학술논문
Opto-mechanical designs for the HARMONI Adaptive Optics systems
Document Type
Working Paper
Author
Dohlen, Kjetil; Morris, Timothy; Lopez, Javier Piqueras; Calcines-Rosario, Ariadna; Costille, Anne; Dubbeldam, Marc; Hadi, Kacem El; Fusco, Thierry; Llored, Marc; Neichel, Benoit; Pascal, Sandrine; Sauvage, Jean-Francois; Vola, Pascal; Clarke, Fraser; Schnetler, Hermine; Bryson, Ian; Thatte, Niranjan
Source
SPIE Astronomical Telescopes and Instrumenttion, Austin 2018, Tracking No. AS18-AS106-189
Subject
Language
Abstract
HARMONI is a visible and near-infrared integral field spectrograph equipped with two complementary adaptive optics systems, fully integrated within the instrument. A Single Conjugate AO (SCAO) system offers high performance for a limited sky coverage and a Laser Tomographic AO (LTAO) system provides AO correction with a very high sky-coverage. While the deformable mirror performing real-time correction of the atmospheric disturbances is located within the telescope itself, the instrument contains a suite of state-of-the-art and innovative wavefront sensor systems. Laser guide star sensors (LGSS) are located at the entrance of the instrument and fed by a dichroic beam splitter, while the various natural guide star sensors for LTAO and SCAO are located close to the science focal plane. We present opto-mechanical architecture and design at PDR level for these wavefront sensor systems.
Comment: 11 pages, 13 figures, conference
Comment: 11 pages, 13 figures, conference