Two New Multichannel Astronomical Polarimeters

Ian S McLean

doi:10.1117/12.966190

9 January 1984 Two New Multichannel Astronomical Polarimeters

Ian S McLean

Proceedings Volume 0445, Instrumentation in Astronomy V; (1984) https://doi.org/10.1117/12.966190
Event: 1983 Astronomy Conferences, 1983, London, United Kingdom

Abstract

Optical and near infrared spectropolarimetry and imaging polarimetry has recently received considerable attention. A major contributing factor to this renewed interest has been the successful coupling of polarimeters to multi-element detector arrays enabling many spectral and spatial elements to be observed simultaneously. The latest techniques are briefly reviewed and two new polarimeter systems, developed at the Royal Observatory Edinburgh, are described in detail. One system employs a charge coupled device (CCD) and the other uses an image photon counting (Boksenberg) detector. The latter instrument is now in common use at the Anglo-Australian Telescope. Both instruments are computer-controlled and provide on-line data analysis and display. Their performance is illus-trated with recent astronomical data.

Citation Download Citation

Ian S McLean "Two New Multichannel Astronomical Polarimeters", Proc. SPIE 0445, Instrumentation in Astronomy V, (9 January 1984); https://doi.org/10.1117/12.966190

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