Opto-mechanical designs for the HARMONI adaptive optics systems

Opto-mechanical designs for the HARMONI adaptive optics systems
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HARMONI 自适应光学系统的光机设计

DOI:
10.1117/12.2313651
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发表时间:
2018
期刊:
--
影响因子:
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通讯作者:
Dubbeldam M
Dubbeldam M
中科院分区:
--
文献类型:
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作者:
Dubbeldam M

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Harmoni是一种可见光和近红外整体场光谱仪,配备了两个互补的自适应光学系统,完全集成在仪器中。单共轭声光(SCAO)系统在有限的天空覆盖范围内提供高性能,而激光层析声光(LTAO)系统提供非常高的天空覆盖率的声光校正。虽然执行大气扰动实时校正的可变形反射镜位于望远镜本身,但该仪器包含一套最先进和创新的波前传感器系统。激光导星传感器(LGSS)位于仪器的入口处,由二色性分束器馈电,而LTAO和SCAO的各种天然导星传感器则位于科学焦平面附近。我们给出了这些波前传感器系统的光机械结构和PDR级的设计。
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.
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影响因子: 1.9
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