Precision near-infrared radial velocity instrumentation II: noncircular core fiber scrambler

  title={Precision near-infrared radial velocity instrumentation II: noncircular core fiber scrambler},
  author={Peter P. Plavchan and Michael Bottom and Peter Gao and J. Kent Wallace and Bertrand Mennesson and David R. Ciardi and Samuel L. Crawford and S. Lin and Charles A. Beichman and Carolyn Brinkworth and J. Johnson and Cassy L. Davison and R. H. White and Guillem Anglada-Escud{\'e} and Kaspar von Braun and Gautum Vasisht and Lisa Prato and Stephen R. Kane and Angelle M. Tanner and Bernie Walp and Sean M. Mills},
  booktitle={Optics \& Photonics - Optical Engineering + Applications},
We have built and commissioned a prototype agitated non-circular core ber scrambler for precision spectroscopic radial velocity measurements in the near-infrared H band. We have collected the rst on-sky performance and modal noise tests of these novel bers in the near-infrared at H and K bands using the CSHELL spectrograph at the NASA InfraRed Telescope Facility (IRTF). We discuss the design behind our novel reverse injection of a red laser for co-alignment of star-light with the ber tip via a… 

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PASP 123 , 709 ( 2011 )

  • PASP