Planck-HFI focal plane concept

B Maffei,P A R Ade,J J Bock,J Brossard,E Gleeson, Jeanmichael Lamarre,A E Lange,Y Longval,J A Murphy,Giampaolo Pisano,Jeanloup Puget,I Ristorcelli,R Sudiwala,V B Yurchenko

Proceedings of SPIE（2004）

Cited 3|Views26

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Abstract

The future ESA space mission Planck Surveyor mission will measure the Cosmic Microwave Background temperature and polarisation anisotropies in a frequency domain comprised between 30GHz and 1THz. On board two instruments, LFI based on HEMT technology and HFI using bolometric detectors. We present the optical solutions adopted for this mission, in particular the focal plane design of HFI, concept which has been applied already to other instruments such as the balloon borne experiment Archeops.

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Key words

experiments,bolometers,corrugated feedhorns,cold optics

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