7 August 2014 Commissioning the SALT fiber instrument feed
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Abstract
Lessons learnt during the design, integration and commissioning of the Southern African Large Telescope’s Fiber Instrument Feed and its guidance probe are presented along with initial on-sky performance results. Advances over the original design include enhanced target acquisition efficiency by including an imaging camera directly on the fiber-positioning stage, use of linear optical encoders on all motion stages, thermally compensated designs, a guidance probe optical design with much improved throughput as well as a new non-contact metrology process to accurately model the guider. The system has since been successfully used in commissioning the SALT High-Resolution Spectrograph.
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Janus D. Brink, Janus D. Brink, Ockert J. Strydom, Ockert J. Strydom, Darragh E. O'Donoghue, Darragh E. O'Donoghue, Eben P. Wiid, Eben P. Wiid, } "Commissioning the SALT fiber instrument feed", Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 915121 (7 August 2014); doi: 10.1117/12.2055943; https://doi.org/10.1117/12.2055943
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