Double-wedged Wollaston-type polarimeter design and integration to RTT150-TFOSC; initial tests, calibration, and characteristics

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• 作者：S. Helhel ; I. Khamitov ; G. Kahya ; C. Bayar ; S. Kaynar ; R. Gumerov
• 关键词：WeDoWo ; Polarimeter ; RTT150 ; TFOSC ; WP ; TUG ; Imaging polarimetry
• 刊名：Experimental Astronomy
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：39
• 期：3
• 页码：595-604
• 全文大小：1,048 KB
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  8.Helhel, S., Kahya, G., Khamitov, I., Bayar, C. Design of TFOSC Compatible Polarimeter for Polarimetric Observations, Progress in Electromagnetics Research Symposium Proceedings, Guangzhou, China, Aug. 25-8 (2014)
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• 作者单位：S. Helhel (1)
  I. Khamitov (2) (3)
  G. Kahya (1) (2)
  C. Bayar (2)
  S. Kaynar (2)
  R. Gumerov (3)
  
  1. Engineering Faculty, Department of Electrical and Electronics Engineering, Akdeniz University, 07058, Konyaalt?/Antalya, Turkey
  2. TüB?TAK National Observatory, Akdeniz University Campus, 07058, Antalya, Turkey
  3. Kazan Federal University, Kremlevskaya 18, Kazan, 420008, Tatarstan, Russia
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Astronomy
  Statistics for Engineering, Physics, Computer Science, Chemistry and Geosciences
  
• 出版者：Springer Netherlands
• ISSN：1572-9508

文摘

Photometric and spectroscopic observation capabilities of 1.5-m Russian–Turkish Telescope RTT150 has been broadened with the integration of presented polarimeter. The well-known double-wedged Wollaston-type dual-beam technique was preferred and applied to design and produce it. The designed polarimeter was integrated into the telescope detector TFOSC, and called TFOSC-WP. Its capabilities and limitations were attempted to be determined by a number of observation sets. Non-polarized and strongly polarized stars were observed to determine its limitations as well as its linearity. An instrumental intrinsic polarization was determined for the 1 × 5 arcmin field of view in equatorial coordinate system, the systematic error of polarization degree as 0.2 %, and position angle as 1.9?/sup>. These limitations and capabilities are denoted as good enough to satisfy telescopes-present and future astrophysical space missions related to GAIA and SRG projects. Keywords WeDoWo Polarimeter RTT150 TFOSC-WP TUG Imaging polarimetry