Bibcode
Álvarez-Herrero, A.; Belenguer, T.; Pastor, C.; Heredero, R. L.; Ramos, G.; Martínez Pillet, V.; Bonet Navarro, J. A.
Referencia bibliográfica
Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter. Edited by John C. Mather, Howard A. MacEwen, and Mattheus W. M. de Graauw. Proceedings of the SPIE, Volume 6265, pp. 62652G (2006).
Advertised on:
7
2006
Número de citas
0
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Descripción
The Imaging MAgnetograph eXperiment, IMaX, is one of the three postfocal
instruments of the Sunrise mission. The Sunrise project consists of a
stratospheric balloon with a 1 m aperture telescope, which will fly from
the Antarctica within the NASA Long Duration Balloon Program. IMaX
should work as a diffraction limited imager and it should be capable to
carry out polarization measurements and spectroscopic analysis with high
resolution (50.000-100.000 range). The spectral resolution required will
be achieved by using a LiNbO3 (z-cut) Fabry-Perot etalon in
double pass configuration as spectral filter. Up to our knowledge, few
works in the literature describe the associated problems of using these
devices in an imager instrument (roughness, off-normal incidence,
polarization sensitivity...). Because of that, an extensive and detailed
analysis of etalon has been carried out. Special attention has been
taken in order to determine the wavefront transmission error produced by
the imperfections of a real etalon in double pass configuration working
in collimated beam. Different theoretical models, numeric simulations
and experimental data are analysed and compared obtaining a complete
description of the etalon response.