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Ultraviolet calibration of detectors with respect to a cryogenic radiometer

机译:相对于低温辐射计的探测器的紫外线校准

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摘要

A facility has been designed to perform a variety of detector characterizations in the air-ultraviolet in the spectral range 230 nm to 400 nm. The facility allows the measurement of spatial uniformity, linearity and the spectral responsivity of different detectors, irradiated by a He-Cd laser or by a monochromator and Xe discharge lamp. With this technique, a set of Si photodiodes, Si detectors in trap configuration, and ultraviolet (UV) radiometers built with SiC detectors in an integrating sphere, have been calibrated and their absolute responsivity at the He-Cd laser UV line has been determined with respect to an absolute cryogenic radiometer.
机译:设计了一种设施,可以在230 nm至400 nm的光谱范围内对紫外线进行各种检测器表征。该设备可以测量He-Cd激光或单色仪和Xe放电灯照射的不同探测器的空间均匀性,线性和光谱响应度。通过这种技术,已经校准了一组Si光电二极管,处于陷阱结构的Si检测器以及在积分球中内置SiC检测器的紫外(UV)辐射计,并确定了它们在He-Cd激光UV线上的绝对响应度。关于绝对低温辐射计。

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