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Characterization of a Double Monochromator

机译:双单色仪的表征

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Optical spectroradiometers used to measure and monitor the radiance output of uniform sources must be thoroughly characterized. The viability of the use of an instrument for such purposes is based upon the establishment of knowledge of its radiometric responsivity characteristics. The NASA Goddard Space Flight Center Radiometric Calibration Laboratory (RCL) has commissioned a new spectroradiometer for use in measurements of irradiance and radiance sources. The spectroradiometer is comprised of a commercial scanning grating, Czerny-Tumer double monochromator. This spectroradiometer has been used to make measurements on a number of irradiance and radiance sources over the wavelength range of 300 to 2400 nm. Instrument characterization included determination of stability, functional wavelength calibration and scattered light performance. Comparison measurements were also made with other radiometers. The data gathered from these measurements is presented, analyzed, and discussed.
机译:必须对用于测量和监控均匀光源辐射输出的光谱仪进行全面表征。为此目的而使用仪器的可行性是基于其放射响应特性的知识的建立。美国国家航空航天局戈达德太空飞行中心辐射计量校准实验室(RCL)已委托使用一种新的光谱仪,用于测量辐照度和辐射源。光谱辐射仪由商用扫描光栅Czerny-Tumer双单色仪组成。该分光辐射计已用于在300至2400 nm波长范围内对许多辐照度和辐射源进行测量。仪器表征包括稳定性测定,功能波长校准和散射光性能。还使用其他辐射计进行了比较测量。从这些测量中收集的数据将被呈现,分析和讨论。

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