Adaptive optics systems for HARMONI: a visible and near-infrared integral field spectrograph for the E-ELT

Thierry Fusco; Niranjan Thatte; Serge Meimon; Matthias Tecza; Fraser Clarke; Mark Swinbank

doi:10.1117/12.857507

27 July 2010 Adaptive optics systems for HARMONI: a visible and near-infrared integral field spectrograph for the E-ELT

Thierry Fusco, Niranjan Thatte, Serge Meimon, Matthias Tecza, Fraser Clarke, Mark Swinbank

Proceedings Volume 7736, Adaptive Optics Systems II; 773633 (2010) https://doi.org/10.1117/12.857507
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

HARMONI is a visible and near-infrared integral field spectrograph for the E-ELT. It needs to work at diffraction limited scales. This will be possible thanks to two adaptive optics systems, complementary to each other. Both systems will make use of the telescope's adaptive M4 and M5 mirrors. The first one is a simple but efficient Single Conjugate AO system (good performance, low sky coverage), fully integrated in HARMONI itself. The second one is a Laser Tomographic AO system (medium performance, very good sky coverage). We present the overall design of the SCAO system and discuss the complementary between SCAO and LTAO for HARMONI.

Citation Download Citation

Thierry Fusco, Niranjan Thatte, Serge Meimon, Matthias Tecza, Fraser Clarke, and Mark Swinbank "Adaptive optics systems for HARMONI: a visible and near-infrared integral field spectrograph for the E-ELT", Proc. SPIE 7736, Adaptive Optics Systems II, 773633 (27 July 2010); https://doi.org/10.1117/12.857507

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