Development of the wide-field IFU PPak

Andreas Kelz; Marc Verheijen; Martin M. Roth; Uwe Laux; Svend-Marian Bauer

doi:10.1117/12.551990

30 September 2004 Development of the wide-field IFU PPak

Andreas Kelz, Marc Verheijen, Martin M. Roth, Uwe Laux, Svend-Marian Bauer

Proceedings Volume 5492, Ground-based Instrumentation for Astronomy; (2004) https://doi.org/10.1117/12.551990
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

PPak is a new fiber-bundle, developed at the Astrophysical Institute Potsdam for the existing PMAS 3D-instrument. The intention of PPak is to provide a large integral field-of-view in combination with a large collecting area per fiber for the study of extended low-surface brightness objects. The PPak system consists of a focal reducer lens and a fiber bundle, featuring an innovative design with object, sky and calibration fibers. With a field-of-view of 74 x 65 arcseconds, PPak currently is the world's widest integral field unit that provides a semi-contiguous regular sampling of extended astronomical objects. Its pre-optics and fiber-diameter, combined with the versatility and efficiency of the PMAS spectrograph, allows PPak to make a unique trade-off between total light-collecting power and spectral resolution.

Citation Download Citation

Andreas Kelz, Marc Verheijen, Martin M. Roth, Uwe Laux, and Svend-Marian Bauer "Development of the wide-field IFU PPak", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); https://doi.org/10.1117/12.551990

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