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Published December 13, 2020 | Version Published
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The NEID spectrometer: fibre injection system design

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Abstract

NEID is a high resolution echelle spectrograph designed to enable extremely precise Doppler radial velocity observations of stars in the 380-930nm wavelength range1. It has recently been installed at the 3.5m WIYN telescope at Kitt Peak National Observatory, and is currently being commissioned. The design is based on a white pupil layout with a monolithic parabolic primary mirror and a 195mm pupil size on the R4 Echelle grating. Here we describe the optical and mechanical design, assembly, and alignment of the fiber injection system which converts the native focal ratio of the sky, calibration, and science fibers to the focal ratio required to form the 195mm collimated beam.

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© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE).

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Eprint ID
107420
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CaltechAUTHORS:20210112-102626828

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Created
2021-01-12
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Updated
2021-11-16
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Series Name
Proceedings of SPIE
Series Volume or Issue Number
11447