The NEID precision radial velocity spectrometer: optical design of the port adapter and ADC

Creators: Schwab, Christian; Roy, Arpita

Others:: Evans, Christopher J.; Simard, Luc; Takami, Hideki

Abstract

NEID is a new extreme precision Doppler spectrometer for the WIYN telescope. It is fiber fed and employs a classical white pupil Echelle configuration. NEID has a fiber aperture of only 0.92" on sky in high-resolution mode, and its tight radial velocity error budget resulted in very stringent stability requirements for the input illumination of the spectrograph optics. Consequently, the demands on the fiber injection are challenging. In this paper, we describe the layout and optical design of the injection module, including a broadband, high image quality relay and a high-performance atmospheric dispersion corrector (ADC) across the bandwidth of 380 – 930 nm.

Additional Information

© 2018 Society of Photo-optical Instrumentation Engineers (SPIE). Sarah Logsdon is supported by an appointment to the NASA Postdoctoral Program at NASA Goddard Space Flight Center, administered by USRA through a contract with NASA. This work was performed, in part, by SPH, PMR and CS under contract with the Jet Propulsion Laboratory (JPL) funded by NASA through the Sagan Fellowship Program executed by the NASA Exoplanet Science Institute. We thank Mike Rud and Joe Appels for helpful discussions. CS acknowledges the support of an ARC DECRA fellowship, and thanks Yulia Gurevich for help with the manuscript.

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