Performance of the Dark Energy Spectroscopic Instrument (DESI) fiber system
Performance of the Dark Energy Spectroscopic Instrument (DESI) fiber system
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DOI：
10.1117/12.2562565
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发表时间：
2020-12
期刊：
影响因子：
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通讯作者：
C. Poppett;P. Jelinsky;J. Guy;J. Edelstein;S. Jelinsky;J. Aguilar;R. Sharples;J. Schmoll;D. Bramall;L. Tyas;P. Martini;K. Fanning;M. Levi;D. Brooks;P. Doel;Y. Duan;G. Tarlé;E. Gaztañaga;F. Prada;the Desi Collaboration
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文献类型：
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作者：
C. Poppett;P. Jelinsky;J. Guy;J. Edelstein;S. Jelinsky;J. Aguilar;R. Sharples;J. Schmoll;D. Bramall;L. Tyas;P. Martini;K. Fanning;M. Levi;D. Brooks;P. Doel;Y. Duan;G. Tarlé;E. Gaztañaga;F. Prada;the Desi Collaboration
最近投入使用的暗能量光谱仪（DESI）将使用重子声振荡技术测量宇宙的膨胀历史。在实验期间，将测量超过 14000 平方度的 3500 万个星系和类星体的光谱。 KPNO Mayall 望远镜的新型主焦点校正器可将光线传输至 5000 个光纤定位器。这些纤维又为十个宽带光谱仪提供信号。我们描述了 Mayall 望远镜光纤系统的开发、交付和安装的关键方面和经验教训。
The recently commissioned Dark Energy Spectroscopic Instrument (DESI) will measure the expansion history of the universe using the Baryon Acoustic Oscillation technique. The spectra of 35 million galaxies and quasars over 14000 sq deg will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope delivers light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. We describe key aspects and lessons learned from the development, delivery and installation of the fiber system at the Mayall telescope.