The hertz/VPM polarimeter: Design and first light observations

Megan Krejny, David Chuss, Christian Drouet D'Aubigny, Dathon Golish, Martin Houde, Howard Hui, Craig Kulesa, Robert F. Loewenstein, S. Harvey Moseley, Giles Novak, George Voellmer, Christopher K Walker, Ed Wollack

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We present first results of Hertz/VPM, the first submillimeter polarimeter employing the dual Variable-delay Polarization Modulator (dual-VPM). This device differs from previously used polarization modulators in that it operates in translation, rather than mechanical rotation. We discuss the basic theory behind this device and its potential advantages over the commonly used half-wave plate. The dual-VPM was tested both at the Submillimeter Telescope Observatory and in the laboratory. In each case we present a detailed description of the setup. We discovered that properties of the VPM wire grids (diameter and spacing) caused behavior that differs from theoretical predictions for ideal wire grid performance. By modifying the polarimeter settings to compensate for this behavior, we found that the dual-VPM system is robust, operating with high efficiency and low instrumental polarization. This device is well suited for air- and space-borne applications.

Original languageEnglish (US)
Pages (from-to)4429-4440
Number of pages12
JournalApplied Optics
Volume47
Issue number24
DOIs
StatePublished - Aug 20 2008

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Polarimeters
polarimeters
Modulators
Polarization
modulators
polarization
grids
wire
Wire
Observatories
Telescopes
observatories
spacing
telescopes
air
Air
predictions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Krejny, M., Chuss, D., D'Aubigny, C. D., Golish, D., Houde, M., Hui, H., ... Wollack, E. (2008). The hertz/VPM polarimeter: Design and first light observations. Applied Optics, 47(24), 4429-4440. https://doi.org/10.1364/AO.47.004429

The hertz/VPM polarimeter : Design and first light observations. / Krejny, Megan; Chuss, David; D'Aubigny, Christian Drouet; Golish, Dathon; Houde, Martin; Hui, Howard; Kulesa, Craig; Loewenstein, Robert F.; Moseley, S. Harvey; Novak, Giles; Voellmer, George; Walker, Christopher K; Wollack, Ed.

In: Applied Optics, Vol. 47, No. 24, 20.08.2008, p. 4429-4440.

Research output: Contribution to journalArticle

Krejny, M, Chuss, D, D'Aubigny, CD, Golish, D, Houde, M, Hui, H, Kulesa, C, Loewenstein, RF, Moseley, SH, Novak, G, Voellmer, G, Walker, CK & Wollack, E 2008, 'The hertz/VPM polarimeter: Design and first light observations', Applied Optics, vol. 47, no. 24, pp. 4429-4440. https://doi.org/10.1364/AO.47.004429
Krejny M, Chuss D, D'Aubigny CD, Golish D, Houde M, Hui H et al. The hertz/VPM polarimeter: Design and first light observations. Applied Optics. 2008 Aug 20;47(24):4429-4440. https://doi.org/10.1364/AO.47.004429
Krejny, Megan ; Chuss, David ; D'Aubigny, Christian Drouet ; Golish, Dathon ; Houde, Martin ; Hui, Howard ; Kulesa, Craig ; Loewenstein, Robert F. ; Moseley, S. Harvey ; Novak, Giles ; Voellmer, George ; Walker, Christopher K ; Wollack, Ed. / The hertz/VPM polarimeter : Design and first light observations. In: Applied Optics. 2008 ; Vol. 47, No. 24. pp. 4429-4440.
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