Design of a cryogenic test facility for evaluating the performance of interferometric components of the SPICA/SAFARI instrument

被引：1

作者：

Veenendaal, Ian T. ^{[1
]}

Naylor, David A. ^{[1
]}

Gom, Brad G. ^{[1
]}

机构：

[1] Univ Lethbridge, Inst Space Imaging Sci, Dept Phys & Astron, Lethbridge, AB T1K 3M4, Canada

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2014: OPTICAL, INFRARED, AND MILLIMETER WAVE | 2014年 / 9143卷

关键词：

SPICA; SAFARI; test cryostat; Fourier transform spectrometer; characterization; ESA;

D O I：

10.1117/12.2055195

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Japanese SPace Infrared telescope for Cosmology and Astrophysics (SPICA), a 3 m class telescope cooled to similar to 6 K, will provide extremely low thermal background far-infrared observations. An imaging Fourier transform spectrometer (SAFARI) is being developed to exploit the low background provided by SPICA. Evaluating the performance of the interferometer translation stage and key optical components requires a cryogenic test facility. In this paper we discuss the design challenges of a pulse tube cooled cryogenic test facility that is under development for this purpose. We present the design of the cryostat and preliminary results from component characterization and external optical metrology.

引用

页数：7

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