Conceptual optical design of the infrared integral field spectropolarimeter for the European Solar Telescope

S. Regalado Olivares; M. J. Martínez González; C. Quintero Noda; M. Collados; R. López López; P. Gómez González

doi:10.1117/12.3018788

26 August 2024 Conceptual optical design of the infrared integral field spectropolarimeter for the European Solar Telescope

S. Regalado Olivares, M. J. Martínez González, C. Quintero Noda, M. Collados, R. López López, P. Gómez González

Author Affiliations +

Proceedings Volume 13100, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI; 131005F (2024) https://doi.org/10.1117/12.3018788
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The European Solar Telescope (EST), with its primary mirror of 4.2 diameter, will be the largest solar telescope available in Europe. EST will offer Integral Field Spectropolarimetry (IFS) by incorporating the EST spectropolariMeter Based on slicEr-mirrors for the near-infraRed (EMBER). This instrument is a high-resolution spectropolarimeter that allows for the analysis of a 2D field of view by using a slicer mirror-based Integral Field Unit (IFU) as input to the spectrograph. The slicer mirror, which is placed at the focal plane of the telescope, allows the observation of the integral field of view by slicing the entire field. After that, an optical system reorganizes the field of view and provides the spectrograph with an output slit composed of multiple slitlets. The spectrograph has a Czerny-Turner design and will cover the solar spectrum from 1 to 1.8 μm. Additionally, EMBER will offer spectropolarimetry observations with a dual-beam configuration. In this contribution, we present the conceptual optical design of the spectrograph and the IFU as a solution that meets the scientific requirements.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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S. Regalado Olivares, M. J. Martínez González, C. Quintero Noda, M. Collados, R. López López, and P. Gómez González "Conceptual optical design of the infrared integral field spectropolarimeter for the European Solar Telescope", Proc. SPIE 13100, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 131005F (26 August 2024); https://doi.org/10.1117/12.3018788

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