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A. Pastor Yabar on Muck Rack

A. Pastor Yabar

As seen in: Astronomy and Astrophysics (A&A)
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Articles

Polarimetric characterization of segmented mirrors

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By A. Ramos, M. Collados, A. Pastor Yabar, R. Manso Sainz
| optica.org
Abstract We study the impact of the loss of axial symmetry around the optical axis on the polarimetric properties of a telescope with a segmented primary mirror when each segment is present in a different aging stage. The different oxidation stage of each segment as it is substituted in time leads to nonnegligible cross-talk terms. This effect is wavelength dependent, and it is mainly determined by the properties of the reflecting material.
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