquid crystal with a negative
dielectric anisotropy
    • 具有扭曲垂直液晶的光阀具有负介电各向异性
    • US5384650A
    • 1995-01-24
    • US863659
    • 1992-04-06
    • Robert D. TeKolsteRodney D. Sterling
    • Robert D. TeKolsteRodney D. Sterling
    • G02F1/1335G02F1/1337G02F1/135G02F1/139G02F1/13
    • G02F1/1396G02F1/133734G02F1/135G02F2001/133742
    • A liquid crystal light valve projection system is provided with increased optical overshoot, and thereby decreased optical response time, by employing a liquid crystal mixture (52) having molecules substantially perpendicularly aligned to the face of the liquid crystal light valve electrodes (42,70) and axially twisted. The axial twist of the liquid crystal molecules is provided by laying down alignment grooves (90,92,96,98) for the liquid crystal mixture that are oriented with respect to one another, on the opposite alignment layers, by an angle of between about 45.degree. and 90.degree.. This mutually angled orientation of the opposed alignment grooves on the opposed alignment layers causes optical overshoot of the system to vary when the entire liquid crystal cell (34) is rotated relative to the output polarizer (18) about an axis perpendicular to the output face of the cell. This rotation of the cell (34) of twisted perpendicular liquid crystal relative to the output polarizer (18) allows a faster optical rise time to be achieved.
    • 通过采用具有与液晶光阀电极(42,70)的表面基本垂直排列的分子的液晶混合物(52),使液晶光阀投影系统具有增加的光学过冲,从而降低了光响应时间, 并轴向扭转。 液晶分子的轴向扭转是通过将相对于彼此定向的液晶混合物的对准凹槽(90,92,96,98)放置在相对的取向层上,以约为 45°和90°。 当相对的对准层上的相对的对准沟槽的相互倾斜的取向导致当整个液晶单元(34)相对于输出偏振器(18)围绕垂直于输出面的轴线旋转时系统的光学过冲变化 细胞。 扭转的垂直液晶单元(34)相对于输出偏振器(18)的旋转允许实现更快的光学上升时间。