Optical performance of the GHOST fiber cable

被引：7

作者：

Zhelem, Ross ^{[1
]}

Churilov, Vladimir ^{[1
]}

Case, Scott ^{[1
]}

Kondrat, Yuriy ^{[1
]}

Fiegert, Kristin ^{[2
]}

Waller, Lewis ^{[1
]}

Lawrence, Jon ^{[1
]}

Farrell, Tony ^{[1
]}

Ireland, Michael ^{[2
]}

机构：

[1] Macquarie Univ, Australian Astron Opt, 105 Delhi Rd, N Ryde, NSW 2113, Australia

[2] Mt Stromlo & Siding Spring Observ, Res Sch Astron & Astrophys, Cotter Rd, Weston, ACT 2611, Australia

来源：

ADVANCES IN OPTICAL ASTRONOMICAL INSTRUMENTATION 2019 | 2020年 / 11203卷

关键词：

fiber cable; integral field unit; microlens image slicer; high-resolution spectroscopy;

D O I：

10.1117/12.2539924

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Gemini High-resolution Optical SpecTrograph (GHOST) is fed by an optical cable linking the telescope and environmentally stabilized spectrograph room. Telescope input is injected into integral field units that are translated along the focal surface by positioners. Each integral field unit serves as an image slicer partitioning the seeing limited image with the help of a hexagonal microlens array. An additional microlens array is used to inject light telecentrically into each fiber which maximizes the efficiency of the cable. Spectral measurements of the optical cable throughput are presented for the design wavelength range

引用

页数：2

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