An Ultra-High-Speed Stokes Polarimeter forAstronomy

Redfern, R. M.; Collins, Patrick P.

doi:10.1007/978-1-4020-6518-7_11

Cited by 2 publications

(2 citation statements)

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“…The polarization measurements play very important role in the astronomy and astronomies has been contributed to the creation of the instruments and devices for polarizing experiments [14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

The Polar Decomposition And Vector Parametrization Of The Mueller Matrices

Длугунович¹,

Kurochkin²,

Ruffini³

et al. 2010

AIP Conference Proceedings

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Abstract. It was demonstrated that presentation of the coherent matrix (polarization density matrix) of the electromagnetic beams as biquaternion corresponding to the four-vector of the pseudo Euclidean space with intensity and Stokes parameters as components gives the possibility for introducing of the group transformations of such values isomorphic to the S(3.1) group. These transformations are the subset of the set of polarization Mueller matrices creating algebraic structure of semigroup. Reduction of the semigroup of Mueller matrices to the group of transformations make it possible to use the vector parameterization of transformations of the group SO(3.1) for interpretation of polar decomposition of the Mueller matrices. In this approach in particular the elements of Mueller matrices corresponding to retarders and polarizers are more simple and natural connected with there eigenpolarizations.

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Section: Introductionmentioning

confidence: 99%

The Polar Decomposition And Vector Parametrization Of The Mueller Matrices

Длугунович¹,

Kurochkin²,

Ruffini³

et al. 2010

AIP Conference Proceedings

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show abstract

“…The Crab Pulsar's powerful magnetic field also means that the pulsed light should be highly polarised, the details of which can provide important physical constraints, particularly during the extreme 'giant radio pulses' (Shearer et al, 2003) that are seen from the Crab and have structure on timescales of nanoseconds. Indeed, only the Crab is bright enough for ultra-high-speed polarimetry, and GASP, the Galway Astronomical Stokes Polarimeter, has been designed specifically with this object in mind, although there are limitations to what polarisation measurements are possible on such timescales, as discussed by Redfern and Collins (2008). In GASP (see Figure 2.11), the incoming light beam is divided through the modified Fresnel rhomb and subsequent Wollaston prisms into four output beams, the intensities of which are linearly related to the Stokes parameters (Collins et al, 2013).…”

Section: -D Time-series or Single-aperture Photometry?mentioning

confidence: 99%

HTRA Instrumentation I

High Time-Resolution Astrophysics

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The range in wavelength and time resolution of current instrumentation for carrying out astrophysical studies has increased dramatically over the last five decades. Here I will give a brief historical review of time-domain astronomy, followed by a summary of the facilities available now from X-ray to near-infrared wavelengths. I will then give a glimpse of various remarkable technologies under development for the next generation of groundand space-based observatories that will take such studies to unprecedented levels.

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An Ultra-High-Speed Stokes Polarimeter forAstronomy

Cited by 2 publications

References 31 publications

The Polar Decomposition And Vector Parametrization Of The Mueller Matrices

The Polar Decomposition And Vector Parametrization Of The Mueller Matrices

HTRA Instrumentation I

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