摘要
为匹配红外空间载荷低温光学镜头的光学性能,降低背景噪声,实现载荷高精度星上定标,研制了一种基于制冷机主动制冷的深低温星上定标黑体源装置(低温100 K工作),该星载黑体源装置由面黑体辐射体、低温制冷机主动制冷系统、冷量传输热管及精密测控温系统组成,通过载荷级真空辐射定标实验校验,最终实现红外遥感器对星上定标黑体源宽光谱(2~16μm)、高发射率(0.987)、深低温(100 K)的高精度定标源需求。该深低温星上定标黑体源可用于对极远极冷极弱目标探测的红外载荷星上辐射定标,其高精度、低功耗、通用性的工程化设计方法,为后续相关研究及推广提供技术支撑。
In order to match the optical performance of low⁃temperature optical lenses of infrared space payloads,reduce background noise,and achieve high⁃precision on⁃board calibration of payloads,a deep⁃low temperature on⁃board calibration blackbody source device based on active refrigeration(operating at a low temperature of 100 K)was proposed.The spaceborne blackbody source device is composed of a face⁃blackbody radiator,an active refrigeration system of a low temperature chiller,a heat pipe of cooling capacity transmission,and a precise temperature measurement and control system.It was verified through vacuum radiation calibration experiment that the requirements of infrared remote sensors for the on⁃board calibration blackbody source:wide spectrum(2~16μm),high emissivity(0.987)and deep low temperature(100 K)were achieved.The blackbody source for calibration on a cryogenic satellite can be used for on⁃board radiation calibration of infrared payloads for the detection of extremely distant,extremely cold and weak targets.The high precision,low power consumption and universal engineering design method of the calibration source provides technical support for subsequent related research and promotion.
作者
董惠文
练敏隆
马思宇
李洋
裴景洋
于志
凤晓华
DONG Huiwen;LIAN Minlong;MA Siyu;LI Yang;PEI Jingyang;YYU Zhi;FENG Xiaohua(Beijing Institute of Space Mechanical and Electrical Engineering,Beijing 100094,China;Ningbo Institute of Materials Technology&Engineering,Chinese Academy of Sciences,Ningbo 315201,China)
出处
《计测技术》
2023年第6期67-75,共9页
Metrology & Measurement Technology
基金
国家重点研发计划资助项目(2020YFC2200201)。
关键词
深低温
星上定标黑体
真空辐射定标
deep cryogenic temperature
onboard calibration blackbody source
vacuum radiation calibration
