SALT/PFIS Observer's Guide

SALT/PFIS Observer's Guide

3. Observing Modes

PFIS has three main instrument configurations. These enable three basic observing modes: Imaging, Grating Spectroscopy, and Fabry-Perot Imaging Spectroscopy. Additionally, PFIS employs polarization optics allowing for each of these observing modes to have a polarimetric sub-mode.

3.1 Imaging

3.2 Grating Spectroscopy 3.2.1 Grating Complement 3.2.2 Longslit Complement 3.2.3 Order-Blocking Filters 3.2.4 Multi-Object Spectroscopy 3.2.5 Spectropolarimetry

3.3 Fabry-Perot Imaging Spectroscopy 3.3.1 Etalons 3.3.2 Efficiency

3.4 Polarimetry 3.4.1 Waveplate Modes 3.4.2 Efficiency

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