Spinor: Visible and Infrared Spectro-Polarimetry at the National Solar Observatory

The Spectro-Polarimeter for Infrared and Optical Regions (SPINOR) is a new spectro-polarimeter that will serve as a facility instrument for the Dunn Solar Telescope at the National Solar Observatory. This instrument is capable of achromatic polarimetry over a very broad range of wavelengths, from 430 to 1600 nm, allowing for the simultaneous observation of several visible and infrared spectral regions with full Stokes polarimetry. Another key feature of the design is its flexibility to observe virtually any combination of spectral lines, limited only by practical considerations (e.g., the number of detectors available, space on the optical bench, etc.).

[1]  Andrew Skumanich,et al.  The Calibration of the Advanced Stokes Polarimeter , 1997 .

[2]  Haosheng Lin,et al.  The Granular Magnetic Fields of the Quiet Sun , 1999 .

[3]  V. Pillet,et al.  Evidence for supersonic downflows in the photosphere of a delta-sunspot , 1994 .

[4]  H. Socas-Navarro,et al.  Magnetic Properties of Photospheric Regions with Very Low Magnetic Flux , 2001, astro-ph/0110025.

[5]  J. C. del Toro Iniesta,et al.  Cold, Supersonic Evershed Downflows in a Sunspot , 2001 .

[6]  Andreas Lagg,et al.  Quiet-Sun inter-network magnetic fields observed in the infrared , 2003 .

[7]  A. López Ariste,et al.  Inference of Solar Magnetic Field Parameters from Data with Limited Wavelength Sampling , 2002 .

[8]  Steven Tomczyk,et al.  Hyperfine Structure as a Diagnostic of Solar Magnetic Fields , 2002 .

[9]  Christoph U. Keller,et al.  Advanced Technology Solar Telescope , 2002 .

[10]  Haosheng Lin,et al.  On the Distribution of the Solar Magnetic Fields , 1995 .

[11]  H. Socas-Navarro,et al.  Magnetic Fields in the Quiet Sun: Observational Discrepancies and Unresolved Structure , 2003 .

[12]  Thomas R. Rimmele,et al.  Solar Adaptive Optics , 2000, Astronomical Telescopes and Instrumentation.

[13]  Thomas R. Rimmele,et al.  Advanced Technology Solar Telescope , 2001 .

[14]  H. Socas-Navarro,et al.  A Time-dependent Semiempirical Model of the Chromospheric Umbral Oscillation , 2001 .

[15]  B. R. Cobo,et al.  Non-LTE Inversion of Line Profiles , 1998 .

[16]  Penumbral fine structure: Theoretical understanding , 2002 .

[17]  B. R. Cobo,et al.  Anomalous Circular Polarization Profiles in Sunspot Chromospheres , 2000 .

[18]  Christoph U. Keller,et al.  SOLIS: a modern facility for synoptic solar observations , 1996, Astronomical Telescopes and Instrumentation.

[19]  C. Beck,et al.  POLIS: A spectropolarimeter for the VTT and for GREGOR , 2003 .

[20]  J. Bonet,et al.  The Spectrum of Fluctuations across Penumbral Filaments , 1998 .

[21]  M. Sigwarth,et al.  Diffraction-limited spectropolarimeter: Phase I , 2003, SPIE Astronomical Telescopes + Instrumentation.

[22]  B. Krauskopf,et al.  Proc of SPIE , 2003 .

[23]  Socas-Navarro,et al.  Anomalous polarization profiles in sunspots: possible origin of umbral flashes , 2000, Science.

[24]  B. R. Cobo,et al.  Non-LTE Inversion of Stokes Profiles Induced by the Zeeman Effect , 2000 .