The image quality of the Southern African Large Telescope (SALT)

Darragh E. O'Donoghue, Eli Atad-Ettedgui, Luis Balona, Bruce C. Bigelow, John A. Booth, Lucian Botha, Janus D. Brink, David A.H. Buckley, Phil Charles, Alrin Christians, J. Christopher Clemens, Lisa A. Crause, Steven M. Crawford, Geoffrey P. Evans, Hitesh Gajjar, Yas Hashimoto, Malcolm Hendricks, Alexei Kniazev, Anthony R. Koeslag, Willie P. KoortsHerman J. Kriel, Nicola S. Loaring, Jonathan Love, Fred Marang, Douglas Metcalfe, Brennan Meyer, James O'Connor, Charl A. Du Plessis, Lawrence W. Ramsey, Encarni Romero-Colmenero, Craig Sass, Johann C. Scholtz, Ramotholo Sefako, Sandisa Siyengo, Martin Still, Ockert J. Strydom, Arkadiusz Swat, Johann F. Du Toit, Petri Vaisanen, Martyn Wells, Hannah Worters

    研究成果: 書貢獻/報告類型會議貢獻

    14 引文 斯高帕斯(Scopus)

    摘要

    Construction of the Southern African Large Telescope (SALT) was largely completed by the end of 2005 and since then it has been in intensive commissioning. This has now almost been completed except for the telescope's image quality which shows optical aberrations, chiefly a focus gradient across the focal plane, along with astigmatism and other less significant aberrations. This paper describes the optical systems engineering investigation that has been conducted since early 2006 to diagnose the problem. A rigorous approach has been followed which has entailed breaking down the system into the major sub-systems and subjecting them to testing on an individual basis. Significant progress has been achieved with many components of the optical system shown to be operating correctly. The fault has been isolated to a major optical sub-system. We present the results obtained so far, and discuss what remains to be done.

    原文英語
    主出版物標題Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation
    DOIs
    出版狀態已發佈 - 2008 十一月 21
    事件Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation - Marseille, 法国
    持續時間: 2008 六月 232008 六月 28

    出版系列

    名字Proceedings of SPIE - The International Society for Optical Engineering
    7018
    ISSN(列印)0277-786X

    其他

    其他Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation
    國家法国
    城市Marseille
    期間2008/06/232008/06/28

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

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