Johannes Löhner-Böttcher

Dr. Johannes Löhner-Böttcher is a Postdoctoral Fellow in the High Altitude Observatory (HAO) of NCAR. His scientific research focuses on the systematic physical processes which dominate the lower solar atmosphere.

Removal of Spectro-Polarimetric Fringes by 2D PCA

Graph depicting the transformation of the PCA basis through a series of carefully chosen rotations
Monday, February 25, 2019

We investigate the application of 2-dimensional Principal Component Analysis (2D PCA) to the problem of removal of polarization fringes from spectro-polarimetric data sets.

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