Recent experiments conducted with the Wide-field imaging interferometry testbed (WIIT)
Recent experiments conducted with the Wide-field imaging interferometry testbed (WIIT)
复制标题
最近使用宽视场成像干涉测量测试台 (WIIT) 进行的实验
DOI：
10.1117/12.2231789
复制
发表时间：
2016
期刊：
影响因子：
1.9
通讯作者：
S. Rinehart
中科院分区：
文献类型：
--
作者：
D. Leisawitz;R. Juanola;M. Bolcar;J. Fienup;Alexander S. Iacchetta;S. Maher;S. Rinehart
宽视场成像干涉测量测试平台（WIIT）是由美国宇航局戈达德太空飞行中心开发的，用于演示和探索宽视场“双傅立叶”（空间光谱）干涉测量固有的实际局限性。该试验台提供高质量的干涉测量数据，能够观测空间和光谱复杂的高光谱测试场景。虽然WIIT在可见光波段工作，但根据设计，这些数据代表了来自天基远红外天文台的数据。我们使用WIIT观察了一个经过校准的、独立表征的测试场景，该场景具有适度的空间和光谱复杂性，以及一个具有更大空间和光谱复杂性的天文真实测试场景。本文介绍了实验装置，总结了试验台的性能，并给出了具有代表性的数据。
The Wide-field Imaging Interferometry Testbed (WIIT) was developed at NASA’s Goddard Space Flight Center to demonstrate and explore the practical limitations inherent in wide field-of-view “double Fourier” (spatio-spectral) interferometry. The testbed delivers high-quality interferometric data and is capable of observing spatially and spectrally complex hyperspectral test scenes. Although WIIT operates at visible wavelengths, by design the data are representative of those from a space-based far-infrared observatory. We used WIIT to observe a calibrated, independently characterized test scene of modest spatial and spectral complexity, and an astronomically realistic test scene of much greater spatial and spectral complexity. This paper describes the experimental setup, summarizes the performance of the testbed, and presents representative data.