New generation multichannel subtractive double pass for EST imaging spectropolarimetry

Frédéric Sayède; Pierre Mein; Jean-Philippe Amans; Jacques Moity

doi:10.1117/12.856748

20 July 2010 New generation multichannel subtractive double pass for EST imaging spectropolarimetry

Frédéric Sayède, Pierre Mein, Jean-Philippe Amans, Jacques Moity

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77357N (2010) https://doi.org/10.1117/12.856748
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

Any future solar telescope project should incorporate an imaging spectrometer. For the future EST (European Solar Telescope) the Observatoire de Paris offers an imaging spectro-porarimetry instrument: a new generation of MSDP. To validate this new generation, we develop a beam slicer prototype that will be tested and validated on optical bench and on existing telescopes. The study assesses the performance gain of such an instrument on a solar 4m class telescope. We present opto-mechanical solutions of a new beam splitter and its implementation in EST.

Citation Download Citation

Frédéric Sayède, Pierre Mein, Jean-Philippe Amans, and Jacques Moity "New generation multichannel subtractive double pass for EST imaging spectropolarimetry", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77357N (20 July 2010); https://doi.org/10.1117/12.856748

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