Focal plane chopper for the PACS instrument aboard the far-infrared space telescope FIRST

Dietrich Lemke; Ulrich Groezinger; Oliver Krause; Ralf-Rainer Rohloff; Ruediger Haberland

doi:10.1117/12.372697

6 December 1999 Focal plane chopper for the PACS instrument aboard the far-infrared space telescope FIRST

Dietrich Lemke, Ulrich Groezinger, Oliver Krause, Ralf-Rainer Rohloff, Ruediger Haberland

Proceedings Volume 3759, Infrared Spaceborne Remote Sensing VII; (1999) https://doi.org/10.1117/12.372697
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The array camera and spectrometer PACS to be flown aboard the European 3.5 m infrared space telescope FIRST will apply a cold focal plane chopper. Its development has to meet ambitious goals, such as large chopper throws, high operational accuracy in several modes, very low heat dissipation in the cryogenic environment, sufficient rigidity to meet the ARIANE5 launch conditions and a long lifetime thereafter. The prototype development of such a chopper and test results under cryovacuum conditions are reported here.

Citation Download Citation

Dietrich Lemke, Ulrich Groezinger, Oliver Krause, Ralf-Rainer Rohloff, and Ruediger Haberland "Focal plane chopper for the PACS instrument aboard the far-infrared space telescope FIRST", Proc. SPIE 3759, Infrared Spaceborne Remote Sensing VII, (6 December 1999); https://doi.org/10.1117/12.372697

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