Measurements of submillimeter polarization induced by oblique reflection from aluminum alloy

Tom Renbarger, Jessie L. Dotson, Giles Novak

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We have measured the linear polarization induced in a beam of submillimeter radiation when it is obliquely reflected by a flat mirror made of aluminum alloy. For angles of incidence in the range 15-45, we measured induced polarizations in the range 0.05%-0.25%. Our measurements are within a factor of 2 of theoretical predictions. We conclude that astronomical telescopes that incorporate oblique reflections from good conductors will not introduce spurious polarizations large enough to cause significant problems for submillimeter polarimetric observations.

Original languageEnglish (US)
Pages (from-to)6643-6647
Number of pages5
JournalApplied optics
Volume37
Issue number28
DOIs
StatePublished - Oct 1 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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