Hertz: An imaging polarimeter

Roger H. Hildebrand, Jessie L. Dotson, Charles D. Dowell, Giles Novak, David A. Schleuning, J. Vaillancourt

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


The University of Chicago polarimeter, Hertz, is designed for observations at the Caltech Submillimeter Observatory in the 350 micrometer atmospheric window. Initial observations with this instrument, the first array polarimeter for submillimeter observations, have produced over 700 measurements at 3(sigma) or better. This paper summarizes the characteristics of the instrument, presents examples of its performance including polarization maps of molecular clouds and regions near the Galactic center, and outlines the opportunities for improvements with emphasis on requirements for mapping widely extended sources.

Original languageEnglish (US)
Pages (from-to)289-296
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1998
EventAdvanced Technology MMW, Radio, and Terahertz Telescopes - Kona, HI, United States
Duration: Mar 26 1998Mar 26 1998


  • Dust emission
  • Far-infrared
  • Interstellar medium
  • Magnetic fields
  • Polarimeter
  • Submillimeter

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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