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Please use this identifier to cite or link to this item: http://hdl.handle.net/2014/39943

Title: THz instrumentation for the Herschel space observatory's heterodyne instrument for far infrared
Authors: Pearson, J. C.
Mehdi, I.
Ward, J. S.
Maiwald, F.
Ferber, R. R.
Leduc, H. G.
Schlecht, E. T.
Gill, J. J.
Hatch, W. A.
Kawamura, J. H.
Stern, J. A.
Gaier, T. C.
Samoska, L. A.
Weinreb, S.
Bumble, B.
Pukala, D. M.
Javadi, H. H.
Finamore, B. P.
Lin, R. H.
Dengler, R. J.
Velebir, J. R.
Luon, E. M.
Tsan, R.
Peralta, A .
Wells, M.
Chun, W.
Zmuidzinas, J.
Karpov., A.
Phillips, T. G.
Miller, D.
Maestrinia, A. E.
Erickson, N.
Swift, G.
Liao, K. T.
Paquette, M.
Keywords: THz receivers
local oscillators
sources
Issue Date: 24-Jun-2004
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004.
Citation: Astronomical Telescopes and Instrumentation, Glasgow, Scotland, June 21-25, 2004.
Abstract: he Heterodyne Instrument for Far Infrared (HIFI) on ESA's Herschel Space Observatory utilizes a variety of novel RF components in its five SIS receiver channels covering 480- 1250 GHz and two HEB receiver channels covering 1410- 1910 GHz. The local oscillator unit will be passively cooled while the focal plane unit is cooled by superfluid helium and cold helium vapors. HIFI employs W-band GaAs amplifiers, InP HEMT low noise IF amplifiers, fixed tuned broadband planar diode multipliers, high power W-bapd Isolators, and novel material systems in the SIS mixers. The National Aeronautics and Space Administration through the Jet Propulsion Laboratory is managing the development of the highest frequency (1 119-1250 GHz) SIS mixers, the local oscillators oscillators for the three highest frequency receivers as well as W-band power amplifiers, high power W-band isolators, varactor diode devices for all high frequency multipliers and InP HEMT components for all the receiver channels intermediate frequency amplifiers. The NASA developed components represent a significant advancement in the available performance. This paper presents an update of the performance and the current state of development.
URI: http://hdl.handle.net/2014/39943
Appears in Collections:JPL TRS 1992+

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