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23 September 2009 An IFU for diffraction-limited 3D spectroscopic imaging: laboratory and on-site tests
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Abstract
We have developed a state-of-the-art image slicer Integral Field Unit (IFU) for the McMath-Pierce Solar Telescope (McMP) located at Kitt Peak National Solar Observatory. The IFU will be used for high-resolution 3-dimensional spectroscopy and polarimetry over a small field of view that is well corrected by adaptive optics. It consists of 19 effective slices that correspond to a field of view of 6.27"x 7". The IFU delivers a 152" long slit to an existing spectrograph producing diffraction-limited 3-dimensional spectroscopy. The 3-D instrument is being used for highspatial and high-temporal resolution imaging of the Sun, which is crucial for the magnetic field and spectroscopic studies of 2-dimensional solar fine structures. We discuss the instrument construction, laboratory test and on-site trial observations with the McMP.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Deqing Ren, Christoph Keller, and Claude Plymate "An IFU for diffraction-limited 3D spectroscopic imaging: laboratory and on-site tests", Proc. SPIE 7438, Solar Physics and Space Weather Instrumentation III, 743818 (23 September 2009); https://doi.org/10.1117/12.824460
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