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    • 1. 发明授权
    • Compact narrow band imaging system
    • 紧凑型窄带成像系统
    • US08314612B1
    • 2012-11-20
    • US12008595
    • 2008-01-11
    • Wayne Eugene RodgersLawrence Scott Ring
    • Wayne Eugene RodgersLawrence Scott Ring
    • G01R33/032G02B5/30
    • G01R33/032G02B26/02
    • A compact narrow band imaging system includes a vapor cell having a gas that receives and transmits light in accordance with the Faraday effect. A magnetic source is provided for applying a magnetic field to the vapor cell. Crossed polarizers are disposed before and after the vapor cell creating a Faraday optical filter. The only light that passes through the filter is light within a narrow band near the absorption peaks of the vapor. Other optical elements of the imaging system including filters, image detectors, electron multipliers, signal digitizers, and heat filters are co-located within the imaging system's common thermal isolation container to provide improved performance. The compact system is suitable for wide area surveillance, including daylight surveillance for combustion sources such as forest fires and missile exhaust.
    • 紧凑的窄带成像系统包括具有根据法拉第效应接收和透射光的气体的蒸汽池。 提供磁源以向蒸气室施加磁场。 交叉偏振器设置在形成法拉第滤光器的蒸汽池之前和之后。 通过滤光器的唯一光线是在蒸气吸收峰附近的窄带内的光。 包括滤光器,图像检测器,电子倍增器,信号数字转换器和热过滤器的成像系统的其他光学元件共同位于成像系统的公共隔热容器内以提供改进的性能。 紧凑型系统适用于广域监控,包括对森林火灾和导弹排气等燃烧源进行日光监视。