Far-infrared interferometer technology development: a progress report

Mark R. Swain; Philip J. Dumont; Peter R. Lawson; James D. Moore; Robert F. Smythe; Christopher K. Walker; Christian Y. Drouet d'Aubigny

doi:10.1117/12.460733

26 February 2003 Far-infrared interferometry technology development: a progress report

Mark R. Swain, Philip J. Dumont, Peter R. Lawson, James D. Moore, Robert F. Smythe, Christopher K. Walker, Christian Y. Drouet d'Aubigny

Author Affiliations +

Proceedings Volume 4852, Interferometry in Space; (2003) https://doi.org/10.1117/12.460733
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We report on the progress in developing cryogenic delay lines and integrated optics components. These are some of the critical components needed to enable far-IR direct-detection interferometers. To achieve background-limited performance in the 40 to 400 μm region, th einterferometer optics and delay lines must be cooeld to near liquid Helium temperatures. Our cryogenic delay line designs incorporate a number of novel features and has been operated at liquid nitrogen temperatures. Our integrated optics effort has focued on producing single-mode spatial filters and beam combiners.

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Mark R. Swain, Philip J. Dumont, Peter R. Lawson, James D. Moore, Robert F. Smythe, Christopher K. Walker, and Christian Y. Drouet d'Aubigny "Far-infrared interferometry technology development: a progress report", Proc. SPIE 4852, Interferometry in Space, (26 February 2003); https://doi.org/10.1117/12.460733

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