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Overview of the spectrometer optical fiber feed for the Habitable-zone Planet Finder

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arxiv 1808.00557 v1 pith:6V2YIEPH submitted 2018-08-01 astro-ph.IM

Overview of the spectrometer optical fiber feed for the Habitable-zone Planet Finder

Shubham Kanodia , Suvrath Mahadevan , Lawrence. W. Ramsey , Gudmundur K. Stefansson , Andrew J. Monson , Frederick R. Hearty , Scott Blakeslee , Emily Lubar
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Chad F. Bender J. P. Ninan David Sterner Arpita Roy Samuel P. Halverson Paul M. Robertson
This is my paper
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keywords fiberdiscussfibersfinderhabitable-zonehighmodeoptical
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The Habitable-zone Planet Finder (HPF) is a highly stabilized fiber fed precision radial velocity (RV) spectrograph working in the Near Infrared (NIR): 810 - 1280 nm . In this paper we present an overview of the preparation of the optical fibers for HPF. The entire fiber train from the telescope focus down to the cryostat is detailed. We also discuss the fiber polishing, splicing and its integration into the instrument using a fused silica puck. HPF was designed to be able to operate in two modes, High Resolution (HR- the only mode mode currently commissioned) and High Efficiency (HE). We discuss these fiber heads and the procedure we adopted to attach the slit on to the HR fibers.

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