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Imaging Stars by Performing Full-Stokes Optical Interferometric Polarimetry
Nicholas M. Elias II,Stanislav S. Edel,Carol E. Jones,Frances E. Mackay,David Mozurkewich,Anders M. Jorgensen,Henrique R. Schmitt 한국우주과학회 2012 Journal of Astronomy and Space Sciences Vol.29 No.1
Optical interferometry and polarimetry have separately provided new insights into stellar astronomy, especially in thefields of fundamental parameters and atmospheric models. We present: scientific justifications for “full-Stokes” opticalinterferometric polarimetry (OIP); updated instrument requirements; preliminary beam combiner designs; polarimeterdesign; end-to-end OIP data reduction; and realistic reimaged full-Stokes models of Be stars with a suitable number oftelescopes plus noise sources. All of this work represents preliminary research to construct an OIP beam combiner.
Imaging Stars by Performing Full-Stokes Optical Interferometric Polarimetry
Elias, Nicholas M. II,Edel, Stanislav S.,Jones, Carol E.,Mackay, Frances E.,Mozurkewich, David,Jorgensen, Anders M.,Schmitt, Henrique R. The Korean Space Science Society 2012 Journal of Astronomy and Space Sciences Vol.29 No.1
Optical interferometry and polarimetry have separately provided new insights into stellar astronomy, especially in the fields of fundamental parameters and atmospheric models. We present: scientific justifications for "full-Stokes" optical interferometric polarimetry (OIP); updated instrument requirements; preliminary beam combiner designs; polarimeter design; end-to-end OIP data reduction; and realistic reimaged full-Stokes models of Be stars with a suitable number of telescopes plus noise sources. All of this work represents preliminary research to construct an OIP beam combiner.
Koch, Robert H.,Wolf, George W.,Hull, Anthony B.,Elias, Nicholas M. II,Holenstein, Bruce D.,Mitchell, Richard J. 한국우주과학회 2012 Journal of Astronomy and Space Sciences Vol.29 No.1
This report describes the inception, development and extensive use over 30 years of elliptical polarimeters at the Uni\-versity of Pennsylvania. The initial Mark I polarimeter design utilized oriented retarder plates and a calcite Foster-Clarke prism as the analyzer. The Mark I polarimeter was used on the Kitt Peak 0.9 m in 1969-70 to accomplish a survey of ap\-proximately 70 objects before the device was relocated to the 0.72 m reflector at the Flower and Cook Observatory. Suc\-cessive generations of automation and improvements included the early-80’s optical redesign to utilize a photoelastic modulated wave plate and an Ithaco lock-in amplifier-the photoelastic modulating polarimeter. The final design in 2000 concluded with a fully remote operable device. The legacy of the polarimetric programs includes studies of close binaries, pulsating hot stars, and luminous late-type variables.
Robert H. Koch,George W. Wolf,Anthony B. Hull,Nicholas M. Elias II,Bruce D. Holenstei,Richard J. Mitchell 한국우주과학회 2012 Journal of Astronomy and Space Sciences Vol.29 No.1
This report describes the inception, development and extensive use over 30 years of elliptical polarimeters at the University of Pennsylvania. The initial Mark I polarimeter design utilized oriented retarder plates and a calcite Foster-Clarke prism as the analyzer. The Mark I polarimeter was used on the Kitt Peak 0.9 m in 1969-70 to accomplish a survey of approximately 70 objects before the device was relocated to the 0.72 m reflector at the Flower and Cook Observatory. Successive generations of automation and improvements included the early-80’s optical redesign to utilize a photoelastic modulated wave plate and an Ithaco lock-in amplifier–the photoelastic modulating polarimeter. The final design in 2000 concluded with a fully remote operable device. The legacy of the polarimetric programs includes studies of close binaries, pulsating hot stars, and luminous late-type variables.