天文用多离轴光纤发射阵列波导光栅

N. Cvetojevic, N. Jovanovic, J. Bland-Hawthorn, R. Haynes, J. Lawrence
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引用次数: 0

摘要

下一代主要的地面光学和近红外天文望远镜计划具有直径25-42米的口径,使它们比现有的望远镜大得多。这对看到有限的光谱仪器产生了重大影响,因为仪器的尺寸与传统设计的望远镜孔径成比例地增长,更重要的是,仪器的成本随着望远镜孔径的平方或更快地增加[1]。这种不可持续的趋势使天文设备小型化成为必要,集成光子学显示出巨大的希望。特别令人感兴趣的是集成光子光谱仪(IPS)[1,2]。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Arrayed waveguide gratings for astronomy with multiple offaxis fibre launch
The next generation of major ground-based optical and near-infrared astronomical telescopes are planned to have aperture sizes from 25–42 meters in diameter, making them substantially larger than existing telescopes. This has a major impact on seeing limited spectroscopic instrumentation, as the size of the instrument grows in proportion to the telescope aperture for traditional designs and more importantly, the cost of the instrument increases with the telescope aperture squared, or faster [1]. This unsustainable trend has necessitated a miniaturization of devices for astronomy, with integrated photonics showing great promise. Particularly of interest is the integrated photonic spectrograph (IPS) [1,2].
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