The 4K Reference Load for the Planck Low Frequency Instrument

Details The 4K Reference Load for the Planck Low Frequency Instrument The 4K Reference Load for the Planck Low Frequency Instrument

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..616..219v&link_type=abstract

EXPERIMENTAL COSMOLOGY AT MILLIMETRE WAVELENGTHS: 2K1BC Workshop. Breuil-Cervinia, Valle d'Aosta, Italy, 9-13 July, 2001. Edit

Physics

1

Radio Telescopes And Instrumentation, Heterodyne Receivers, Spaceborne And Space Research Instruments, Apparatus, And Components, Submillimeter

Scientific paper

The Low Frequency Instrument (LFI) on-board the Planck satellite, is composed by an array of 54 receivers. They follow a pseudo-correlation scheme, continuously observing the sky and a stable reference load, at a temperature T~4 K. The so-called 4 K Reference Load is made of 54 small absorbing targets, mechanically and thermally connected to the High Frequency Instrument (HFI) cryostat. The 4K Reference Load requirements pose severe limits to its mass, dimensions, power dissipation and performance. .

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